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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
platform/kendryte/k210/platform.c
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@@ -7,9 +7,9 @@
* Damien Le Moal <damien.lemoal@wdc.com>
*/
#include <sbi/riscv_asm.h>
#include <sbi/riscv_encoding.h>
#include <sbi/sbi_const.h>
#include <sbi/sbi_hart.h>
#include <sbi/sbi_platform.h>
#include <sbi/sbi_console.h>
#include <sbi_utils/irqchip/plic.h>
@@ -55,7 +55,7 @@ static int k210_console_init(void)
static int k210_irqchip_init(bool cold_boot)
{
int rc;
u32 hartid = sbi_current_hartid();
u32 hartid = current_hartid();
if (cold_boot) {
rc = plic_cold_irqchip_init(K210_PLIC_BASE_ADDR,