| 1 | /*␊ |
| 2 | * Copyright (c) 2010 cparm <armelcadetpetit@gmail.com>. All rights reserved.␊ |
| 3 | *␊ |
| 4 | */␊ |
| 5 | ␊ |
| 6 | #include "libsaio.h"␊ |
| 7 | #include "modules.h"␊ |
| 8 | #include "boot.h"␊ |
| 9 | #include "bootstruct.h"␊ |
| 10 | #include "pci_root.h"␊ |
| 11 | #include "acpi_codec.h"␊ |
| 12 | ␊ |
| 13 | #define kEnableAcpi␉"EnableAcpiModule"␊ |
| 14 | ␊ |
| 15 | void ACPICodec_setupEfiConfigurationTable_hook(void* arg1, void* arg2, void* arg3, void* arg4, void* arg5, void* arg6)␊ |
| 16 | {␊ |
| 17 | ␉EFI_STATUS *ret = (EFI_STATUS *)arg1;␉␊ |
| 18 | ␉ ␊ |
| 19 | ␉// Setup ACPI (mackerintel's patch)␊ |
| 20 | ␉*ret = setupAcpi();␊ |
| 21 | ␊ |
| 22 | }␊ |
| 23 | ␊ |
| 24 | void is_ACPI_Codec_Registred_Hook(void* arg1, void* arg2, void* arg3, void* arg4, void* arg5, void* arg6){}␊ |
| 25 | ␊ |
| 26 | void ACPICodec_start()␊ |
| 27 | {␉␊ |
| 28 | ␉bool enable = true;␊ |
| 29 | ␉getBoolForKey(kEnableAcpi, &enable, &bootInfo->bootConfig) ;␊ |
| 30 | ␉␊ |
| 31 | ␉/* ␊ |
| 32 | ␉ * This method is not perfect (symbols collisions between two modules with that provide the same service is still possible,␊ |
| 33 | ␉ * (as well as two module with a different service but there is more chance of collisions if dthey do the same thing)␊ |
| 34 | ␉ * even if one of them have been disabled by this method and have no hook registred), will be deprecated soon.␊ |
| 35 | ␉ *␊ |
| 36 | ␉ * Possible solutions:␊ |
| 37 | ␉ *␊ |
| 38 | ␉ * 1 - check the symbols list each time a symbols is loaded to avoid double symbol (slow, may be buggy)␊ |
| 39 | ␉ *␊ |
| 40 | ␉ * 2 - categorize all symbols by callers (hard to implement)␊ |
| 41 | ␉ *␊ |
| 42 | ␉ * 3 - ????, will work great at least for modules with the same service␊ |
| 43 | ␉ *␊ |
| 44 | ␉ * ␊ |
| 45 | ␉ *␊ |
| 46 | ␉ */␉␊ |
| 47 | enable = (execute_hook("isACPIRegistred", NULL, NULL, NULL, NULL, NULL, NULL) != EFI_SUCCESS); ␊ |
| 48 | ␊ |
| 49 | ␉if (enable) {␉␉␊ |
| 50 | ␉␉register_hook_callback("setupEfiConfigurationTable", &ACPICodec_setupEfiConfigurationTable_hook);␊ |
| 51 | register_hook_callback("isACPIRegistred", &is_ACPI_Codec_Registred_Hook);␊ |
| 52 | ␊ |
| 53 | ␉}␊ |
| 54 | } |
