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lib: sbi_emulate_csr: Remove scratch and hartid parameter

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We remove scratch and hartid parameter from various functions
for CSR emulation 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 19:46:00 +05:30
committed by Anup Patel
parent cb78a48231
commit d11c79cd97
3 changed files with 15 additions and 14 deletions
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5
lib/sbi/sbi_illegal_insn.c
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@@ -57,7 +57,7 @@ static int system_opcode_insn(ulong insn, u32 hartid, ulong mcause,
return truly_illegal_insn(insn, hartid, mcause,
regs, scratch);
if (sbi_emulate_csr_read(csr_num, hartid, regs, scratch, &csr_val))
if (sbi_emulate_csr_read(csr_num, regs, &csr_val))
return truly_illegal_insn(insn, hartid, mcause,
regs, scratch);
@@ -87,8 +87,7 @@ static int system_opcode_insn(ulong insn, u32 hartid, ulong mcause,
return truly_illegal_insn(insn, hartid, mcause, regs, scratch);
};
if (do_write && sbi_emulate_csr_write(csr_num, hartid, regs,
scratch, new_csr_val))
if (do_write && sbi_emulate_csr_write(csr_num, regs, new_csr_val))
return truly_illegal_insn(insn, hartid, mcause, regs, scratch);
SET_RD(insn, regs, csr_val);