35 lines
830 B
C
35 lines
830 B
C
#include <stddef.h>
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#include <efi/efi.h>
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#include "console.h"
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#define UNUSED __attribute__((unused))
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size_t wstrlen(const CHAR16 *s);
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const CHAR16 *util_error_message(EFI_STATUS status);
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#define CHECK_EFI_STATUS_OR_RETURN(s, msg, ...) \
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if (EFI_ERROR((s))) { \
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con_printf(L"ERROR: " msg L": %s\r\n", ##__VA_ARGS__, util_error_message(s)); \
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return (s); \
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}
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#define CHECK_EFI_STATUS_OR_FAIL(s) \
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if (EFI_ERROR((s))) { \
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con_status_fail(util_error_message(s)); \
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while (1) __asm__("hlt"); \
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}
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#define CHECK_EFI_STATUS_OR_ASSERT(s, d) \
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if (EFI_ERROR((s))) { \
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__asm__ __volatile__( \
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"movq %0, %%r8;" \
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"movq %1, %%r9;" \
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"movq %2, %%r10;" \
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"movq $0, %%rdx;" \
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"divq %%rdx;" \
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: \
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: "r"((uint64_t)s), "r"((uint64_t)d), "r"((uint64_t)__LINE__) \
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: "rax", "rdx", "r8", "r9", "r10"); \
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}
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