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lib: sbi_ecall: Remove mcause, scratch and hartid parameters

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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>
This commit is contained in:
Anup Patel
2020-03-19 21:55:12 +05:30
committed by Anup Patel
parent fe37d7da29
commit 7487116b41
9 changed files with 33 additions and 39 deletions
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5
lib/sbi/sbi_ecall.c
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@@ -79,8 +79,7 @@ void sbi_ecall_unregister_extension(struct sbi_ecall_extension *ext)
sbi_list_del_init(&ext->head);
}
int sbi_ecall_handler(u32 hartid, ulong mcause, struct sbi_trap_regs *regs,
struct sbi_scratch *scratch)
int sbi_ecall_handler(struct sbi_trap_regs *regs)
{
int ret = 0;
struct sbi_ecall_extension *ext;
@@ -100,7 +99,7 @@ int sbi_ecall_handler(u32 hartid, ulong mcause, struct sbi_trap_regs *regs,
ext = sbi_ecall_find_extension(extension_id);
if (ext && ext->handle) {
ret = ext->handle(scratch, extension_id, func_id,
ret = ext->handle(extension_id, func_id,
args, &out_val, &trap);
if (extension_id >= SBI_EXT_0_1_SET_TIMER &&
extension_id <= SBI_EXT_0_1_SHUTDOWN)