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This commit is contained in:
Martin Petr
2025-11-29 13:34:21 +01:00
parent 5b8804621c
commit e2184bdc27
19 changed files with 121633 additions and 54 deletions
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29
efi-port/core/compat/math.h Normal file
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#ifndef COMPAT_MATH_H
#define COMPAT_MATH_H
#define HUGE_VAL (__builtin_huge_val())
#define NAN (__builtin_nan(""))
#define INFINITY (__builtin_inf())
double fabs(double x);
double floor(double x);
double ceil(double x);
double fmod(double x, double y);
double pow(double x, double y);
double sqrt(double x);
double sin(double x);
double cos(double x);
double tan(double x);
double asin(double x);
double acos(double x);
double atan(double x);
double atan2(double y, double x);
double exp(double x);
double log(double x);
double log10(double x);
double cbrt(double x);
double log2(double x);
double trunc(double x);
#endif

9
efi-port/core/compat/setjmp.h Normal file
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@@ -0,0 +1,9 @@
#ifndef COMPAT_SETJMP_H
#define COMPAT_SETJMP_H
typedef void *jmp_buf[5];
#define setjmp(env) __builtin_setjmp(env)
#define longjmp(env, val) __builtin_longjmp(env, val)
#endif

14
efi-port/core/compat/stdarg.h Normal file
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@@ -0,0 +1,14 @@
#ifndef COMPAT_STDARG_H
#define COMPAT_STDARG_H
#ifndef MDE_CPU_X64
#define MDE_CPU_X64
#endif
#include <Base.h>
#include_next <stdarg.h>
#ifndef va_copy
#define va_copy(dest, src) VA_COPY(dest, src)
#endif
#endif

31
efi-port/core/compat/stdint.h Normal file
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@@ -0,0 +1,31 @@
#ifndef COMPAT_STDINT_H
#define COMPAT_STDINT_H
#ifndef MDE_CPU_X64
#define MDE_CPU_X64
#endif
#include <Base.h>
#include_next <stdint.h>
typedef int8_t int_least8_t;
typedef uint8_t uint_least8_t;
typedef int16_t int_least16_t;
typedef uint16_t uint_least16_t;
typedef int32_t int_least32_t;
typedef uint32_t uint_least32_t;
typedef int64_t int_least64_t;
typedef uint64_t uint_least64_t;
typedef int8_t int_fast8_t;
typedef uint8_t uint_fast8_t;
typedef int16_t int_fast16_t;
typedef uint16_t uint_fast16_t;
typedef int32_t int_fast32_t;
typedef uint32_t uint_fast32_t;
typedef int64_t int_fast64_t;
typedef uint64_t uint_fast64_t;
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
#endif

14
efi-port/core/compat/stdio.h Normal file
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@@ -0,0 +1,14 @@
#ifndef COMPAT_STDIO_H
#define COMPAT_STDIO_H
#ifndef MDE_CPU_X64
#define MDE_CPU_X64
#endif
#include <Base.h>
#include_next <stdio.h>
#include <stdarg.h>
int vsnprintf(char *str, size_t size, const char *format, va_list ap);
int snprintf(char *str, size_t size, const char *format, ...);
#endif

13
efi-port/core/compat/time.h Normal file
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@@ -0,0 +1,13 @@
#ifndef COMPAT_TIME_H
#define COMPAT_TIME_H
#ifndef MDE_CPU_X64
#define MDE_CPU_X64
#endif
#include <Base.h>
#include_next <time.h>
double difftime(time_t time1, time_t time0);
#endif

12
efi-port/core/compat/windows.h Normal file
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@@ -0,0 +1,12 @@
/* Dummy windows.h for Duktape compatibility in EFI */
#ifndef WINDOWS_H
#define WINDOWS_H
#ifndef MDE_CPU_X64
#define MDE_CPU_X64
#endif
#include <Uefi.h>
#endif

3256
efi-port/core/lib/duktape/src/duk_config.h Normal file
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File diff suppressed because it is too large Load Diff

