diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-03-19 21:55:12 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-03-28 13:32:20 +0530 |
| commit | 7487116b41e6c06d3903b600a2231d2a68d0c4a4 (patch) | |
| tree | 1ed0174c5271e57a4554d8bdd6ffea16cbe60b2a /lib/sbi/sbi_ecall_base.c | |
| parent | fe37d7da29f67ae8ccc31f06e0f3e6c9a6b58054 (diff) | |
lib: sbi_ecall: Remove mcause, scratch and hartid parameters
We remove mcause, scratch and hartid parameters from various
functions for ecall handling because we can always get current
HART id and current scratch pointer using just one CSR access.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_ecall_base.c')
| -rw-r--r-- | lib/sbi/sbi_ecall_base.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/sbi/sbi_ecall_base.c b/lib/sbi/sbi_ecall_base.c index 6475745..1049c80 100644 --- a/lib/sbi/sbi_ecall_base.c +++ b/lib/sbi/sbi_ecall_base.c @@ -14,9 +14,7 @@ #include <sbi/sbi_version.h> #include <sbi/riscv_asm.h> -static int sbi_ecall_base_probe(struct sbi_scratch *scratch, - unsigned long extid, - unsigned long *out_val) +static int sbi_ecall_base_probe(unsigned long extid, unsigned long *out_val) { struct sbi_ecall_extension *ext; @@ -27,14 +25,13 @@ static int sbi_ecall_base_probe(struct sbi_scratch *scratch, } if (ext->probe) - return ext->probe(scratch, extid, out_val); + return ext->probe(extid, out_val); *out_val = 1; return 0; } -static int sbi_ecall_base_handler(struct sbi_scratch *scratch, - unsigned long extid, unsigned long funcid, +static int sbi_ecall_base_handler(unsigned long extid, unsigned long funcid, unsigned long *args, unsigned long *out_val, struct sbi_trap_info *out_trap) { @@ -64,7 +61,7 @@ static int sbi_ecall_base_handler(struct sbi_scratch *scratch, *out_val = csr_read(CSR_MIMPID); break; case SBI_EXT_BASE_PROBE_EXT: - ret = sbi_ecall_base_probe(scratch, args[0], out_val); + ret = sbi_ecall_base_probe(args[0], out_val); break; default: ret = SBI_ENOTSUPP; |