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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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12
lib/utils/sys/clint.c
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@@ -7,9 +7,9 @@
* Anup Patel <anup.patel@wdc.com>
*/
#include <sbi/riscv_io.h>
#include <sbi/riscv_asm.h>
#include <sbi/riscv_atomic.h>
#include <sbi/sbi_hart.h>
#include <sbi/riscv_io.h>
#include <sbi_utils/sys/clint.h>
static u32 clint_ipi_hart_count;
@@ -36,7 +36,7 @@ void clint_ipi_clear(u32 target_hart)
int clint_warm_ipi_init(void)
{
u32 hartid = sbi_current_hartid();
u32 hartid = current_hartid();
if (!clint_ipi_base)
return -1;
@@ -105,7 +105,7 @@ u64 clint_timer_value(void)
void clint_timer_event_stop(void)
{
u32 target_hart = sbi_current_hartid();
u32 target_hart = current_hartid();
if (clint_time_hart_count <= target_hart)
return;
@@ -116,7 +116,7 @@ void clint_timer_event_stop(void)
void clint_timer_event_start(u64 next_event)
{
u32 target_hart = sbi_current_hartid();
u32 target_hart = current_hartid();
if (clint_time_hart_count <= target_hart)
return;
@@ -127,7 +127,7 @@ void clint_timer_event_start(u64 next_event)
int clint_warm_timer_init(void)
{
u32 target_hart = sbi_current_hartid();
u32 target_hart = current_hartid();
if (clint_time_hart_count <= target_hart || !clint_time_base)
return -1;