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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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10
include/sbi/sbi_ecall.h
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@@ -19,16 +19,13 @@
struct sbi_trap_regs;
struct sbi_trap_info;
struct sbi_scratch;
struct sbi_ecall_extension {
struct sbi_dlist head;
unsigned long extid_start;
unsigned long extid_end;
int (* probe)(struct sbi_scratch *scratch,
unsigned long extid, unsigned long *out_val);
int (* handle)(struct sbi_scratch *scratch,
unsigned long extid, unsigned long funcid,
int (* probe)(unsigned long extid, unsigned long *out_val);
int (* handle)(unsigned long extid, unsigned long funcid,
unsigned long *args, unsigned long *out_val,
struct sbi_trap_info *out_trap);
};
@@ -51,8 +48,7 @@ int sbi_ecall_register_extension(struct sbi_ecall_extension *ext);
void sbi_ecall_unregister_extension(struct sbi_ecall_extension *ext);
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 sbi_ecall_init(void);