diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/board_f.c | 12 | ||||
| -rw-r--r-- | common/board_r.c | 4 | ||||
| -rw-r--r-- | common/dlmalloc.c | 35 |
3 files changed, 51 insertions, 0 deletions
diff --git a/common/board_f.c b/common/board_f.c index bdab38e..6b2e277 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -767,6 +767,17 @@ static int mark_bootstage(void) return 0; } +static int initf_malloc(void) +{ +#ifdef CONFIG_SYS_MALLOC_F_LEN + assert(gd->malloc_base); /* Set up by crt0.S */ + gd->malloc_limit = gd->malloc_base + CONFIG_SYS_MALLOC_F_LEN; + gd->malloc_ptr = 0; +#endif + + return 0; +} + static init_fnc_t init_sequence_f[] = { #ifdef CONFIG_SANDBOX setup_ram_buf, @@ -824,6 +835,7 @@ static init_fnc_t init_sequence_f[] = { sdram_adjust_866, init_timebase, #endif + initf_malloc, init_baud_rate, /* initialze baudrate settings */ serial_init, /* serial communications setup */ console_init_f, /* stage 1 init of console */ diff --git a/common/board_r.c b/common/board_r.c index 4479acb..2298ba5 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -259,6 +259,10 @@ static int initr_malloc(void) { ulong malloc_start; +#ifdef CONFIG_SYS_MALLOC_F_LEN + debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr, + gd->malloc_ptr / 1024); +#endif /* The malloc area is immediately below the monitor copy in DRAM */ malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN; mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN), diff --git a/common/dlmalloc.c b/common/dlmalloc.c index d1cd561..26ba8fd 100644 --- a/common/dlmalloc.c +++ b/common/dlmalloc.c @@ -930,6 +930,8 @@ struct mallinfo mALLINFo(); #endif /* 0 */ /* Moved to malloc.h */ #include <malloc.h> +#include <asm/io.h> + #ifdef DEBUG #if __STD_C static void malloc_update_mallinfo (void); @@ -2174,6 +2176,20 @@ Void_t* mALLOc(bytes) size_t bytes; INTERNAL_SIZE_T nb; +#ifdef CONFIG_SYS_MALLOC_F_LEN + if (!(gd->flags & GD_FLG_RELOC)) { + ulong new_ptr; + void *ptr; + + new_ptr = gd->malloc_ptr + bytes; + if (new_ptr > gd->malloc_limit) + panic("Out of pre-reloc memory"); + ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes); + gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr)); + return ptr; + } +#endif + /* check if mem_malloc_init() was run */ if ((mem_malloc_start == 0) && (mem_malloc_end == 0)) { /* not initialized yet */ @@ -2437,6 +2453,12 @@ void fREe(mem) Void_t* mem; mchunkptr fwd; /* misc temp for linking */ int islr; /* track whether merging with last_remainder */ +#ifdef CONFIG_SYS_MALLOC_F_LEN + /* free() is a no-op - all the memory will be freed on relocation */ + if (!(gd->flags & GD_FLG_RELOC)) + return; +#endif + if (mem == NULL) /* free(0) has no effect */ return; @@ -2588,6 +2610,13 @@ Void_t* rEALLOc(oldmem, bytes) Void_t* oldmem; size_t bytes; /* realloc of null is supposed to be same as malloc */ if (oldmem == NULL) return mALLOc(bytes); +#ifdef CONFIG_SYS_MALLOC_F_LEN + if (!(gd->flags & GD_FLG_RELOC)) { + /* This is harder to support and should not be needed */ + panic("pre-reloc realloc() is not supported"); + } +#endif + newp = oldp = mem2chunk(oldmem); newsize = oldsize = chunksize(oldp); @@ -2933,6 +2962,12 @@ Void_t* cALLOc(n, elem_size) size_t n; size_t elem_size; return NULL; else { +#ifdef CONFIG_SYS_MALLOC_F_LEN + if (!(gd->flags & GD_FLG_RELOC)) { + MALLOC_ZERO(mem, sz); + return mem; + } +#endif p = mem2chunk(mem); /* Two optional cases in which clearing not necessary */ |