diff options
Diffstat (limited to 'target/riscv/op_helper.c')
| -rw-r--r-- | target/riscv/op_helper.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 3c48e73..ee7c24e 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -37,11 +37,10 @@ void helper_raise_exception(CPURISCVState *env, uint32_t exception) riscv_raise_exception(env, exception, 0); } -target_ulong helper_csrrw(CPURISCVState *env, target_ulong src, - target_ulong csr) +target_ulong helper_csrr(CPURISCVState *env, int csr) { target_ulong val = 0; - RISCVException ret = riscv_csrrw(env, csr, &val, src, -1); + RISCVException ret = riscv_csrrw(env, csr, &val, 0, 0); if (ret != RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); @@ -49,23 +48,20 @@ target_ulong helper_csrrw(CPURISCVState *env, target_ulong src, return val; } -target_ulong helper_csrrs(CPURISCVState *env, target_ulong src, - target_ulong csr, target_ulong rs1_pass) +void helper_csrw(CPURISCVState *env, int csr, target_ulong src) { - target_ulong val = 0; - RISCVException ret = riscv_csrrw(env, csr, &val, -1, rs1_pass ? src : 0); + RISCVException ret = riscv_csrrw(env, csr, NULL, src, -1); if (ret != RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); } - return val; } -target_ulong helper_csrrc(CPURISCVState *env, target_ulong src, - target_ulong csr, target_ulong rs1_pass) +target_ulong helper_csrrw(CPURISCVState *env, int csr, + target_ulong src, target_ulong write_mask) { target_ulong val = 0; - RISCVException ret = riscv_csrrw(env, csr, &val, 0, rs1_pass ? src : 0); + RISCVException ret = riscv_csrrw(env, csr, &val, src, write_mask); if (ret != RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); |