blob: ce17f4f34995d44705cb444daa9a81fb4ab557cb [file] [log] [blame]
#ifndef __MALLOC_H
#define __MALLOC_H
#include "autoconf.h" // CONFIG_*
#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 malloc_csm_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);
unsigned long malloc_palloc(struct zone_s *zone, u32 size, u32 align);
void *parisc_malloc(u32 size, u32 align);
void *arch_malloc(unsigned long size, unsigned long align);
void *x86_malloc(struct zone_s *zone, u32 size, u32 align);
#define _malloc(zone, size, align) \
(CONFIG_X86 ? x86_malloc(zone, size, align) : CONFIG_PARISC ? parisc_malloc(size, align) : arch_malloc(size, align))
int malloc_pfree(u32 data);
void free(void *data);
u32 malloc_getspace(struct zone_s *zone);
void malloc_sethandle(u32 data, u32 handle);
u32 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);
}
#endif // malloc.h