mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-05-25 08:34:04 +00:00
ceb3076b69
V2->V3: Fixed the booting issue on MRB board and removed the restriction
of allocate memory from address 0
1) Fix the booting from MRB issue
-#define CONFIG_LOW_RAM_SIZE 0x000CF000
+#define CONFIG_LOW_RAM_SIZE 0x00010000
2) changed e820_alloc_low_memory() to handle corner case of unaligned e820 entries
and enable it to allocate memory at address 0
+ a length = end > start ? (end - start) : 0;
- /* We don't want the first page */
- if ((length == size) && (start == 0))
- continue;
3) changed emalloc_for_low_mem() to enable to allocate memory at address 0
- /* We don't want the first page */
- if (start == 0)
- start = EFI_PAGE_SIZE;
V1->V2: moved e820_alloc_low_memory() to guest.c and added the logic to
handle unaligned E820 entries
emalloc_for_low_mem() is used if CONFIG_EFI_STUB is defined.
e820_alloc_low_memory() is used for other cases
In either case, the allocated memory will be marked with E820_TYPE_RESERVED
Signed-off-by: Zheng, Gen <gen.zheng@intel.com>
Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Signed-off-by: Zide Chen <zide.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
155 lines
3.7 KiB
C
155 lines
3.7 KiB
C
/*
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* Copyright (c) 2011, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file contains some wrappers around the gnu-efi functions. As
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* we're not going through uefi_call_wrapper() directly, this allows
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* us to get some type-safety for function call arguments and for the
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* compiler to check that the number of function call arguments is
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* correct.
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*
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* It's also a good place to document the EFI interface.
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*/
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#ifndef __STDLIB_H__
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#define __STDLIB_H__
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extern void *malloc(UINTN size);
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extern void free(void *buf);
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extern void *calloc(UINTN nmemb, UINTN size);
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extern EFI_STATUS emalloc(UINTN, UINTN, EFI_PHYSICAL_ADDRESS *);
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extern EFI_STATUS __emalloc(UINTN, UINTN, EFI_PHYSICAL_ADDRESS *, EFI_MEMORY_TYPE);
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extern EFI_STATUS emalloc_for_low_mem(EFI_PHYSICAL_ADDRESS *addr, UINTN size);
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extern void efree(EFI_PHYSICAL_ADDRESS, UINTN);
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static inline void memset(void *dstv, char ch, UINTN size)
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{
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char *dst = dstv;
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int i;
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for (i = 0; i < size; i++)
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dst[i] = ch;
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}
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static inline void memcpy(char *dst, const char *src, UINTN size)
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{
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int i;
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for (i = 0; i < size; i++)
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*dst++ = *src++;
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}
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static inline int strlen(const char *str)
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{
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int len;
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len = 0;
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while (*str++)
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len++;
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return len;
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}
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static inline char *strstr(const char *haystack, const char *needle)
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{
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const char *p;
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const char *word = NULL;
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int len = strlen(needle);
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if (!len)
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return NULL;
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p = haystack;
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while (*p) {
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word = p;
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if (!strncmpa((CHAR8 *)p, (CHAR8 *)needle, len))
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break;
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p++;
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word = NULL;
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}
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return (char *)word;
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}
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static inline char *strdup(const char *src)
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{
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int len;
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char *dst;
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len = strlen(src);
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dst = malloc(len + 1);
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if (dst)
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memcpy(dst, src, len + 1);
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return dst;
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}
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static inline CHAR16 *strstr_16(CHAR16 *haystack, CHAR16 *needle)
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{
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CHAR16 *p;
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CHAR16 *word = NULL;
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UINTN len = StrLen(needle);
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if (!len)
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return NULL;
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p = haystack;
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while (*p) {
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if (!StrnCmp(p, needle, len)) {
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word = p;
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break;
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}
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p++;
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}
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return (CHAR16*)word;
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}
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static inline CHAR16 *ch8_2_ch16(char *str8)
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{
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UINTN len, i;
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CHAR16 *str16;
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len = strlen(str8);
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str16 = AllocatePool((len + 1) * sizeof(CHAR16));
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for (i = 0; i < len; i++)
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str16[i] = str8[i];
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str16[len] = 0;
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return str16;
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}
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#endif /* __STDLIB_H__ */
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