| #include "libsaio.h"␊ |
| #include "zlib.h"␊ |
| #include "kext_patcher.h"␊ |
| #include "boot.h"␊ |
| #include "bootstruct.h"␊ |
| #include "pci.h"␊ |
| #include "drivers.h"␊ |
| #include "mkext.h"␊ |
|
| #include "hex_editor.h"␊ |
| ␊ |
| ␊ |
| #define kHDACodec␉␉␉␉"HDACodec"␉␉␉␉/* acpi_patcher.c */␊ |
| ␊ |
| ␊ |
| #ifndef DEBUG_KEXT_PATCHER␊ |
| #define DEBUG_KEXT_PATCHER 0␊ |
| #endif␊ |
|
| bool patch_hda_kext(TagPtr plist, char* plistbuffer, void* start);␊ |
| bool patch_hda_controller(TagPtr plist, char* plistbuffer, void* start);␊ |
| ␊ |
| int chartohex(char c);␊ |
| ␊ |
| static void * z_alloc(void *, u_int items, u_int size);␊ |
| static void z_free(void *, void *ptr);␊ |
| ␊ |
|
| // TODO: add detection code / a method for users to enter the id␊ |
| uint16_t patch_hda_codec = 0;␊ |
| ␊ |
| #define NEEDS_PATCHING␉␉(patch_bcm_deviceid || patch_gma_deviceid | patch_hda_codec)␊ |
| #define NEEDS_PATCHING␉␉(patch_bcm_deviceid || patch_gma_deviceid || patch_hda_codec)␊ |
| ␊ |
| typedef struct z_mem {␊ |
| uint32_t alloc_size;␊ |
|
| ␊ |
| void mkext_loaded(void* filespec, void* packagetmp, void* lengthtmp, void* arg3)␊ |
| {␊ |
| ␉const char* hda_codec;␊ |
| ␉int len = 0;␊ |
| ␉␊ |
| ␉if (getValueForKey(kHDACodec, &hda_codec, &len, &bootInfo->bootConfig))␊ |
| ␉{␊ |
| ␉␉int index = 0;␊ |
| ␉␉while(len)␊ |
| ␉␉{␊ |
| ␉␉␉patch_hda_codec <<= 4;␊ |
| ␉␉␉patch_hda_codec |= chartohex(hda_codec[index]);␊ |
| ␉␉␉␉␉␉␉␉␉␉ ␊ |
| ␉␉␉len--;␊ |
| ␉␉␉index++;␊ |
| ␉␉}␊ |
| ␉}␊ |
| ␉␉␊ |
| ␉if(!NEEDS_PATCHING) return;␉// No need to apply a patch, hardware doesn't need it␊ |
| ␉␊ |
| ␉int version = 0;␊ |
|
| ␉free(executable);␊ |
| ␉␊ |
| ␉return true;␉␊ |
| }␊ |
| ␊ |
| int chartohex(char c)␊ |
| {␊ |
| ␉if(c <= '9' && c >= '0')␊ |
| ␉{␊ |
| ␉␉return c - '0';␉// c is between 0 and 9␊ |
| ␉}␊ |
| ␉else if(c <= 'F' && c >= 'A')␊ |
| ␉{␊ |
| ␉␉return c - 'A' + 10; // c = 10 - 15;␊ |
| ␉}␊ |
| ␉else if(c <= 'f' && c >= 'a')␊ |
| ␉{␊ |
| ␉␉return c - 'a' + 10; // c = 10 - 15;␊ |
| ␉}␊ |
| ␉return 0;␊ |
| } |
