Firmware/opensbi
8
0
Fork 0
forked from Mirrors/opensbi
Code Pull Requests Activity

include: Make sbi_current_hartid() as macro in riscv_asm.h

Browse Source 
The sbi_current_hartid() being a regular function is quite
expensive because for callers it is a function call instead
of a direct CSR read. This patch converts sbi_current_hartid()
into a macro in riscv_asm.h.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-03-12 10:21:25 +05:30
committed by Anup Patel
parent 16e7071f6d
commit 823345ecae
20 changed files with 49 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/sbi/sbi_init.c
View File

@@ -273,7 +273,7 @@ static atomic_t coldboot_lottery = ATOMIC_INITIALIZER(0);
void __noreturn sbi_init(struct sbi_scratch *scratch)
{
bool coldboot = FALSE;
u32 hartid = sbi_current_hartid();
u32 hartid = current_hartid();
const struct sbi_platform *plat = sbi_platform_ptr(scratch);
if ((SBI_HARTMASK_MAX_BITS <= hartid) ||
@@ -316,7 +316,7 @@ unsigned long sbi_init_count(u32 hartid)
*/
void __noreturn sbi_exit(struct sbi_scratch *scratch)
{
u32 hartid = sbi_current_hartid();
u32 hartid = current_hartid();
const struct sbi_platform *plat = sbi_platform_ptr(scratch);
if (sbi_platform_hart_disabled(plat, hartid))