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| Source at commit 340 created 13 years 10 months ago. By azimutz, Ok.. as i mentioned about the "drivers" override key, this stuff is mostly based on the search algo on search_and_get_acpi_fd, acpi_patcher.c; i just added 2+2 and got 5 in return :) No need to check for ramdisk presence anymore, courtesy of Zef, rev 264. Why check the root of the ramdisk (rd) instead of /Extra? Well, rd's can be aliased as bt(0,0) or not, and the behavior is pretty diff in both situations; a "normal" rd can load "single" files and the paths to it start with rd(0,0). | |
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| 1 | /*␊ |
| 2 | * Supplemental ramdisk functions for the multiboot ramdisk driver␊ |
| 3 | * Copyright 2009 Tamas Kosarszky. All rights reserved.␊ |
| 4 | *␊ |
| 5 | */␊ |
| 6 | ␊ |
| 7 | #ifndef __BOOT_RAMDISK_H␊ |
| 8 | #define __BOOT_RAMDISK_H␊ |
| 9 | ␊ |
| 10 | #define RAMDISKCONFIG_FILENAME "rd(0,0)/RAMDisk.plist"␊ |
| 11 | //#define kPostbootRamdisk␊ |
| 12 | void md0Ramdisk();␊ |
| 13 | ␊ |
| 14 | typedef struct RAMDiskParam␊ |
| 15 | {␊ |
| 16 | ␉ppnum_t base;␊ |
| 17 | ␉unsigned int size;␊ |
| 18 | } RAMDiskParam;␊ |
| 19 | ␊ |
| 20 | /* mboot.c */␊ |
| 21 | extern struct multiboot_info *gMI;␊ |
| 22 | extern int multibootRamdiskReadBytes( int biosdev, unsigned int blkno,␊ |
| 23 | unsigned int byteoff,␊ |
| 24 | unsigned int byteCount, void * buffer );␊ |
| 25 | extern int multiboot_get_ramdisk_info(int biosdev, struct driveInfo *dip);␊ |
| 26 | //␊ |
| 27 | ␊ |
| 28 | extern BVRef gRAMDiskVolume;␊ |
| 29 | extern bool gRAMDiskBTAliased;␊ |
| 30 | ␊ |
| 31 | extern void setRAMDiskBTHook(bool mode);␊ |
| 32 | extern int mountRAMDisk(const char * param);␊ |
| 33 | extern void processRAMDiskCommand(char ** argPtr, const char * cmd);␊ |
| 34 | extern int loadPrebootRAMDisk();␊ |
| 35 | ␊ |
| 36 | #endif /* !__BOOT_RAMDISK_H */␊ |
| 37 | |
