initial import

internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085

Signed-off-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Eddie Dong
2018-03-07 20:57:14 +08:00
committed by lijinxia
parent bd31b1c53e
commit 7a3a539b17
156 changed files with 41265 additions and 0 deletions

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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/************************************************************************
*
* FILE NAME
*
* bsp_extern.h
*
* DESCRIPTION
*
* This file defines the generic BSP interface
*
************************************************************************/
#ifndef BSP_EXTERN_H
#define BSP_EXTERN_H
#define UOS_DEFAULT_START_ADDR (0x100000000)
/**********************************/
/* EXTERNAL VARIABLES */
/**********************************/
/* BSP Interfaces */
void init_bsp(void);
/* External Interfaces */
struct _vm_description_array;
const struct _vm_description_array *get_vm_desc_base(void);
#endif /* BSP_EXTERN_H */

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#include "bsp_cfg.h"
ENTRY(cpu_primary_start_32)
MEMORY
{
/* Low 1MB of memory for secondary processor start-up */
lowram : ORIGIN = CONFIG_LOW_RAM_START, LENGTH = CONFIG_LOW_RAM_SIZE
/* 32 MBytes of RAM for HV */
ram : ORIGIN = CONFIG_RAM_START, LENGTH = CONFIG_RAM_SIZE
}
SECTIONS
{
.boot :
{
_ld_ram_start = . ;
KEEP(*(multiboot_header)) ;
} > ram
.entry :
{
KEEP(*(entry)) ;
} > ram
.text :
{
*(.text .text*) ;
*(.gnu.linkonce.t*)
*(.note.gnu.build-id)
} > ram
.rodata :
{
*(.rodata*) ;
} > ram
_ld_cpu_secondary_reset_load = .;
.cpu_secondary : AT (_ld_cpu_secondary_reset_load)
{
_ld_cpu_secondary_reset_start = .;
*(.cpu_secondary_reset);
. = ALIGN(4);
_ld_cpu_secondary_reset_end = .;
} > lowram
_ld_cpu_secondary_reset_size = _ld_cpu_secondary_reset_end - _ld_cpu_secondary_reset_start;
.data (_ld_cpu_secondary_reset_load + _ld_cpu_secondary_reset_size):
{
*(.data) ;
*(.data*) ;
*(.sdata)
*(.gnu.linkonce.d*)
} > ram
.bss_noinit (NOLOAD):
{
. = ALIGN(4) ;
*(.bss_noinit) ;
*(.bss_noinit*) ;
. = ALIGN(4) ;
} > ram
.bss (NOLOAD):
{
. = ALIGN(4) ;
_ld_bss_start = . ;
*(.bss) ;
*(.bss*) ;
*(COMMON) ;
. = ALIGN(4) ;
_ld_bss_end = . ;
} > ram
.discard (NOLOAD):
{
. = ALIGN(4096) ;
_ld_cpu_data_start = .;
*(.cpu_data) ;
. = ALIGN(4096) ;
_ld_cpu_data_end = .;
} > ram
_ld_ram_size = LENGTH(ram) ;
_ld_ram_end = _ld_ram_size + _ld_ram_start ;
}

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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BSP_CFG_H
#define BSP_CFG_H
#define NR_IOAPICS 1
#define STACK_SIZE 8192
#define LOG_BUF_SIZE 0x100000
#define LOG_DESTINATION 3
#define CPU_UP_TIMEOUT 100
#define CONFIG_SERIAL_MMIO_BASE 0xfc000000
#define MALLOC_ALIGN 16
#define NUM_ALLOC_PAGES 4096
#define HEAP_SIZE 0x100000
#define CONSOLE_LOGLEVEL_DEFAULT 2
#define MEM_LOGLEVEL_DEFAULT 4
#define CONFIG_LOW_RAM_START 0x00001000
#define CONFIG_LOW_RAM_SIZE 0x000CF000
#define CONFIG_RAM_START 0x6E000000
#define CONFIG_RAM_SIZE 0x02000000 /* 32M */
#define CONFIG_RETPOLINE
#endif /* BSP_CFG_H */

94
hypervisor/bsp/sbl/sbl.c Normal file
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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <hypervisor.h>
#include <hv_lib.h>
#include <acrn_common.h>
#include <hv_arch.h>
#include <bsp_extern.h>
#include <vtd.h>
/* IOAPIC id */
#define SBL_IOAPIC_ID 8
/* IOAPIC base address */
#define SBL_IOAPIC_ADDR 0xfec00000
/* IOAPIC range size */
#define SBL_IOAPIC_SIZE 0x100000
/* Local APIC base address */
#define SBL_LAPIC_ADDR 0xfee00000
/* Local APIC range size */
#define SBL_LAPIC_SIZE 0x100000
/* Number of PCI IRQ assignments */
#define SBL_PCI_IRQ_ASSIGNMENT_NUM 28
#ifndef CONFIG_DMAR_PARSE_ENABLED
static struct dmar_dev_scope default_drhd_unit_dev_scope0[] = {
{ .bus = 0, .devfun = DEVFUN(0x2, 0), },
};
static struct dmar_drhd drhd_info_array[] = {
{
.dev_cnt = 1,
.segment = 0,
.flags = 0,
.reg_base_addr = 0xFED64000,
/* Ignore the iommu for intel graphic device since GVT-g needs
* vtd disabled for gpu
*/
.ignore = true,
.devices = default_drhd_unit_dev_scope0,
},
{
/* No need to specify devices since
* DRHD_FLAG_INCLUDE_PCI_ALL_MASK set
*/
.dev_cnt = 0,
.segment = 0,
.flags = DRHD_FLAG_INCLUDE_PCI_ALL_MASK,
.reg_base_addr = 0xFED65000,
.ignore = false,
.devices = NULL,
},
};
static struct dmar_info sbl_dmar_info = {
.drhd_count = 2,
.drhd_units = drhd_info_array,
};
struct dmar_info *get_dmar_info(void)
{
return &sbl_dmar_info;
}
#endif
void init_bsp(void)
{
}

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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <hypervisor.h>
#include <hv_lib.h>
#include <acrn_common.h>
#include <hv_arch.h>
#define NUM_USER_VMS 2
/* Number of CPUs in VM0 */
#define VM0_NUM_CPUS 1
/* Logical CPU IDs assigned to VM0 */
int VM0_CPUS[VM0_NUM_CPUS] = {0};
/* Number of CPUs in VM1 */
#define VM1_NUM_CPUS 2
/* Logical CPU IDs assigned with VM1 */
int VM1_CPUS[VM1_NUM_CPUS] = {3, 1};
const struct vm_description_array vm_desc = {
/* Number of user virtual machines */
.num_vm_desc = NUM_USER_VMS,
/* Virtual Machine descriptions */
.vm_desc_array = {
{
/* Internal variable, MUSTBE init to -1 */
.vm_attr_name = "vm_0",
.vm_hw_num_cores = VM0_NUM_CPUS,
.vm_hw_logical_core_ids = &VM0_CPUS[0],
.vm_state_info_privilege = VM_PRIVILEGE_LEVEL_HIGH,
.vm_created = false,
},
}
};
const struct vm_description_array *get_vm_desc_base(void)
{
return &vm_desc;
}

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title ACRN OS
linux /EFI/org.clearlinux/acrn.efi
options sos=bzImage pci_devices_ignore=(0:18:2) noxsave maxcpus=1 console=tty0 console=ttyS0 i915.nuclear_pageflip=1 root=/dev/sda3 rw rootwait clocksource=hpet ignore_loglevel no_timer_check consoleblank=0 i915.tsd_init=7 i915.tsd_delay=2000 i915.avail_planes_per_pipe=0x00000F i915.domain_plane_owners=0x011111110000 i915.enable_guc_loading=0 i915.enable_guc_submission=0 i915.enable_preemption=1 i915.context_priority_mode=2 i915.enable_gvt=1 hvlog=2M@0x1FE00000 cma=2560M@0x100000000-0

