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