GitHub-Mirror/opensbi
2
0
Fork 0
mirror of https://github.com/Fishwaldo/opensbi.git synced 2025-03-15 19:31:32 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

lib: sbi: Print scratch size and usage at boot time

Browse source 
The scratch space being a scarce resource so let us print it's
size and usage at boot time.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
This commit is contained in:
Anup Patel 2023-04-20 14:02:37 +05:30 • committed by Anup Patel
parent 40d36a6673
commit 2a04f70373
3 changed files with 19 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
include/sbi/sbi_scratch.h
View file

@ -175,6 +175,9 @@ unsigned long sbi_scratch_alloc_offset(unsigned long size);
/** Free-up extra space in sbi_scratch */
void sbi_scratch_free_offset(unsigned long offset);
/** Amount (in bytes) of used space in in sbi_scratch */
unsigned long sbi_scratch_used_space(void);
/** Get pointer from offset in sbi_scratch */
#define sbi_scratch_offset_ptr(scratch, offset) (void *)((char *)(scratch) + (offset))

5
lib/sbi/sbi_init.c
View file

@ -128,6 +128,11 @@ static void sbi_boot_print_general(struct sbi_scratch *scratch)
(u32)(sbi_heap_reserved_space() / 1024),
(u32)(sbi_heap_used_space() / 1024),
(u32)(sbi_heap_free_space() / 1024));
sbi_printf("Firmware Scratch Size : "
"%d B (total), %d B (used), %d B (free)\n",
SBI_SCRATCH_SIZE,
(u32)sbi_scratch_used_space(),
(u32)(SBI_SCRATCH_SIZE - sbi_scratch_used_space()));
/* SBI details */
sbi_printf("Runtime SBI Version : %d.%d\n",

11
lib/sbi/sbi_scratch.c
View file

@ -97,3 +97,14 @@ void sbi_scratch_free_offset(unsigned long offset)
* brain-dead allocator.
*/
}
unsigned long sbi_scratch_used_space(void)
{
unsigned long ret = 0;
spin_lock(&extra_lock);
ret = extra_offset;
spin_unlock(&extra_lock);
return ret;
}