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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <hypervisor.h>
#include <hv_lib.h>
#include <acrn_common.h>
#include <hv_arch.h>
#include <bsp_extern.h>
#include <acrn_hv_defs.h>
#include <hv_debug.h>
#include <multiboot.h>
#define MAX_PORT 0x10000 /* port 0 - 64K */
#define DEFAULT_UART_PORT 0x3F8
#define ACRN_DBG_PARSE 6
#define MAX_CMD_LEN 64
static const char * const cmd_list[] = {
"uart=disabled", /* to disable uart */
"uart=port@", /* like uart=port@0x3F8 */
"uart=mmio@", /*like: uart=mmio@0xFC000000 */
};
enum IDX_CMD {
IDX_DISABLE_UART,
IDX_PORT_UART,
IDX_MMIO_UART,
IDX_MAX_CMD,
};
static void handle_cmd(const char *cmd, int len)
{
int i;
for (i = 0; i < IDX_MAX_CMD; i++) {
int tmp = strnlen_s(cmd_list[i], MAX_CMD_LEN);
/*cmd prefix should be same with one in cmd_list */
if (len < tmp)
continue;
if (strncmp(cmd_list[i], cmd, tmp) != 0)
continue;
if (i == IDX_DISABLE_UART) {
/* set uart disabled*/
uart16550_set_property(0, 0, 0);
} else if ((i == IDX_PORT_UART) || (i == IDX_MMIO_UART)) {
uint64_t addr = strtoul(cmd + tmp, NULL, 16);
dev_dbg(ACRN_DBG_PARSE, "uart addr=0x%llx", addr);
if (i == IDX_PORT_UART) {
if (addr > MAX_PORT)
addr = DEFAULT_UART_PORT;
uart16550_set_property(1, 1, addr);
} else {
uart16550_set_property(1, 0, addr);
}
}
}
}
int parse_hv_cmdline(void)
{
const char *start;
const char *end;
struct multiboot_info *mbi = NULL;
if (boot_regs[0] != MULTIBOOT_INFO_MAGIC) {
ASSERT(0, "no multiboot info found");
return -EINVAL;
}
mbi = (struct multiboot_info *)((uint64_t)boot_regs[1]);
dev_dbg(ACRN_DBG_PARSE, "Multiboot detected, flag=0x%x", mbi->mi_flags);
if (!(mbi->mi_flags & MULTIBOOT_INFO_HAS_CMDLINE)) {
dev_dbg(ACRN_DBG_PARSE, "no hv cmdline!");
return -EINVAL;
}
start = (char *)(uint64_t)mbi->mi_cmdline;
dev_dbg(ACRN_DBG_PARSE, "hv cmdline: %s", start);
do {
while (*start == ' ')
start++;
end = start + 1;
while (*end != ' ' && *end)
end++;
handle_cmd(start, end - start);
start = end + 1;
} while (*end && *start);
return 0;
}

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#
# Copyright (c) 2011, Intel Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
RELEASE:=0
HV_OBJDIR:=build
HV_FILE:=acrn
EFI_OBJDIR:=$(HV_OBJDIR)/bsp/uefi/efi
C_SRCS = boot.c pe.c malloc.c
ACRN_OBJS := $(patsubst %.c,$(EFI_OBJDIR)/%.o,$(C_SRCS))
OBJCOPY=objcopy
HOST = $(shell $(CC) -dumpmachine | sed "s/\(-\).*$$//")
ARCH := $(shell $(CC) -dumpmachine | sed "s/\(-\).*$$//")
ifeq ($(ARCH),x86_64)
LIBDIR := $(shell if [ -d /usr/lib64 ]; then echo /usr/lib64; \
else if [ -d /usr/lib ]; then echo /usr/lib; fi ; fi;)
FORMAT=efi-app-x86-64
else
ARCH=ia32
LIBDIR=/usr/lib32
FORMAT=efi-app-ia32
endif
INCDIR := /usr/include
# gnuefi sometimes installs these under a gnuefi/ directory, and sometimes not
CRT0 := $(LIBDIR)/crt0-efi-$(ARCH).o
LDSCRIPT := $(LIBDIR)/elf_$(ARCH)_efi.lds
CFLAGS=-I. -I.. -I$(INCDIR)/efi -I$(INCDIR)/efi/$(ARCH) \
-DEFI_FUNCTION_WRAPPER -fPIC -fshort-wchar -ffreestanding \
-Wall -I../fs/ -D$(ARCH)
ifeq ($(ARCH),ia32)
ifeq ($(HOST),x86_64)
CFLAGS += -m32
endif
endif
ifeq ($(ARCH),x86_64)
CFLAGS += -mno-red-zone
endif
LDFLAGS=-T $(LDSCRIPT) -Bsymbolic -shared -nostdlib -znocombreloc \
-L$(LIBDIR) $(CRT0)
EFIBIN=$(HV_OBJDIR)/$(HV_FILE).efi
BOOT=$(EFI_OBJDIR)/boot.efi
all: $(EFIBIN)
$(OBJCOPY) --add-section .hv="$(HV_OBJDIR)/$(HV_FILE).bin" --change-section-vma .hv=0x6e000 --set-section-flags .hv=alloc,data,contents,load --section-alignment 0x1000 $(EFI_OBJDIR)/boot.efi $(EFIBIN)
install: $(EFIBIN)
install -D $(EFIBIN) $(DESTDIR)/usr/share/$(HV_FILE).efi
$(EFIBIN): $(BOOT)
$(EFI_OBJDIR)/boot.efi: $(EFI_OBJDIR)/boot.so
$(EFI_OBJDIR)/boot.so: $(ACRN_OBJS) $(FS)
$(LD) $(LDFLAGS) -o $@ $^ -lgnuefi -lefi $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
clean:
rm -f $(BOOT) $(HV_OBJDIR)/$(HV_FILE).efi $(EFI_OBJDIR)/boot.so $(ACRN_OBJS) $(FS)
$(EFI_OBJDIR)/%.o:%.S
[ ! -e $@ ] && mkdir -p $(dir $@); \
$(CC) $(CFLAGS) -c -o $@ $<
$(EFI_OBJDIR)/%.o: %.c
[ ! -e $@ ] && mkdir -p $(dir $@); \
$(CC) $(patsubst %, -I%, $(INCLUDE_PATH)) -I. -c $(CFLAGS) $(ARCH_CFLAGS) $< -o $@
%.efi: %.so
$(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel \
-j .rela -j .reloc --target=$(FORMAT) $*.so $@