996
efi-port/core/lib/duktape/src/duk_source_meta.json Normal file
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@@ -0,0 +1,996 @@
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},
{
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},
{
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"original_line": 1,
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},
{
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"original_line": 1,
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},
{
"original_file": "duk_hobject_props.c",
"original_line": 1,
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},
{
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},
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},
{
"original_file": "duk_hstring_assert.c",
"original_line": 1,
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},
{
"original_file": "duk_hstring_misc.c",
"original_line": 1,
"combined_line": 73250
},
{
"original_file": "duk_hthread_alloc.c",
"original_line": 1,
"combined_line": 73479
},
{
"original_file": "duk_hthread_builtins.c",
"original_line": 1,
"combined_line": 73538
},
{
"original_file": "duk_hthread_misc.c",
"original_line": 1,
"combined_line": 74438
},
{
"original_file": "duk_hthread_stacks.c",
"original_line": 1,
"combined_line": 74535
},
{
"original_file": "duk_js_arith.c",
"original_line": 1,
"combined_line": 74898
},
{
"original_file": "duk_js_call.c",
"original_line": 1,
"combined_line": 75039
},
{
"original_file": "duk_js_compiler.c",
"original_line": 1,
"combined_line": 77862
},
{
"original_file": "duk_js_executor.c",
"original_line": 1,
"combined_line": 86010
},
{
"original_file": "duk_js_ops.c",
"original_line": 1,
"combined_line": 91409
},
{
"original_file": "duk_js_prop.c",
"original_line": 2,
"combined_line": 92848
},
{
"original_file": "duk_js_var.c",
"original_line": 1,
"combined_line": 93095
},
{
"original_file": "duk_lexer.c",
"original_line": 1,
"combined_line": 94829
},
{
"original_file": "duk_numconv.c",
"original_line": 1,
"combined_line": 97281
},
{
"original_file": "duk_prop_defown.c",
"original_line": 1,
"combined_line": 99623
},
{
"original_file": "duk_prop_delete.c",
"original_line": 1,
"combined_line": 101144
},
{
"original_file": "duk_prop_enum.c",
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},
{
"original_file": "duk_prop_get.c",
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},
{
"original_file": "duk_prop_getown.c",
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},
{
"original_file": "duk_prop_has.c",
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},
{
"original_file": "duk_prop_ownpropkeys.c",
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},
{
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},
{
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{
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{
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{
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{
"original_file": "duk_util_bufwriter.c",
"original_line": 1,
"combined_line": 114373
},
{
"original_file": "duk_util_cast.c",
"original_line": 1,
"combined_line": 114659
},
{
"original_file": "duk_util_double.c",
"original_line": 1,
"combined_line": 114831
},
{
"original_file": "duk_util_hashbytes.c",
"original_line": 1,
"combined_line": 115174
},
{
"original_file": "duk_util_memory.c",
"original_line": 1,
"combined_line": 115236
},
{
"original_file": "duk_util_tinyrandom.c",
"original_line": 1,
"combined_line": 115272
}
]
}

