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

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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
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4
lib/sbi/sbi_hsm.c
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@@ -204,7 +204,7 @@ void __noreturn sbi_hsm_exit(struct sbi_scratch *scratch)
fail_exit:
/* It should never reach here */
sbi_printf("ERR: Failed stop hart [%u]\n", sbi_current_hartid());
sbi_printf("ERR: Failed stop hart [%u]\n", current_hartid());
sbi_hart_hang();
}
@@ -256,7 +256,7 @@ int sbi_hsm_hart_start(struct sbi_scratch *scratch, u32 hartid,
int sbi_hsm_hart_stop(struct sbi_scratch *scratch, bool exitnow)
{
int oldstate;
u32 hartid = sbi_current_hartid();
u32 hartid = current_hartid();
const struct sbi_platform *plat = sbi_platform_ptr(scratch);
struct sbi_hsm_data *hdata = sbi_scratch_offset_ptr(scratch,
hart_data_offset);