blob: 4a41c4f37d30fa73a0837e57e6a7ef50b3899366 [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <efi.h>
#include <efilib.h>
#include <efistdarg.h>
#include <libavb/libavb.h>
#include "uefi_avb_util.h"
int avb_memcmp(const void* src1, const void* src2, size_t n) {
return (int)CompareMem((VOID*)src1, (VOID*)src2, (UINTN)n);
}
int avb_strcmp(const char* s1, const char* s2) {
return (int)strcmpa((CHAR8*)s1, (CHAR8*)s2);
}
void* avb_memcpy(void* dest, const void* src, size_t n) {
CopyMem(dest, (VOID*)src, (UINTN)n);
return dest;
}
void* avb_memset(void* dest, const int c, size_t n) {
SetMem(dest, (UINTN)n, (UINT8)c);
return dest;
}
void avb_print(const char* message) {
size_t utf8_num_bytes = avb_strlen(message) + 1;
size_t max_ucs2_bytes = utf8_num_bytes * 2;
uint16_t* message_ucs2 = (uint16_t*)avb_calloc(max_ucs2_bytes);
if (message_ucs2 == NULL) {
return;
}
if (uefi_avb_utf8_to_ucs2((const uint8_t*)message,
utf8_num_bytes,
message_ucs2,
max_ucs2_bytes,
NULL)) {
Print(message_ucs2);
}
avb_free(message_ucs2);
}
void avb_printv(const char* message, ...) {
va_list ap;
va_start(ap, message);
do {
avb_print(message);
message = va_arg(ap, const char*);
} while (message != NULL);
va_end(ap);
}
void avb_abort(void) {
avb_print("\nABORTING...\n");
uefi_call_wrapper(BS->Stall, 1, 5 * 1000 * 1000);
uefi_call_wrapper(BS->Exit, 4, NULL, EFI_NOT_FOUND, 0, NULL);
while (true) {
;
}
}
void* avb_malloc_(size_t size) {
EFI_STATUS err;
void* x;
err = uefi_call_wrapper(
BS->AllocatePool, 3, EfiBootServicesData, (UINTN)size, &x);
if (EFI_ERROR(err)) {
return NULL;
}
return x;
}
void avb_free(void* ptr) {
EFI_STATUS err;
err = uefi_call_wrapper(BS->FreePool, 1, ptr);
if (EFI_ERROR(err)) {
Print(L"Warning: Bad avb_free: %r\n", err);
uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
}
}
size_t avb_strlen(const char* str) {
return strlena((CHAR8*)str);
}