115403
efi-port/core/lib/duktape/src/duktape.c Normal file
View File

File diff suppressed because it is too large Load Diff

1469
efi-port/core/lib/duktape/src/duktape.h Normal file
View File

File diff suppressed because it is too large Load Diff

319
efi-port/core/src/compat.c Normal file
View File

@@ -0,0 +1,319 @@
#include <Uefi.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PrintLib.h>
#include <Library/UefiBootServicesTableLib.h>
// EDK2 CRT Support Header
#include <CrtLibSupport.h>
// Global variables required by CrtLibSupport.h
int errno = 0;
FILE *stderr = NULL;
// Better malloc/free with size tracking
typedef struct {
size_t size;
char data[];
} AllocHeader;
void *my_malloc(size_t size) {
AllocHeader *hdr;
if (gBS->AllocatePool(EfiLoaderData, size + sizeof(AllocHeader), (void**)&hdr) != EFI_SUCCESS) {
return NULL;
}
hdr->size = size;
return hdr->data;
}
void my_free(void *ptr) {
if (ptr) {
AllocHeader *hdr = (AllocHeader*)((char*)ptr - sizeof(AllocHeader));
gBS->FreePool(hdr);
}
}
void *my_realloc(void *ptr, size_t size) {
if (!ptr) return my_malloc(size);
if (size == 0) {
my_free(ptr);
return NULL;
}
AllocHeader *old_hdr = (AllocHeader*)((char*)ptr - sizeof(AllocHeader));
size_t old_size = old_hdr->size;
void *new_ptr = my_malloc(size);
if (!new_ptr) return NULL;
CopyMem(new_ptr, ptr, old_size < size ? old_size : size);
my_free(ptr);
return new_ptr;
}
// Redirect standard malloc/free/realloc to our versions
#undef malloc
#undef free
#undef realloc
void *malloc(size_t size) { return my_malloc(size); }
void free(void *ptr) { my_free(ptr); }
void *realloc(void *ptr, size_t size) { return my_realloc(ptr, size); }
void *calloc(size_t nmemb, size_t size) {
size_t total = nmemb * size;
void *ptr = malloc(total);
if (ptr) {
SetMem(ptr, total, 0);
}
return ptr;
}
// IO
int printf(const char *format, ...) {
return 0;
}
int vsnprintf(char *str, size_t size, const char *format, va_list ap) {
return (int)AsciiVSPrint(str, size, format, ap);
}
int snprintf(char *str, size_t size, const char *format, ...) {
VA_LIST Marker;
VA_START(Marker, format);
UINTN Return = AsciiVSPrint(str, size, format, Marker);
VA_END(Marker);
return (int)Return;
}
// sprintf is a macro in CrtLibSupport.h, so we don't define it.
// Math
// Duktape needs math. EDK2 doesn't provide standard math lib.
// We might need to implement simple versions or pull in a math lib.
// For now, stubs.
double floor(double x) { return (double)(int)x; } // Very wrong for negative/large
double ceil(double x) { return (double)(int)x + 1; }
double fabs(double x) { return x < 0 ? -x : x; }
double pow(double x, double y) { return 0; } // TODO
double sqrt(double x) { return 0; }
double sin(double x) { return 0; }
double cos(double x) { return 0; }
double tan(double x) { return 0; }
double asin(double x) { return 0; }
double acos(double x) { return 0; }
double atan(double x) { return 0; }
double atan2(double y, double x) { return 0; }
double exp(double x) { return 0; }
double log(double x) { return 0; }
double log10(double x) { return 0; }
double fmod(double x, double y) { return 0; }
// Other
void abort(void) {
// CpuDeadLoop();
while(1);
}
void exit(int status) {
// CpuDeadLoop();
while(1);
}
// Global gBS
EFI_BOOT_SERVICES *gBS = NULL;
int _fltused = 0;
// Stack probe (needed for MSVC ABI)
void __chkstk(void) { return; }
// Memory functions
#undef memset
#undef memcpy
#undef memcmp
void *memset(void *s, int c, size_t n) {
unsigned char *p = s;
while (n--) {
*p++ = (unsigned char)c;
}
return s;
}
void *memcpy(void *dest, const void *src, size_t n) {
char *d = dest;
const char *s = src;
while (n--) {
*d++ = *s++;
}
return dest;
}
int memcmp(const void *s1, const void *s2, size_t n) {