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/*
* Copyright (c) 2011, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <efi.h>
#include <efilib.h>
#include "efilinux.h"
#include "stdlib.h"
#include "boot.h"
#include "multiboot.h"
#define ERROR_STRING_LENGTH 32
#define EFI_LOADER_SIGNATURE "EL64"
#define LEAGCY_BIOS
#define ACPI_XSDT_ENTRY_SIZE (sizeof (UINT64))
#define ACPI_NAME_SIZE 4
#define ACPI_OEM_ID_SIZE 6
#define ACPI_OEM_TABLE_ID_SIZE 8
EFI_SYSTEM_TABLE *sys_table;
EFI_BOOT_SERVICES *boot;
EFI_RUNTIME_SERVICES *runtime;
/**
* memory_map - Allocate and fill out an array of memory descriptors
* @map_buf: buffer containing the memory map
* @map_size: size of the buffer containing the memory map
* @map_key: key for the current memory map
* @desc_size: size of the desc
* @desc_version: memory descriptor version
*
* On success, @map_size contains the size of the memory map pointed
* to by @map_buf and @map_key, @desc_size and @desc_version are
* updated.
*/
EFI_STATUS
memory_map(EFI_MEMORY_DESCRIPTOR **map_buf, UINTN *map_size,
UINTN *map_key, UINTN *desc_size, UINT32 *desc_version)
{
EFI_STATUS err;
*map_size = sizeof(**map_buf) * 31;
get_map:
/*
* Because we're about to allocate memory, we may
* potentially create a new memory descriptor, thereby
* increasing the size of the memory map. So increase
* the buffer size by the size of one memory
* descriptor, just in case.
*/
*map_size += sizeof(**map_buf);
err = allocate_pool(EfiLoaderData, *map_size,
(void **)map_buf);
if (err != EFI_SUCCESS) {
Print(L"Failed to allocate pool for memory map");
goto failed;
}
err = get_memory_map(map_size, *map_buf, map_key,
desc_size, desc_version);
if (err != EFI_SUCCESS) {
if (err == EFI_BUFFER_TOO_SMALL) {
/*
* 'map_size' has been updated to reflect the
* required size of a map buffer.
*/
free_pool((void *)*map_buf);
goto get_map;
}
Print(L"Failed to get memory map");
goto failed;
}
failed:
return err;
}
static inline BOOLEAN isspace(CHAR8 ch)
{
return ((unsigned char)ch <= ' ');
}
#if 0
static void print_ch(char *str)
{
int j;
CHAR16 *buf;
int len = strlen(str);
buf = malloc((strlen(str) + 1)* 2);
for (j=0; j<len; j++)
buf[j] = str[j];
buf[j] = 0;
Print(L"CHAR16::: %s\n", buf);
free(buf);
}
#endif
struct acpi_table_rsdp {
char signature[8]; /* ACPI signature, contains "RSD PTR " */
UINT8 checksum; /* ACPI 1.0 checksum */
char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */
UINT8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
UINT32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
UINT32 length; /* Table length in bytes, including header (ACPI 2.0+) */
UINT64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
UINT8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */
UINT8 reserved[3]; /* Reserved, must be zero */
};
struct acpi_table_header {
char signature[ACPI_NAME_SIZE]; /* ASCII table signature */
UINT32 length; /* Length of table in bytes, including this header */
UINT8 revision; /* ACPI Specification minor version number */
UINT8 checksum; /* To make sum of entire table == 0 */
char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
UINT32 oem_revision; /* OEM revision number */
char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */
UINT32 asl_compiler_revision; /* ASL compiler version */
};
typedef void(*hv_func)(int, struct multiboot_info*, struct efi_ctx*);
EFI_IMAGE_ENTRY_POINT get_pe_entry(CHAR8 *base);
static inline void hv_jump(EFI_PHYSICAL_ADDRESS hv_start,
struct multiboot_info* mbi, struct efi_ctx* pe)
{
hv_func hf;
asm volatile ("cli");
/* The 64-bit kernel entry is 512 bytes after the start. */
hf = (hv_func)(hv_start + 0x200);
/*
* The first parameter is a dummy because the kernel expects
* boot_params in %[re]si.
*/
hf(MULTIBOOT_INFO_MAGIC, mbi, pe);
}
EFI_STATUS get_path(CHAR16* name, EFI_LOADED_IMAGE *info, EFI_DEVICE_PATH **path)
{
unsigned int pathlen;
EFI_STATUS efi_status = EFI_SUCCESS;
CHAR16 *pathstr, *pathname;
int i;
for (i = 0; i < StrLen(name); i++) {
if (name[i] == '/')
name[i] = '\\';
}
pathstr = DevicePathToStr(info->FilePath);
for (i = 0; i < StrLen(pathstr); i++) {
if (pathstr[i] == '/')
pathstr[i] = '\\';
}
pathlen = StrLen(pathstr);
if (name[0] == '\\') {
*path = FileDevicePath(info->DeviceHandle, name);
goto out;
}
for (i=pathlen - 1; i > 0; i--) {
if (pathstr[i] == '\\') break;
}
pathstr[i] = '\0';
pathlen = StrLen(pathstr);
pathlen++;
pathname = AllocatePool((pathlen + 1 + StrLen(name))*sizeof(CHAR16));
if (!pathname) {
Print(L"Failed to allocate memory for pathname\n");
efi_status = EFI_OUT_OF_RESOURCES;
goto out;
}
StrCpy(pathname, pathstr);
StrCat(pathname, L"\\");
StrCat(pathname, name);
*path = FileDevicePath(info->DeviceHandle, pathname);
out:
FreePool(pathstr);
return efi_status;
}
/**
* load_kernel - Load a kernel image into memory from the boot device
*/
EFI_STATUS
load_sos_image(EFI_HANDLE image, CHAR16 *name, CHAR16 *cmdline)
{
UINTN map_size, _map_size, map_key;
UINT32 desc_version;
UINTN desc_size;
EFI_MEMORY_DESCRIPTOR *map_buf;
EFI_PHYSICAL_ADDRESS addr;
EFI_LOADED_IMAGE *info = NULL;
EFI_STATUS err;
struct multiboot_mmap *mmap;
struct multiboot_info *mbi;
struct acpi_table_rsdp *rsdp;
int i, j;
err = handle_protocol(image, &LoadedImageProtocol, (void **)&info);
if (err != EFI_SUCCESS)
goto out;
EFI_HANDLE bz_hd;
EFI_DEVICE_PATH *path;
EFI_LOADED_IMAGE *bz_info = NULL;
EFI_IMAGE_ENTRY_POINT pe_entry;
struct efi_ctx* pe;
err = get_path(name, info, &path);
if (err != EFI_SUCCESS) {
Print(L"fail to get bzImage.efi path");
goto out;
}
err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, image, path, NULL, 0, &bz_hd);
if (err != EFI_SUCCESS) {
Print(L"failed to load bzImage %lx\n", err);
goto out;
}
err = handle_protocol(bz_hd, &LoadedImageProtocol, (void **)&bz_info);
if (err != EFI_SUCCESS)
goto out;
if (cmdline) {
bz_info->LoadOptions = cmdline;
bz_info->LoadOptionsSize = (StrLen(cmdline) + 1) * sizeof(CHAR16);
}
pe_entry = get_pe_entry(bz_info->ImageBase);
if (pe_entry == NULL) {
Print(L"fail to get pe entry of bzImage\n");
goto out;
}
err = emalloc(sizeof(struct efi_ctx), 8, &addr);
if (err != EFI_SUCCESS)
goto out;
pe = (struct efi_ctx*)(UINTN)addr;
pe->entry = pe_entry;
pe->handle = bz_hd;
pe->table = sys_table;
/* multiboot info */
err = emalloc(16384, 8, &addr);
if (err != EFI_SUCCESS)
goto out;
mbi = (struct multiboot_info *)(UINTN)addr;
memset((void *)mbi, 0x0, sizeof(*mbi));
/* allocate mmap[] */
err = emalloc(sizeof(struct multiboot_mmap)*128, 8, &addr);
if (err != EFI_SUCCESS)
goto out;
mmap = (struct multiboot_mmap *)(UINTN)addr;
memset((void *)mmap, 0x0, sizeof(*mmap)*128);
EFI_CONFIGURATION_TABLE *config_table = sys_table->ConfigurationTable;
for (i = 0; i < sys_table->NumberOfTableEntries;i++) {
EFI_GUID acpi_20_table_guid = ACPI_20_TABLE_GUID;
EFI_GUID acpi_table_guid = ACPI_TABLE_GUID;
if (CompareGuid(&acpi_20_table_guid, &config_table->VendorGuid) == 0) {
rsdp = config_table->VendorTable;
break;
}
