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bdinfo: Show the malloc base with the bdinfo command

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It is useful to see the base of the malloc region. This is visible when
debugging but not in normal usage.

Add it to the global data so that it can be shown.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Nikhil M Jain <n-jain1@ti.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Nikhil M Jain <n-jain1@ti.com>
This commit is contained in:
Simon Glass 2023-07-15 21:38:53 -06:00 committed by Bin Meng
parent 8f015d3781
commit 0be0f205b9
3 changed files with 18 additions and 3 deletions
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1
cmd/bdinfo.c
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@ -176,6 +176,7 @@ int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
if (IS_ENABLED(CONFIG_CMD_BDINFO_EXTRA)) {
bdinfo_print_num_ll("stack ptr", (ulong)&bd);
bdinfo_print_num_ll("ram_top ptr", (ulong)gd->ram_top);
bdinfo_print_num_l("malloc base", gd_malloc_start());
}
arch_print_bdinfo();

7
common/board_r.c
View File

@ -196,7 +196,7 @@ static int initr_barrier(void)
static int initr_malloc(void)
{
ulong malloc_start;
ulong start;
#if CONFIG_VAL(SYS_MALLOC_F_LEN)
debug("Pre-reloc malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
@ -207,8 +207,9 @@ static int initr_malloc(void)
* This value MUST match the value of gd->start_addr_sp in board_f.c:
* reserve_noncached().
*/
malloc_start = gd->relocaddr - TOTAL_MALLOC_LEN;
mem_malloc_init((ulong)map_sysmem(malloc_start, TOTAL_MALLOC_LEN),
start = gd->relocaddr - TOTAL_MALLOC_LEN;
gd_set_malloc_start(start);
mem_malloc_init((ulong)map_sysmem(start, TOTAL_MALLOC_LEN),
TOTAL_MALLOC_LEN);
return 0;
}

13
include/asm-generic/global_data.h
View File

@ -301,6 +301,12 @@ struct global_data {
* @timebase_l: low 32 bits of timer
*/
unsigned int timebase_l;
/**
* @malloc_start: start of malloc() region
*/
#if CONFIG_IS_ENABLED(CMD_BDINFO_EXTRA)
unsigned long malloc_start;
#endif
#if CONFIG_VAL(SYS_MALLOC_F_LEN)
/**
* @malloc_base: base address of early malloc()
@ -560,6 +566,13 @@ static_assert(sizeof(struct global_data) == GD_SIZE);
#define gd_event_state() NULL
#endif
#if CONFIG_IS_ENABLED(CMD_BDINFO_EXTRA)
#define gd_malloc_start() gd->malloc_start
#define gd_set_malloc_start(_val) gd->malloc_start = (_val)
#else
#define gd_malloc_start() 0
#define gd_set_malloc_start(val)
#endif
/**
* enum gd_flags - global data flags
*