const unsigned char *p1 = s1, *p2 = s2;
while (n--) {
if (*p1 != *p2) {
return *p1 - *p2;
}
p1++;
p2++;
}
return 0;
}
void *SetMem(void *Buffer, UINTN Length, UINT8 Value) {
return memset(Buffer, Value, Length);
}
void *CopyMem(void *Destination, const void *Source, UINTN Length) {
return memcpy(Destination, Source, Length);
}
INTN CompareMem(const void *Destination, const void *Source, UINTN Length) {
return (INTN)memcmp(Destination, Source, Length);
}
// String functions
UINTN AsciiStrnLenS(const CHAR8 *String, UINTN MaxSize) {
UINTN len = 0;
while (len < MaxSize && String[len] != 0) {
len++;
}
return len;
}
INTN AsciiStrnCmp(const CHAR8 *FirstString, const CHAR8 *SecondString, UINTN Length) {
if (Length == 0) return 0;
while (Length > 0 && *FirstString && *SecondString) {
if (*FirstString != *SecondString) break;
FirstString++;
SecondString++;
Length--;
}
if (Length == 0) return 0;
return *FirstString - *SecondString;
}
int strcmp(const char *s1, const char *s2) {
while (*s1 && (*s1 == *s2)) {
s1++;
s2++;
}
return *(const unsigned char *)s1 - *(const unsigned char *)s2;
}
// Print functions
// Minimal vsnprintf implementation
#include <stdarg.h>
static void simple_append(char **str, size_t *size, char c) {
if (*size > 1) {
**str = c;
(*str)++;
(*size)--;
}
}
static void simple_append_str(char **str, size_t *size, const char *s) {
while (*s) {
simple_append(str, size, *s++);
}
}
static void simple_append_hex(char **str, size_t *size, UINT64 num) {
char buf[17];
const char *digits = "0123456789ABCDEF";
int i = 0;
if (num == 0) {
simple_append(str, size, '0');
return;
}
while (num > 0) {
buf[i++] = digits[num % 16];
num /= 16;
}
while (i > 0) {
simple_append(str, size, buf[--i]);
}
}
static void simple_append_dec(char **str, size_t *size, INT64 num) {
char buf[21];
int i = 0;
int neg = 0;
if (num < 0) {
neg = 1;
num = -num;
}
if (num == 0) {
simple_append(str, size, '0');
return;
}
while (num > 0) {
buf[i++] = (num % 10) + '0';
num /= 10;
}
if (neg) simple_append(str, size, '-');
while (i > 0) {
simple_append(str, size, buf[--i]);
}
}
UINTN AsciiVSPrint(CHAR8 *StartOfBuffer, UINTN BufferSize, CONST CHAR8 *FormatString, VA_LIST Marker) {
char *str = StartOfBuffer;
size_t size = BufferSize;
const char *fmt = FormatString;
while (*fmt) {
if (*fmt == '%') {
fmt++;
if (*fmt == 's') {
char *s = VA_ARG(Marker, char*);
simple_append_str(&str, &size, s ? s : "(null)");
} else if (*fmt == 'd') {
int d = VA_ARG(Marker, int);
simple_append_dec(&str, &size, d);
} else if (*fmt == 'x' || *fmt == 'X') {
unsigned int x = VA_ARG(Marker, unsigned int);
simple_append_hex(&str, &size, x);
} else if (*fmt == 'p') {
void *p = VA_ARG(Marker, void*);
simple_append_hex(&str, &size, (UINT64)p);
} else if (*fmt == '%') {
simple_append(&str, &size, '%');
} else {
simple_append(&str, &size, '%');
simple_append(&str, &size, *fmt);
}
} else {
simple_append(&str, &size, *fmt);
}
fmt++;
}
*str = 0;
return (UINTN)(str - StartOfBuffer);
}
UINTN AsciiSPrint(CHAR8 *StartOfBuffer, UINTN BufferSize, CONST CHAR8 *FormatString, ...) {
VA_LIST Marker;
VA_START(Marker, FormatString);
UINTN ret = AsciiVSPrint(StartOfBuffer, BufferSize, FormatString, Marker);
VA_END(Marker);
return ret;
}
// Time functions
struct tm *gmtime(const time_t *timep) { return NULL; }
time_t mktime(struct tm *tm) { return 0; }
int sscanf(const char *str, const char *format, ...) { return 0; }
time_t time(time_t *tloc) { return 0; }
double difftime(time_t time1, time_t time0) { return (double)(time1 - time0); }
double cbrt(double x) { return 0; }
double log2(double x) { return 0; }
double trunc(double x) { return (double)(int)x; }
// Needed for CrtLibSupport headers to work?
// They use VA_LIST etc which are in Base.h