if (CompareGuid(&acpi_table_guid, &config_table->VendorGuid) == 0)
rsdp = config_table->VendorTable;
config_table++;
}
if (!rsdp) {
Print(L"unable to find RSDP\n");
goto out;
}
/* We're just interested in the map's size for now */
map_size = 0;
err = get_memory_map(&map_size, NULL, NULL, NULL, NULL);
if (err != EFI_SUCCESS && err != EFI_BUFFER_TOO_SMALL)
goto out;
again:
_map_size = map_size;
err = emalloc(map_size, 1, &addr);
if (err != EFI_SUCCESS)
goto out;
map_buf = (EFI_MEMORY_DESCRIPTOR *)(UINTN)addr;
/*
* Remember! We've already allocated map_buf with emalloc (and
* 'map_size' contains its size) which means that it should be
* positioned below our allocation for the kernel. Use that
* space for the memory map.
*/
err = get_memory_map(&map_size, map_buf, &map_key,
&desc_size, &desc_version);
if (err != EFI_SUCCESS) {
if (err == EFI_BUFFER_TOO_SMALL) {
/*
* Argh! The buffer that we allocated further
* up wasn't large enough which means we need
* to allocate them again, but this time
* larger. 'map_size' has been updated by the
* call to memory_map().
*/
efree((UINTN)map_buf, _map_size);
goto again;
}
goto out;
}
/*
* Convert the EFI memory map to E820.
*/
for (i = 0, j = 0; i < map_size / desc_size; i++) {
EFI_MEMORY_DESCRIPTOR *d;
unsigned int e820_type = 0;
d = (EFI_MEMORY_DESCRIPTOR *)((unsigned long)map_buf + (i * desc_size));
switch(d->Type) {
case EfiReservedMemoryType:
case EfiRuntimeServicesCode:
case EfiRuntimeServicesData:
case EfiMemoryMappedIO:
case EfiMemoryMappedIOPortSpace:
case EfiPalCode:
e820_type = E820_RESERVED;
break;
case EfiUnusableMemory:
e820_type = E820_UNUSABLE;
break;
case EfiACPIReclaimMemory:
e820_type = E820_ACPI;
break;
case EfiLoaderCode:
case EfiLoaderData:
case EfiBootServicesCode:
case EfiBootServicesData:
case EfiConventionalMemory:
e820_type = E820_RAM;
break;
case EfiACPIMemoryNVS:
e820_type = E820_NVS;
break;
default:
continue;
}
if (e820_type == E820_RAM) {
UINT64 start = d->PhysicalStart;
UINT64 end = d->PhysicalStart + (d->NumberOfPages<<EFI_PAGE_SHIFT);
if (start <= ACRN_HV_ADDR && end > (ACRN_HV_ADDR + ACRN_HV_SIZE))
Print(L"e820[%d] start=%lx len=%lx\n", i, d->PhysicalStart, d->NumberOfPages << EFI_PAGE_SHIFT);
}
if (j && mmap[j-1].mm_type == e820_type &&
(mmap[j-1].mm_base_addr + mmap[j-1].mm_length) == d->PhysicalStart) {
mmap[j-1].mm_length += d->NumberOfPages << EFI_PAGE_SHIFT;
} else {
mmap[j].mm_base_addr = d->PhysicalStart;
mmap[j].mm_length = d->NumberOfPages << EFI_PAGE_SHIFT;
mmap[j].mm_type = e820_type;
j++;
}
}
/* switch hv memory region(0x20000000 ~ 0x22000000) to availiable RAM in e820 table */
mmap[j].mm_base_addr = ACRN_HV_ADDR;
mmap[j].mm_length = ACRN_HV_SIZE;
mmap[j].mm_type = E820_RAM;
j++;
/* reserve secondary memory region(0x1000 ~ 0x10000) for hv */
err = __emalloc(ACRN_SECONDARY_SIZE, ACRN_SECONDARY_ADDR, &addr, EfiReservedMemoryType);
if (err != EFI_SUCCESS)
goto out;
mbi->mi_flags |= MULTIBOOT_INFO_HAS_MMAP | MULTIBOOT_INFO_HAS_CMDLINE;
mbi->mi_mmap_length = j*sizeof(struct multiboot_mmap);
//mbi->mi_cmdline = (UINTN)"uart=mmio@0x92230000";
//mbi->mi_cmdline = (UINTN)"uart=port@0x3F8";
mbi->mi_cmdline = (UINTN)"uart=disabled";
mbi->mi_mmap_addr = (UINTN)mmap;
#ifdef LEAGCY_BIOS
/* copy rsdt in low memory space(0~0x1000) for hypervisor parsing */
memcpy((void *)0x500, (void*)rsdp, sizeof(struct acpi_table_rsdp));
*(UINT16*)(0x40E) = 0x50;
#endif
//Print(L"start 9!\n");
asm volatile ("mov %%cr0, %0":"=r"(pe->cr0));
asm volatile ("mov %%cr3, %0":"=r"(pe->cr3));
asm volatile ("mov %%cr4, %0":"=r"(pe->cr4));
asm volatile ("sidt %0" :: "m" (pe->idt));
asm volatile ("sgdt %0" :: "m" (pe->gdt));
asm volatile ("str %0" :: "m" (pe->tr_sel));
asm volatile ("sldt %0" :: "m" (pe->ldt_sel));
asm volatile ("mov %%cs, %%ax": "=a"(pe->cs_sel));
asm volatile ("lar %%eax, %%eax"
:"=a"(pe->cs_ar)
:"a"(pe->cs_sel)
);
pe->cs_ar = (pe->cs_ar >> 8) & 0xf0ff; /* clear bits 11:8 */
asm volatile ("mov %%es, %%ax": "=a"(pe->es_sel));
asm volatile ("mov %%ss, %%ax": "=a"(pe->ss_sel));
asm volatile ("mov %%ds, %%ax": "=a"(pe->ds_sel));
asm volatile ("mov %%fs, %%ax": "=a"(pe->fs_sel));
asm volatile ("mov %%gs, %%ax": "=a"(pe->gs_sel));
uint32_t idx = 0xC0000080; /* MSR_IA32_EFER */
uint32_t msrl, msrh;
asm volatile ("rdmsr":"=a"(msrl), "=d"(msrh): "c"(idx));
pe->efer = ((uint64_t)msrh<<32) | msrl;
asm volatile ("pushf\n\t"
"pop %0\n\t"
:"=r"(pe->rflags):);
asm volatile ("movq %%rsp, %0":"=r"(pe->rsp));
hv_jump(ACRN_HV_ADDR, mbi, pe);
out:
return err;
}
static EFI_STATUS
parse_args(CHAR16 *options, UINT32 size, CHAR16 **name,
CHAR16 **hcmdline, CHAR16 **scmdline)
{
CHAR16 *n, *p, *cmdline, *search;
UINTN i = 0;
*hcmdline = NULL;
*scmdline = NULL;
*name = NULL;
cmdline = StrDuplicate(options);
search = PoolPrint(L"sos=");
n = strstr_16(cmdline, search);
if (!n) {
Print(L"Failed to get sos\n");
return EFI_OUT_OF_RESOURCES;
}
FreePool(search);
n += 4;
p = n;
i = 0;
while (*n && !isspace((CHAR8)*n)) {
n++; i++;
}
*n++ = '\0';
*name = p;
*scmdline = n;
return EFI_SUCCESS;
}
/**
* efi_main - The entry point for the OS loader image.
* @image: firmware-allocated handle that identifies the image
* @sys_table: EFI system table
*/
EFI_STATUS
efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *_table)
{
WCHAR *error_buf;
EFI_STATUS err;
EFI_LOADED_IMAGE *info;
EFI_PHYSICAL_ADDRESS addr;
CHAR16 *options = NULL, *name;
UINT32 options_size = 0;
CHAR16 *hcmdline, *scmdline;
UINTN sec_addr;
UINTN sec_size;
char *section;
InitializeLib(image, _table);
sys_table = _table;
boot = sys_table->BootServices;
runtime = sys_table->RuntimeServices;
if (CheckCrc(sys_table->Hdr.HeaderSize, &sys_table->Hdr) != TRUE)
return EFI_LOAD_ERROR;
err = handle_protocol(image, &LoadedImageProtocol, (void **)&info);
if (err != EFI_SUCCESS)
goto failed;
options = info->LoadOptions;
options_size = info->LoadOptionsSize;
err = parse_args(options, options_size, &name, &hcmdline, &scmdline);
if (err != EFI_SUCCESS)
return err;
section = ".hv";
err = get_pe_section(info->ImageBase, section, &sec_addr, &sec_size);
if (EFI_ERROR(err)) {
Print(L"Unable to locate section of ACRNHV %r ", err);
goto failed;
}
err = __emalloc(ACRN_HV_SIZE, ACRN_HV_ADDR, &addr, EfiReservedMemoryType);
if (err != EFI_SUCCESS)
goto failed;
/* Copy ACRNHV binary to fixed phys addr. LoadImage and StartImage ?? */
memcpy((char*)addr, info->ImageBase + sec_addr, sec_size);
/* load sos and run hypervisor */
err = load_sos_image(image, name, scmdline);
if (err != EFI_SUCCESS)
goto free_args;
return EFI_SUCCESS;
free_args:
free(name);
failed:
/*
* We need to be careful not to trash 'err' here. If we fail
* to allocate enough memory to hold the error string fallback
* to returning 'err'.
*/
if (allocate_pool(EfiLoaderData, ERROR_STRING_LENGTH,
(void **)&error_buf) != EFI_SUCCESS) {
Print(L"Couldn't allocate pages for error string\n");
return err;
}
StatusToString(error_buf, err);
Print(L": %s\n", error_buf);
return exit(image, err, ERROR_STRING_LENGTH, error_buf);
}

