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https://github.com/projectacrn/acrn-hypervisor.git
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e40b998d21
Adding code to map memory for UOS in partitioning mode ACRN. HPA starting above 4GB is used for UOS memory. Supports only contiguous memory from host for UOS. Current implementation supports only 2 GB for UOS memory. Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <hypervisor.h>
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#if defined(CONFIG_VM0_DESC) && !defined(CONFIG_PARTITION_MODE)
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/* Number of CPUs in VM0 */
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#define VM0_NUM_CPUS 1
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/* Logical CPU IDs assigned to VM0 */
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uint16_t VM0_CPUS[VM0_NUM_CPUS] = {0U};
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struct vm_description vm0_desc = {
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.vm_hw_num_cores = VM0_NUM_CPUS,
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.vm_pcpu_ids = &VM0_CPUS[0],
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};
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#else
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struct vm_description vm0_desc;
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#endif // CONFIG_VM0_DESC
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#ifdef CONFIG_PARTITION_MODE
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#define NUM_USER_VMS 2U
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/**********************/
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/* VIRTUAL MACHINE 0 */
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/*********************/
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/* Number of CPUs in this VM*/
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#define VM1_NUM_CPUS 2U
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/* Logical CPU IDs assigned to this VM */
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int VM1_CPUS[VM1_NUM_CPUS] = {0U, 2U};
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/*********************/
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/* VIRTUAL MACHINE 1 */
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/*********************/
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/* Number of CPUs in this VM*/
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#define VM2_NUM_CPUS 2U
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/* Logical CPU IDs assigned with this VM */
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int VM2_CPUS[VM2_NUM_CPUS] = {3U, 1U};
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/*******************************/
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/* User Defined VM definitions */
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/*******************************/
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const struct vm_description_array vm_desc_mrb = {
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/* Number of user virtual machines */
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.num_vm_desc = NUM_USER_VMS,
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/* Virtual Machine descriptions */
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.vm_desc_array = {
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{
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/* Internal variable, MUSTBE init to -1 */
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.vm_hw_num_cores = VM1_NUM_CPUS,
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.vm_pcpu_ids = &VM1_CPUS[0],
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.vm_id = 1U,
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.start_hpa = 0x100000000UL,
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.mem_size = 0x80000000UL, /* uses contiguous memory from host */
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.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
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console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
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consoleblank=0 tsc=reliable"
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},
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{
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/* Internal variable, MUSTBE init to -1 */
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.vm_hw_num_cores = VM2_NUM_CPUS,
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.vm_pcpu_ids = &VM2_CPUS[0],
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.vm_id = 2U,
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.start_hpa = 0x180000000UL,
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.mem_size = 0x80000000UL, /* uses contiguous memory from host */
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.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
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console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
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consoleblank=0 tsc=reliable"
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},
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}
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};
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const struct pcpu_vm_desc_mapping pcpu_vm_desc_map[] = {
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[0],
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.is_bsp = true,
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},
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[1],
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.is_bsp = false,
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},
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[0],
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.is_bsp = false,
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},
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{
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.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[1],
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.is_bsp = true,
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},
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};
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#endif
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