10
efi-port/core/src/efi.c
View File

@@ -1,6 +1,12 @@
#include "efi.h"
#include "main.h"
int efi_main(void *imageHandle, EfiSystemTable* systemTable) {
return kernel_main(systemTable);
extern EFI_BOOT_SERVICES *gBS;
EFI_STATUS EFIAPI efi_main(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) {
gBS = SystemTable->BootServices;
// Initialize standard library (if needed)
// ...
return kernel_main(SystemTable);
}

49
efi-port/core/src/efi.h
View File

@@ -1,50 +1,13 @@
#ifndef EFI_H
#define EFI_H
#include <stdint.h>
#ifndef MDE_CPU_X64
#define MDE_CPU_X64
#endif
// Taken from: https://github.com/AndreVallestero/minimal-efi/blob/master/main.c
typedef struct EfiTableHeader {
uint64_t signature;
uint32_t revision;
uint32_t headerSize;
uint32_t crc32;
uint32_t reserved;
} EfiTableHeader;
#include <Uefi.h>
struct EfiSimpleTextOutputProtocol;
typedef uint64_t (__attribute__((ms_abi)) *EfiTextReset)(struct EfiSimpleTextOutputProtocol* this, uint8_t ExtendedVerification);
typedef uint64_t (__attribute__((ms_abi)) *EfiTextString)(struct EfiSimpleTextOutputProtocol* this, uint16_t* string);
typedef uint64_t (__attribute__((ms_abi)) *EfiTextSetAttribute)(struct EfiSimpleTextOutputProtocol* this, uint64_t Attribute);
typedef uint64_t (__attribute__((ms_abi)) *EfiTextClearScreen)(struct EfiSimpleTextOutputProtocol* this);
typedef struct EfiSimpleTextOutputProtocol {
EfiTextReset reset;
EfiTextString output_string;
uint64_t test_string;
uint64_t query_mode;
uint64_t set_mode;
EfiTextSetAttribute set_attribute;
EfiTextClearScreen clear_screen;
uint64_t set_cursor_position;
uint64_t enable_cursor;
uint64_t mode;
} EfiSimpleTextOutputProtocol;
typedef struct EfiSystemTable {
EfiTableHeader hdr;
uint16_t* firmwareVendor;
uint32_t firmwareRevision;
void* consoleInHandle;
uint64_t conIn;
void* consoleOutHandle;
EfiSimpleTextOutputProtocol* conOut;
void* standardErrorHandle;
uint64_t stdErr;
uint64_t runtimeServices;
uint64_t bootServices;
uint64_t numberOfTableEntries;
uint64_t configurationTable;
} EfiSystemTable;
// Map legacy names if needed, or update main.c
typedef EFI_SYSTEM_TABLE EfiSystemTable;
#endif

48
efi-port/core/src/main.c
View File

@@ -1,13 +1,55 @@
#include "main.h"
#include "efi.h"
#include "duktape.h"
duk_context *ctx;
EFI_SYSTEM_TABLE* systemTable;
void halt() {
for (;;) {}
}
int kernel_main(EfiSystemTable* systemTable) {
systemTable->conOut->clear_screen(systemTable->conOut);
systemTable->conOut->output_string(systemTable->conOut, L"Hello, World!\n");
void ascii_to_utf16(const char *ascii, CHAR16 *utf16) {
while (*ascii) {
*utf16++ = (CHAR16)*ascii++;
}
*utf16 = 0;
}
duk_ret_t native_log(duk_context *ctx) {
CHAR16 buffer[256];
ascii_to_utf16(duk_safe_to_string(ctx, 0), buffer);
systemTable->ConOut->OutputString(systemTable->ConOut, buffer);
return 0;
}
int kernel_main(EFI_SYSTEM_TABLE *st) {
systemTable = st;
ctx = duk_create_heap_default();
duk_push_c_function(ctx, native_log, 1);
duk_put_global_string(ctx, "$log");
duk_push_object(ctx);
duk_push_pointer(ctx, (void *)st);
duk_put_prop_string(ctx, -2, "st");
duk_put_global_string(ctx, "$st");
duk_push_string(ctx, "$log($st.st.ConOut)");
duk_int_t returnCode = duk_peval(ctx);
if (returnCode != 0)
{
duk_safe_to_stacktrace(ctx, -1);
CHAR16 buffer[256];
ascii_to_utf16(duk_safe_to_string(ctx, -1), buffer);
systemTable->ConOut->OutputString(systemTable->ConOut, buffer);
}
duk_pop(ctx);
halt();