View File

@@ -0,0 +1,100 @@
/*
* Copyright (c) 2011, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ACRNBOOT_H__
#define __ACRNBOOT_H__
#define E820_RAM 1
#define E820_RESERVED 2
#define E820_ACPI 3
#define E820_NVS 4
#define E820_UNUSABLE 5
#define ACRN_HV_SIZE 0x2000000
#define ACRN_HV_ADDR 0x20000000
#define ACRN_SECONDARY_SIZE 0xf000
#define ACRN_SECONDARY_ADDR 0x8000
EFI_STATUS get_pe_section(CHAR8 *base, char *section, UINTN *vaddr, UINTN *size);
EFI_STATUS load_sos_image(EFI_HANDLE image, CHAR16 *name, CHAR16 *cmdline);
struct efi_info {
UINT32 efi_loader_signature;
UINT32 efi_systab;
UINT32 efi_memdesc_size;
UINT32 efi_memdesc_version;
UINT32 efi_memmap;
UINT32 efi_memmap_size;
UINT32 efi_systab_hi;
UINT32 efi_memmap_hi;
};
typedef struct {
UINT16 limit;
UINT64 *base;
} __attribute__((packed)) dt_addr_t;
struct e820_entry {
UINT64 addr; /* start of memory segment */
UINT64 size; /* size of memory segment */
UINT32 type; /* type of memory segment */
} __attribute__((packed));
struct efi_ctx {
EFI_IMAGE_ENTRY_POINT entry;
EFI_HANDLE handle;
EFI_SYSTEM_TABLE* table;
dt_addr_t gdt;
dt_addr_t idt;
uint16_t tr_sel;
uint16_t ldt_sel;
uint64_t cr0;
uint64_t cr3;
uint64_t cr4;
uint64_t rflags;
uint16_t cs_sel;
uint32_t cs_ar;
uint16_t es_sel;
uint16_t ss_sel;
uint16_t ds_sel;
uint16_t fs_sel;
uint16_t gs_sel;
uint64_t rsp;
uint64_t efer;
}__attribute__((packed));
#endif

View File

@@ -0,0 +1,238 @@
/*
* Copyright (c) 2011, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file contains some wrappers around the gnu-efi functions. As
* we're not going through uefi_call_wrapper() directly, this allows
* us to get some type-safety for function call arguments and for the
* compiler to check that the number of function call arguments is
* correct.
*
* It's also a good place to document the EFI interface.
*/
#ifndef __EFILINUX_H__
#define __EFILINUX_H__
#define EFILINUX_VERSION_MAJOR 1
#define EFILINUX_VERSION_MINOR 0
extern EFI_SYSTEM_TABLE *sys_table;
extern EFI_BOOT_SERVICES *boot;
extern EFI_RUNTIME_SERVICES *runtime;
/**
* allocate_pages - Allocate memory pages from the system
* @atype: type of allocation to perform
* @mtype: type of memory to allocate
* @num_pages: number of contiguous 4KB pages to allocate
* @memory: used to return the address of allocated pages
*
* Allocate @num_pages physically contiguous pages from the system
* memory and return a pointer to the base of the allocation in
* @memory if the allocation succeeds. On success, the firmware memory
* map is updated accordingly.
*
* If @atype is AllocateAddress then, on input, @memory specifies the
* address at which to attempt to allocate the memory pages.
*/
static inline EFI_STATUS
allocate_pages(EFI_ALLOCATE_TYPE atype, EFI_MEMORY_TYPE mtype,
UINTN num_pages, EFI_PHYSICAL_ADDRESS *memory)
{
return uefi_call_wrapper(boot->AllocatePages, 4, atype,
mtype, num_pages, memory);
}
/**
* free_pages - Return memory allocated by allocate_pages() to the firmware
* @memory: physical base address of the page range to be freed
* @num_pages: number of contiguous 4KB pages to free
*
* On success, the firmware memory map is updated accordingly.
*/
static inline EFI_STATUS
free_pages(EFI_PHYSICAL_ADDRESS memory, UINTN num_pages)
{
return uefi_call_wrapper(boot->FreePages, 2, memory, num_pages);
}
/**
* allocate_pool - Allocate pool memory
* @type: the type of pool to allocate
* @size: number of bytes to allocate from pool of @type
* @buffer: used to return the address of allocated memory
*
* Allocate memory from pool of @type. If the pool needs more memory
* pages are allocated from EfiConventionalMemory in order to grow the
* pool.
*
* All allocations are eight-byte aligned.
*/
static inline EFI_STATUS
allocate_pool(EFI_MEMORY_TYPE type, UINTN size, void **buffer)
{
return uefi_call_wrapper(boot->AllocatePool, 3, type, size, buffer);
}
/**
* free_pool - Return pool memory to the system
* @buffer: the buffer to free
*
* Return @buffer to the system. The returned memory is marked as
* EfiConventionalMemory.
*/
static inline EFI_STATUS free_pool(void *buffer)
{
return uefi_call_wrapper(boot->FreePool, 1, buffer);
}
/**
* get_memory_map - Return the current memory map
* @size: the size in bytes of @map
* @map: buffer to hold the current memory map
* @key: used to return the key for the current memory map
* @descr_size: used to return the size in bytes of EFI_MEMORY_DESCRIPTOR
* @descr_version: used to return the version of EFI_MEMORY_DESCRIPTOR
*
* Get a copy of the current memory map. The memory map is an array of
* EFI_MEMORY_DESCRIPTORs. An EFI_MEMORY_DESCRIPTOR describes a
* contiguous block of memory.
*
* On success, @key is updated to contain an identifer for the current
* memory map. The firmware's key is changed every time something in
* the memory map changes. @size is updated to indicate the size of
* the memory map pointed to by @map.
*
* @descr_size and @descr_version are used to ensure backwards
* compatibility with future changes made to the EFI_MEMORY_DESCRIPTOR
* structure. @descr_size MUST be used when the size of an
* EFI_MEMORY_DESCRIPTOR is used in a calculation, e.g when iterating
* over an array of EFI_MEMORY_DESCRIPTORs.
*
* On failure, and if the buffer pointed to by @map is too small to
* hold the memory map, EFI_BUFFER_TOO_SMALL is returned and @size is
* updated to reflect the size of a buffer required to hold the memory
* map.
*/
static inline EFI_STATUS
get_memory_map(UINTN *size, EFI_MEMORY_DESCRIPTOR *map, UINTN *key,
UINTN *descr_size, UINT32 *descr_version)
{
return uefi_call_wrapper(boot->GetMemoryMap, 5, size, map,
key, descr_size, descr_version);
}
/**
* exit_boot_serivces - Terminate all boot services
* @image: firmware-allocated handle that identifies the image
* @key: key to the latest memory map
*
* This function is called when efilinux wants to take complete
* control of the system. efilinux should not make calls to boot time
* services after this function is called.
*/
static inline EFI_STATUS
exit_boot_services(EFI_HANDLE image, UINTN key)
{
return uefi_call_wrapper(boot->ExitBootServices, 2, image, key);
}
/**
* handle_protocol - Query @handle to see if it supports @protocol
* @handle: the handle being queried
* @protocol: the GUID of the protocol
* @interface: used to return the protocol interface
*
* Query @handle to see if @protocol is supported. If it is supported,
* @interface contains the protocol interface.
*/
static inline EFI_STATUS
handle_protocol(EFI_HANDLE handle, EFI_GUID *protocol, void **interface)
{
return uefi_call_wrapper(boot->HandleProtocol, 3,
handle, protocol, interface);
}
/**
* exit - Terminate a loaded EFI image
* @image: firmware-allocated handle that identifies the image
* @status: the image's exit code
* @size: size in bytes of @reason. Ignored if @status is EFI_SUCCESS
* @reason: a NUL-terminated status string, optionally followed by binary data
*
* This function terminates @image and returns control to the boot
* services. This function MUST NOT be called until all loaded child
* images have exited. All memory allocated by the image must be freed
* before calling this function, apart from the buffer @reason, which
* will be freed by the firmware.
*/
static inline EFI_STATUS
exit(EFI_HANDLE image, EFI_STATUS status, UINTN size, CHAR16 *reason)
{
return uefi_call_wrapper(boot->Exit, 4, image, status, size, reason);
}
#define PAGE_SIZE 4096
static const CHAR16 *memory_types[] = {
L"EfiReservedMemoryType",
L"EfiLoaderCode",
L"EfiLoaderData",
L"EfiBootServicesCode",
L"EfiBootServicesData",
L"EfiRuntimeServicesCode",
L"EfiRuntimeServicesData",
L"EfiConventionalMemory",
L"EfiUnusableMemory",
L"EfiACPIReclaimMemory",
L"EfiACPIMemoryNVS",
L"EfiMemoryMappedIO",
L"EfiMemoryMappedIOPortSpace",
L"EfiPalCode",
};
static inline const CHAR16 *memory_type_to_str(UINT32 type)
{
if (type > sizeof(memory_types)/sizeof(CHAR16 *))
return L"Unknown";
return memory_types[type];
}
extern EFI_STATUS memory_map(EFI_MEMORY_DESCRIPTOR **map_buf,
UINTN *map_size, UINTN *map_key,
UINTN *desc_size, UINT32 *desc_version);
#endif /* __EFILINUX_H__ */

