diff options
Diffstat (limited to 'qemu/roms/seabios/src/malloc.h')
-rw-r--r-- | qemu/roms/seabios/src/malloc.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/qemu/roms/seabios/src/malloc.h b/qemu/roms/seabios/src/malloc.h new file mode 100644 index 000000000..2bcb5bf6d --- /dev/null +++ b/qemu/roms/seabios/src/malloc.h @@ -0,0 +1,71 @@ +#ifndef __MALLOC_H +#define __MALLOC_H + +#include "types.h" // u32 + +// malloc.c +extern struct zone_s ZoneLow, ZoneHigh, ZoneFSeg, ZoneTmpLow, ZoneTmpHigh; +u32 rom_get_max(void); +u32 rom_get_last(void); +struct rom_header *rom_reserve(u32 size); +int rom_confirm(u32 size); +void csm_malloc_preinit(u32 low_pmm, u32 low_pmm_size, u32 hi_pmm, + u32 hi_pmm_size); +void malloc_preinit(void); +extern u32 LegacyRamSize; +void malloc_init(void); +void malloc_prepboot(void); +void *_malloc(struct zone_s *zone, u32 size, u32 align); +int _free(void *data); +u32 malloc_getspace(struct zone_s *zone); +void malloc_sethandle(void *data, u32 handle); +void *malloc_findhandle(u32 handle); + +#define MALLOC_DEFAULT_HANDLE 0xFFFFFFFF +// Minimum alignment of malloc'd memory +#define MALLOC_MIN_ALIGN 16 +// Helper functions for memory allocation. +static inline void *malloc_low(u32 size) { + return _malloc(&ZoneLow, size, MALLOC_MIN_ALIGN); +} +static inline void *malloc_high(u32 size) { + return _malloc(&ZoneHigh, size, MALLOC_MIN_ALIGN); +} +static inline void *malloc_fseg(u32 size) { + return _malloc(&ZoneFSeg, size, MALLOC_MIN_ALIGN); +} +static inline void *malloc_tmplow(u32 size) { + return _malloc(&ZoneTmpLow, size, MALLOC_MIN_ALIGN); +} +static inline void *malloc_tmphigh(u32 size) { + return _malloc(&ZoneTmpHigh, size, MALLOC_MIN_ALIGN); +} +static inline void *malloc_tmp(u32 size) { + void *ret = malloc_tmphigh(size); + if (ret) + return ret; + return malloc_tmplow(size); +} +static inline void *memalign_low(u32 align, u32 size) { + return _malloc(&ZoneLow, size, align); +} +static inline void *memalign_high(u32 align, u32 size) { + return _malloc(&ZoneHigh, size, align); +} +static inline void *memalign_tmplow(u32 align, u32 size) { + return _malloc(&ZoneTmpLow, size, align); +} +static inline void *memalign_tmphigh(u32 align, u32 size) { + return _malloc(&ZoneTmpHigh, size, align); +} +static inline void *memalign_tmp(u32 align, u32 size) { + void *ret = memalign_tmphigh(align, size); + if (ret) + return ret; + return memalign_tmplow(align, size); +} +static inline void free(void *data) { + _free(data); +} + +#endif // malloc.h |