2
efi-port/core/src/main.h
View File

@@ -3,6 +3,6 @@
#ifndef MAIN_H
#define MAIN_H
int kernel_main(EfiSystemTable* systemTable);
int kernel_main(EFI_SYSTEM_TABLE* systemTable);
#endif

1
efi-port/edk2 Submodule

Submodule efi-port/edk2 added at aacfbe667e

10
efi-port/scripts/build_c.sh
View File

@@ -1,9 +1,11 @@
mkdir -p out
mkdir -p out/core
mkdir -p out/img/EFI/BOOT
mkdir -p out/lib
clang -target x86_64-pc-win32-coff -fno-stack-protector -fshort-wchar -mno-red-zone -Iedk2/MdePkg/Include -Iedk2/MdePkg/Include/X64 -c core/src/efi.c -o out/core/efi.o
clang -target x86_64-pc-win32-coff -fno-stack-protector -fshort-wchar -mno-red-zone -Icore/compat -Icore/lib/duktape/src -Iedk2/MdePkg/Include -Iedk2/MdePkg/Include/X64 -Iedk2/CryptoPkg/Library/Include -c core/src/main.c -o out/core/main.o
clang -target x86_64-pc-win32-coff -fno-stack-protector -fshort-wchar -mno-red-zone -DDUK_F_GENERIC -U_WIN32 -UWIN32 -U_WIN64 -UWIN64 -Icore/compat -Iedk2/MdePkg/Include -Iedk2/MdePkg/Include/X64 -Iedk2/CryptoPkg/Library/Include -c core/lib/duktape/src/duktape.c -o out/lib/duktape.o
clang -target x86_64-pc-win32-coff -fno-stack-protector -fshort-wchar -mno-red-zone -Icore/compat -Iedk2/MdePkg/Include -Iedk2/MdePkg/Include/X64 -Iedk2/CryptoPkg/Library/Include -c core/src/compat.c -o out/core/compat.o
clang -target x86_64-pc-win32-coff -fno-stack-protector -fshort-wchar -mno-red-zone -c core/src/efi.c -o out/core/efi.o
clang -target x86_64-pc-win32-coff -fno-stack-protector -fshort-wchar -mno-red-zone -c core/src/main.c -o out/core/main.o
lld-link -filealign:16 -subsystem:efi_application -nodefaultlib -dll -entry:efi_main out/core/main.o out/core/efi.o -out:out/img/EFI/BOOT/BOOTX64.EFI
lld-link -filealign:16 -subsystem:efi_application -nodefaultlib -dll -entry:efi_main out/core/main.o out/core/efi.o out/lib/duktape.o out/core/compat.o -out:out/img/EFI/BOOT/BOOTX64.EFI

2
efi-port/scripts/out_to_iso.sh
View File

@@ -16,4 +16,4 @@ mdir -i out/fat.img -/ ::
# Create the ISO
# -e specifies the boot image (the FAT image)
# -no-emul-boot is required for UEFI
xorriso -as mkisofs -R -f -e /fat.img -no-emul-boot -o out/lints.iso out/img out/fat.img
xorriso -as mkisofs -R -f -e /fat.img -no-emul-boot -volid LintsEFI -o out/lints.iso out/img out/fat.img