View File

@@ -0,0 +1,271 @@
/*
* Copyright (c) 2011, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <efi.h>
#include <efilib.h>
#include "efilinux.h"
#include "stdlib.h"
/**
* emalloc - Allocate memory with a strict alignment requirement
* @size: size in bytes of the requested allocation
* @align: the required alignment of the allocation
* @addr: a pointer to the allocated address on success
*
* If we cannot satisfy @align we return 0.
*/
EFI_STATUS emalloc(UINTN size, UINTN align, EFI_PHYSICAL_ADDRESS *addr)
{
UINTN map_size, map_key, desc_size;
EFI_MEMORY_DESCRIPTOR *map_buf;
UINTN d, map_end;
UINT32 desc_version;
EFI_STATUS err;
UINTN nr_pages = EFI_SIZE_TO_PAGES(size);
err = memory_map(&map_buf, &map_size, &map_key,
&desc_size, &desc_version);
if (err != EFI_SUCCESS)
goto fail;
d = (UINTN)map_buf;
map_end = (UINTN)map_buf + map_size;
for (; d < map_end; d += desc_size) {
EFI_MEMORY_DESCRIPTOR *desc;
EFI_PHYSICAL_ADDRESS start, end, aligned;
desc = (EFI_MEMORY_DESCRIPTOR *)d;
if (desc->Type != EfiConventionalMemory)
continue;
if (desc->NumberOfPages < nr_pages)
continue;
start = desc->PhysicalStart;
end = start + (desc->NumberOfPages << EFI_PAGE_SHIFT);
/* Low-memory is super-precious! */
if (end <= 1 << 20)
continue;
if (start < 1 << 20) {
size -= (1 << 20) - start;
start = (1 << 20);
}
aligned = (start + align -1) & ~(align -1);
if ((aligned + size) <= end) {
err = allocate_pages(AllocateAddress, EfiLoaderData,
nr_pages, &aligned);
if (err == EFI_SUCCESS) {
*addr = aligned;
break;
}
}
}
if (d == map_end)
err = EFI_OUT_OF_RESOURCES;
free_pool(map_buf);
fail:
return err;
}
EFI_STATUS __emalloc(UINTN size, UINTN align, EFI_PHYSICAL_ADDRESS *addr, EFI_MEMORY_TYPE mem_type)
{
UINTN map_size, map_key, desc_size;
EFI_MEMORY_DESCRIPTOR *map_buf;
UINTN d, map_end;
UINT32 desc_version;
EFI_STATUS err;
UINTN nr_pages = EFI_SIZE_TO_PAGES(size);
err = memory_map(&map_buf, &map_size, &map_key,
&desc_size, &desc_version);
if (err != EFI_SUCCESS)
goto fail;
d = (UINTN)map_buf;
map_end = (UINTN)map_buf + map_size;
for (; d < map_end; d += desc_size) {
EFI_MEMORY_DESCRIPTOR *desc;
EFI_PHYSICAL_ADDRESS start, end, aligned;
desc = (EFI_MEMORY_DESCRIPTOR *)d;
if (desc->Type != EfiConventionalMemory)
continue;
if (desc->NumberOfPages < nr_pages)
continue;
start = desc->PhysicalStart;
end = start + (desc->NumberOfPages << EFI_PAGE_SHIFT);
/* Low-memory is super-precious! */
if (end <= 1 << 20)
continue;
if (start < 1 << 20) {
size -= (1 << 20) - start;
start = (1 << 20);
}
aligned = align;//(start + align -1) & ~(align -1);
if ((aligned + size) <= end) {
//Print(L"trying to allocate memory at %0x!\n", aligned);
err = allocate_pages(AllocateAddress, mem_type,
nr_pages, &aligned);
if (err == EFI_SUCCESS) {
//Print(L"trying to allocate memory at %0x, success!\n", aligned);
*addr = aligned;
break;
} {
//Print(L"trying to allocate memory at %0x, failure!\n", aligned);
}
}
}
if (d == map_end)
err = EFI_OUT_OF_RESOURCES;
free_pool(map_buf);
fail:
return err;
}
/**
* efree - Return memory allocated with emalloc
* @memory: the address of the emalloc() allocation
* @size: the size of the allocation
*/
void efree(EFI_PHYSICAL_ADDRESS memory, UINTN size)
{
UINTN nr_pages = EFI_SIZE_TO_PAGES(size);
free_pages(memory, nr_pages);
}
/**
* malloc - Allocate memory from the EfiLoaderData pool
* @size: size in bytes of the requested allocation
*
* Return a pointer to an allocation of @size bytes of type
* EfiLoaderData.
*/
void *malloc(UINTN size)
{
EFI_STATUS err;
void *buffer;
err = allocate_pool(EfiLoaderData, size, &buffer);
if (err != EFI_SUCCESS)
buffer = NULL;
return buffer;
}
/**
* free - Release memory to the EfiLoaderData pool
* @buffer: pointer to the malloc() allocation to free
*/
void free(void *buffer)
{
if (buffer)
free_pool(buffer);
}
/**
* calloc - Allocate zeroed memory for an array of elements
* @nmemb: number of elements
* @size: size of each element
*/
void *calloc(UINTN nmemb, UINTN size)
{
void *buffer;
/*
* There's no equivalent of UINTN_MAX, so for safety we refuse to
* allocate anything larger than 32 bits.
*/
UINTN bytes = nmemb * size;
if ((nmemb | size) > 0xffffU) {
if (size && bytes / size != nmemb)
return NULL;
}
buffer = malloc(bytes);
if (buffer)
memset(buffer, 0, bytes);
return buffer;
}
EFI_STATUS dump_e820(void)
{
UINTN map_size, map_key, desc_size;
EFI_MEMORY_DESCRIPTOR *map_buf;
UINTN d, map_end;
UINTN i;
UINT32 desc_version;
EFI_STATUS err;
err = memory_map(&map_buf, &map_size, &map_key,
&desc_size, &desc_version);
if (err != EFI_SUCCESS)
goto fail;
d = (UINTN)map_buf;
map_end = (UINTN)map_buf + map_size;
for (i = 0; d < map_end; d += desc_size, i++) {
EFI_MEMORY_DESCRIPTOR *desc;
EFI_PHYSICAL_ADDRESS start, end;
desc = (EFI_MEMORY_DESCRIPTOR *)d;
if (desc->Type != EfiConventionalMemory)
continue;
start = desc->PhysicalStart;
end = start + (desc->NumberOfPages << EFI_PAGE_SHIFT);
Print(L"[%d]start:%lx, end:%lx, type:%d\n", i, start, end, desc->Type);
}
free_pool(map_buf);
fail:
return err;
}

