diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-03-12 10:21:25 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-03-13 12:22:02 +0530 |
| commit | 823345ecaed0deb7770d9bac1c881004a6410e91 (patch) | |
| tree | e3b71fb186be4bebd610e796cc12f2d3f33424e6 /platform/andes/ae350/plicsw.c | |
| parent | 16e7071f6ddd5ba69d416b5a68e4aa191fc19d3b (diff) | |
include: Make sbi_current_hartid() as macro in riscv_asm.h
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>
Diffstat (limited to 'platform/andes/ae350/plicsw.c')
| -rw-r--r-- | platform/andes/ae350/plicsw.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/platform/andes/ae350/plicsw.c b/platform/andes/ae350/plicsw.c index 17fe947..d07df28 100644 --- a/platform/andes/ae350/plicsw.c +++ b/platform/andes/ae350/plicsw.c @@ -8,9 +8,9 @@ * Nylon Chen <nylon7@andestech.com> */ -#include <sbi/sbi_types.h> -#include <sbi/sbi_hart.h> +#include <sbi/riscv_asm.h> #include <sbi/riscv_io.h> +#include <sbi/sbi_types.h> #include "plicsw.h" #include "platform.h" @@ -19,7 +19,7 @@ static struct plicsw plicsw_dev[AE350_HART_COUNT]; static inline void plicsw_claim(void) { - u32 source_hart = sbi_current_hartid(); + u32 source_hart = current_hartid(); plicsw_dev[source_hart].source_id = readl(plicsw_dev[source_hart].plicsw_claim); @@ -27,7 +27,7 @@ static inline void plicsw_claim(void) static inline void plicsw_complete(void) { - u32 source_hart = sbi_current_hartid(); + u32 source_hart = current_hartid(); u32 source = plicsw_dev[source_hart].source_id; writel(source, plicsw_dev[source_hart].plicsw_claim); @@ -61,7 +61,7 @@ static inline void plic_sw_pending(u32 target_hart) * The bit 5 is used to send IPI to hart 2 * The bit 4 is used to send IPI to hart 3 */ - u32 source_hart = sbi_current_hartid(); + u32 source_hart = current_hartid(); u32 target_offset = (PLICSW_PENDING_PER_HART - 1) - target_hart; u32 per_hart_offset = PLICSW_PENDING_PER_HART * source_hart; u32 val = 1 << target_offset << per_hart_offset; @@ -90,7 +90,7 @@ void plicsw_ipi_clear(u32 target_hart) int plicsw_warm_ipi_init(void) { - u32 hartid = sbi_current_hartid(); + u32 hartid = current_hartid(); if (!plicsw_dev[hartid].plicsw_pending && !plicsw_dev[hartid].plicsw_enable |