View File

@@ -0,0 +1,186 @@
/* [ORIGIN: src/sys/arch/i386/include/... */
/* $NetBSD: multiboot.h,v 1.8 2009/02/22 18:05:42 ahoka Exp $ */
/*-
* Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Julio M. Merino Vidal.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* multiboot.h
*/
#ifndef _MULTIBOOT_H
#define _MULTIBOOT_H
#include <stdint.h>
//typedef uintptr_t uint32_t;
typedef uintptr_t vaddr_t;
struct multiboot_info;
extern struct multiboot_info mbi;
// ========================================================================
/*
* Multiboot header structure.
*/
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
#define MULTIBOOT_HEADER_MODS_ALIGNED 0x00000001
#define MULTIBOOT_HEADER_WANT_MEMORY 0x00000002
#define MULTIBOOT_HEADER_HAS_VBE 0x00000004
#define MULTIBOOT_HEADER_HAS_ADDR 0x00010000
#if !defined(_LOCORE)
struct multiboot_header {
uint32_t mh_magic;
uint32_t mh_flags;
uint32_t mh_checksum;
/* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_ADDR. */
uint32_t mh_header_addr;
uint32_t mh_load_addr;
uint32_t mh_load_end_addr;
uint32_t mh_bss_end_addr;
uint32_t mh_entry_addr;
/* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_VBE. */
uint32_t mh_mode_type;
uint32_t mh_width;
uint32_t mh_height;
uint32_t mh_depth;
};
#endif /* !defined(_LOCORE) */
/*
* Symbols defined in locore.S.
*/
extern struct multiboot_header *Multiboot_Header;
// ========================================================================
/*
* Multiboot information structure.
*/
#define MULTIBOOT_INFO_MAGIC 0x2BADB002
#define MULTIBOOT_INFO_HAS_MEMORY 0x00000001
#define MULTIBOOT_INFO_HAS_BOOT_DEVICE 0x00000002
#define MULTIBOOT_INFO_HAS_CMDLINE 0x00000004
#define MULTIBOOT_INFO_HAS_MODS 0x00000008
#define MULTIBOOT_INFO_HAS_AOUT_SYMS 0x00000010
#define MULTIBOOT_INFO_HAS_ELF_SYMS 0x00000020
#define MULTIBOOT_INFO_HAS_MMAP 0x00000040
#define MULTIBOOT_INFO_HAS_DRIVES 0x00000080
#define MULTIBOOT_INFO_HAS_CONFIG_TABLE 0x00000100
#define MULTIBOOT_INFO_HAS_LOADER_NAME 0x00000200
#define MULTIBOOT_INFO_HAS_APM_TABLE 0x00000400
#define MULTIBOOT_INFO_HAS_VBE 0x00000800
#if !defined(_LOCORE)
struct multiboot_info {
uint32_t mi_flags;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MEMORY. */
uint32_t mi_mem_lower;
uint32_t mi_mem_upper;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_BOOT_DEVICE. */
uint8_t mi_boot_device_part3;
uint8_t mi_boot_device_part2;
uint8_t mi_boot_device_part1;
uint8_t mi_boot_device_drive;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CMDLINE. */
uint32_t mi_cmdline;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MODS. */
uint32_t mi_mods_count;
uint32_t mi_mods_addr;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_{AOUT,ELF}_SYMS. */
uint32_t mi_elfshdr_num;
uint32_t mi_elfshdr_size;
uint32_t mi_elfshdr_addr;
uint32_t mi_elfshdr_shndx;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_MMAP. */
uint32_t mi_mmap_length;
uint32_t mi_mmap_addr;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_DRIVES. */
uint32_t mi_drives_length;
uint32_t mi_drives_addr;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_CONFIG_TABLE. */
uint32_t unused_mi_config_table;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_LOADER_NAME. */
uint32_t mi_loader_name;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_APM. */
uint32_t unused_mi_apm_table;
/* Valid if mi_flags sets MULTIBOOT_INFO_HAS_VBE. */
uint32_t unused_mi_vbe_control_info;
uint32_t unused_mi_vbe_mode_info;
uint32_t unused_mi_vbe_interface_seg;
uint32_t unused_mi_vbe_interface_off;
uint32_t unused_mi_vbe_interface_len;
};
/*
* Memory mapping. This describes an entry in the memory mappings table
* as pointed to by mi_mmap_addr.
*
* Be aware that mm_size specifies the size of all other fields *except*
* for mm_size. In order to jump between two different entries, you
* have to count mm_size + 4 bytes.
*/
struct __attribute__((packed)) multiboot_mmap {
uint32_t mm_size;
uint64_t mm_base_addr;
uint64_t mm_length;
uint32_t mm_type;
};
/*
* Modules. This describes an entry in the modules table as pointed
* to by mi_mods_addr.
*/
struct multiboot_module {
uint32_t mmo_start;
uint32_t mmo_end;
char * mmo_string;
uint32_t mmo_reserved;
};
#endif /* !defined(_LOCORE) */
// ========================================================================
#endif /* _MULTIBOOT_H */

View File

@@ -0,0 +1,172 @@
/*
* Copyright (c) 2011, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file contains some wrappers around the gnu-efi functions. As
* we're not going through uefi_call_wrapper() directly, this allows
* us to get some type-safety for function call arguments and for the
* compiler to check that the number of function call arguments is
* correct.
*
* It's also a good place to document the EFI interface.
*/
#include <efi.h>
#include <efilib.h>
#include "stdlib.h"
#define DOS_FILE_MAGIC_NUMBER 0x5A4D //"MZ"
struct DosFileHeader {
uint16_t mMagic;
uint16_t LastSize;
uint16_t nBlocks;
uint16_t nReloc;
uint16_t HdrSize;
uint16_t MinAlloc;
uint16_t MaxAlloc;
uint16_t ss;
uint16_t sp;
uint16_t Checksum;
uint16_t ip;
uint16_t cs;
uint16_t RelocPos;
uint16_t nOverlay;
uint16_t reserved[4];
uint16_t OEMId;
uint16_t OEMInfo;
uint16_t reserved2[10];
uint32_t ExeHeader;
} __attribute__((packed));
#define IMAGE_FILE_MACHINE_I386 0x14c
#define IMAGE_FILE_MACHINE_AMD64 0x8664
#define PE_FILE_MAGIC_NUMBER 0x00004550 //"PE\0\0"
struct PeHeader {
uint32_t mMagic;
uint16_t mMachine;
uint16_t mNumberOfSections;
uint32_t mTimeDateStamp;
uint32_t mPointerToSymbolTable;
uint32_t mNumberOfSymbols;
uint16_t mSizeOfOptionalHeader;
uint16_t mCharacteristics;
} __attribute__((packed));
struct OptionHeader {
uint16_t Format;
uint8_t MajorLinkVer;
uint8_t MinorLinkVer;
uint32_t CodeSize;
uint32_t InitializedDataSize;
uint32_t UninitializedDataSize;
uint32_t EntryPoint;
uint32_t BaseOfCode;
uint32_t BaseOfDate;
} __attribute__((packed));
struct PeSectionHeader {
char mName[8];
uint32_t mVirtualSize;
uint32_t mVirtualAddress;
uint32_t mSizeOfRawData;
uint32_t mPointerToRawData;
uint32_t mPointerToRealocations;
uint32_t mPointerToLinenumbers;
uint16_t mNumberOfRealocations;
uint16_t mNumberOfLinenumbers;
uint32_t mCharacteristics;
} __attribute__((packed));
EFI_STATUS get_pe_section(CHAR8 *base, char *section, UINTN *vaddr, UINTN *size)
{
struct PeSectionHeader *ph;
struct DosFileHeader *dh;
struct PeHeader *pe;
UINTN i;
UINTN offset;
dh = (struct DosFileHeader *)base;
if (dh->mMagic != DOS_FILE_MAGIC_NUMBER)
return EFI_LOAD_ERROR;
pe = (struct PeHeader *)&base[dh->ExeHeader];
if (pe->mMagic != PE_FILE_MAGIC_NUMBER)
return EFI_LOAD_ERROR;
if ((pe->mMachine != IMAGE_FILE_MACHINE_AMD64)
&& (pe->mMachine != IMAGE_FILE_MACHINE_I386))
return EFI_LOAD_ERROR;
offset = dh->ExeHeader + sizeof(*pe) + pe->mSizeOfOptionalHeader;
for (i = 0; i < pe->mNumberOfSections; i++) {
ph = (struct PeSectionHeader *)&base[offset];
if (CompareMem(ph->mName, section, strlen(section)) == 0) {
*vaddr = (UINTN)ph->mVirtualAddress;
*size = (UINTN)ph->mVirtualSize;
break;
}
offset += sizeof(*ph);
}
return EFI_SUCCESS;
}
EFI_IMAGE_ENTRY_POINT get_pe_entry(CHAR8 *base)
{
struct DosFileHeader* dh;
struct PeHeader* pe;
struct OptionHeader* oh;
UINTN offset;
dh = (struct DosFileHeader *)base;
if (dh->mMagic != DOS_FILE_MAGIC_NUMBER)
return NULL;
pe = (struct PeHeader *)&base[dh->ExeHeader];
if (pe->mMagic != PE_FILE_MAGIC_NUMBER)
return NULL;
if ((pe->mMachine != IMAGE_FILE_MACHINE_AMD64)
&& (pe->mMachine != IMAGE_FILE_MACHINE_I386))
return NULL;
offset = dh->ExeHeader + sizeof(*pe);
oh = (struct OptionHeader*)&base[offset];
return (EFI_IMAGE_ENTRY_POINT)((UINT64)base + oh->EntryPoint);
}

View File

@@ -0,0 +1,137 @@
/*
* Copyright (c) 2011, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file contains some wrappers around the gnu-efi functions. As
* we're not going through uefi_call_wrapper() directly, this allows
* us to get some type-safety for function call arguments and for the
* compiler to check that the number of function call arguments is
* correct.
*
* It's also a good place to document the EFI interface.
*/
#ifndef __STDLIB_H__
#define __STDLIB_H__
extern void *malloc(UINTN size);
extern void free(void *buf);
extern void *calloc(UINTN nmemb, UINTN size);
extern EFI_STATUS emalloc(UINTN, UINTN, EFI_PHYSICAL_ADDRESS *);
extern EFI_STATUS __emalloc(UINTN, UINTN, EFI_PHYSICAL_ADDRESS *, EFI_MEMORY_TYPE);
extern void efree(EFI_PHYSICAL_ADDRESS, UINTN);
static inline void memset(void *dstv, char ch, UINTN size)
{
char *dst = dstv;
int i;
for (i = 0; i < size; i++)
dst[i] = ch;
}
static inline void memcpy(char *dst, const char *src, UINTN size)
{
int i;
for (i = 0; i < size; i++)
*dst++ = *src++;
}
static inline int strlen(const char *str)
{
int len;
len = 0;
while (*str++)
len++;
return len;
}
static inline char *strstr(const char *haystack, const char *needle)
{
const char *p;
const char *word = NULL;
int len = strlen(needle);
if (!len)
return NULL;
p = haystack;
while (*p) {
word = p;
if (!strncmpa((CHAR8 *)p, (CHAR8 *)needle, len))
break;
p++;
word = NULL;
}
return (char *)word;
}
static inline char *strdup(const char *src)
{
int len;
char *dst;
len = strlen(src);
dst = malloc(len + 1);
if (dst)
memcpy(dst, src, len + 1);
return dst;
}
static inline CHAR16 *strstr_16(CHAR16 *haystack, CHAR16 *needle)
{
CHAR16 *p;
CHAR16 *word = NULL;
UINTN len = StrLen(needle);
if (!len)
return NULL;
p = haystack;
while (*p) {
if (!StrnCmp(p, needle, len)) {
word = p;
break;
}
p++;
}
return (CHAR16*)word;
}
#endif /* __STDLIB_H__ */

View File

@@ -0,0 +1,52 @@
/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BSP_CFG_H
#define BSP_CFG_H
#define NR_IOAPICS 1
#define STACK_SIZE 8192
#define LOG_BUF_SIZE 0x100000
#define LOG_DESTINATION 3
#define CPU_UP_TIMEOUT 100
#define CONFIG_SERIAL_PIO_BASE 0x3f8
#define MALLOC_ALIGN 16
#define NUM_ALLOC_PAGES 4096
#define HEAP_SIZE 0x100000
#define CONSOLE_LOGLEVEL_DEFAULT 2
#define MEM_LOGLEVEL_DEFAULT 4
#define CONFIG_LOW_RAM_START 0x00008000
#define CONFIG_LOW_RAM_SIZE 0x000CF000
#define CONFIG_RAM_START 0x20000000
#define CONFIG_RAM_SIZE 0x02000000 /* 32M */
#define CONFIG_DMAR_PARSE_ENABLED 1
#define CONFIG_GPU_SBDF 0x00000010 /* 0000:00:02.0 */
#define CONFIG_EFI_STUB 1
#define CONFIG_RETPOLINE
#endif /* BSP_CFG_H */

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hypervisor/bsp/uefi/uefi.c Normal file
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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <hypervisor.h>
#include <hv_lib.h>
#include <acrn_common.h>
#include <hv_arch.h>
#include <bsp_extern.h>
#include <multiboot.h>
#ifdef CONFIG_EFI_STUB
#include <acrn_efi.h>
#endif
#include <hv_debug.h>
/* IOAPIC id */
#define UEFI_IOAPIC_ID 8
/* IOAPIC base address */
#define UEFI_IOAPIC_ADDR 0xfec00000
/* IOAPIC range size */
#define UEFI_IOAPIC_SIZE 0x100000
/* Local APIC base address */
#define UEFI_LAPIC_ADDR 0xfee00000
/* Local APIC range size */
#define UEFI_LAPIC_SIZE 0x100000
/* Number of PCI IRQ assignments */
#define UEFI_PCI_IRQ_ASSIGNMENT_NUM 28
#ifdef CONFIG_EFI_STUB
uint32_t efi_physical_available_ap_bitmap = 0;
uint32_t efi_wake_up_ap_bitmap = 0;
struct efi_ctx* efi_ctx = NULL;
int efi_launch_vector;
extern uint32_t up_count;
extern unsigned long pcpu_sync;
bool in_efi_boot_svc(void)
{
return (efi_wake_up_ap_bitmap != efi_physical_available_ap_bitmap);
}
int efi_spurious_handler(int vector)
{
struct vcpu* vcpu;
if (get_cpu_id() != 0)
return 0;
vcpu = per_cpu(vcpu, 0);
if (vcpu && vcpu->launched) {
int ret = vlapic_set_intr(vcpu, vector, 0);
if (ret && in_efi_boot_svc())
exec_vmwrite(VMX_ENTRY_INT_INFO_FIELD,
VMX_INT_INFO_VALID | vector);
} else
efi_launch_vector = vector;
return 1;
}
int sipi_from_efi_boot_service_exit(uint32_t dest, uint32_t mode, uint32_t vec)
{
if (efi_wake_up_ap_bitmap != efi_physical_available_ap_bitmap) {
if (mode == APIC_DELMODE_STARTUP) {
uint32_t cpu_id = cpu_find_logical_id(dest);
send_startup_ipi(INTR_CPU_STARTUP_USE_DEST,
cpu_id, (paddr_t)(vec<<12));
efi_wake_up_ap_bitmap |= 1 << dest;
}
return 1;
}
return 0;
}
void efi_deferred_wakeup_pcpu(int cpu_id)
{
uint32_t timeout;
uint32_t expected_up;
expected_up = up_count + 1;
send_startup_ipi(INTR_CPU_STARTUP_USE_DEST,
cpu_id, (paddr_t)cpu_secondary_reset);
timeout = CPU_UP_TIMEOUT * 1000;
while ((up_count != expected_up)) {
/* Delay 10us */
udelay(10);
/* Decrement timeout value */
timeout -= 10;
}
bitmap_set(0, &pcpu_sync);
}
int uefi_sw_loader(struct vm *vm, struct vcpu *vcpu)
{
int ret = 0;
struct run_context *cur_context =
&vcpu->arch_vcpu.contexts[vcpu->arch_vcpu.cur_context];
ASSERT(vm != NULL, "Incorrect argument");
pr_dbg("Loading guest to run-time location");
if (!is_vm0(vm))
return load_guest(vm, vcpu);
vcpu->entry_addr = efi_ctx->entry;
cur_context->guest_cpu_regs.regs.rcx = efi_ctx->handle;
cur_context->guest_cpu_regs.regs.rdx = efi_ctx->table;
return ret;
}
#endif
void init_bsp(void)
{
parse_hv_cmdline();
#ifdef CONFIG_EFI_STUB
efi_ctx = (struct efi_ctx*)(uint64_t)boot_regs[2];
ASSERT(efi_ctx != NULL, "");
vm_sw_loader = uefi_sw_loader;
spurious_handler = efi_spurious_handler;
efi_launch_vector = -1;
#endif
}

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/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <hypervisor.h>
#include <hv_lib.h>
#include <acrn_common.h>
#include <hv_arch.h>
#define NUM_USER_VMS 2
/* Number of CPUs in VM0 */
#define VM0_NUM_CPUS 1
/* Logical CPU IDs assigned to VM0 */
int VM0_CPUS[VM0_NUM_CPUS] = {0};
/* Number of CPUs in VM1 */
#define VM1_NUM_CPUS 2
/* Logical CPU IDs assigned with VM1 */
int VM1_CPUS[VM1_NUM_CPUS] = {3, 1};
const struct vm_description_array vm_desc = {
/* Number of user virtual machines */
.num_vm_desc = NUM_USER_VMS,
/* Virtual Machine descriptions */
.vm_desc_array = {
{
.vm_attr_name = "vm_0",
.vm_hw_num_cores = VM0_NUM_CPUS,
.vm_hw_logical_core_ids = &VM0_CPUS[0],
.vm_state_info_privilege = VM_PRIVILEGE_LEVEL_HIGH,
.vm_created = false,
},
}
};
const struct vm_description_array *get_vm_desc_base(void)
{
return &vm_desc;
}