@@ -483,6 +483,10 @@ typedef RISCVException (*riscv_csr_op_fn)(CPURISCVState *env, int csrno,
target_ulong new_value,
target_ulong write_mask);
+RISCVException riscv_csrrw_i128(CPURISCVState *env, int csrno,
+ Int128 *ret_value,
+ Int128 new_value, Int128 write_mask);
+
typedef struct {
const char *name;
riscv_csr_predicate_fn predicate;
@@ -66,6 +66,9 @@ DEF_HELPER_FLAGS_2(clmulr, TCG_CALL_NO_RWG_SE, tl, tl, tl)
DEF_HELPER_2(csrr, tl, env, int)
DEF_HELPER_3(csrw, void, env, int, tl)
DEF_HELPER_4(csrrw, tl, env, int, tl, tl)
+DEF_HELPER_2(csrr_i128, tl, env, int)
+DEF_HELPER_4(csrw_i128, void, env, int, tl, tl)
+DEF_HELPER_6(csrrw_i128, tl, env, int, tl, tl, tl, tl)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_2(sret, tl, env, tl)
DEF_HELPER_2(mret, tl, env, tl)
@@ -1788,6 +1788,23 @@ RISCVException riscv_csrrw(CPURISCVState *env, int csrno,
return RISCV_EXCP_NONE;
}
+RISCVException riscv_csrrw_i128(CPURISCVState *env, int csrno,
+ Int128 *ret_value,
+ Int128 new_value, Int128 write_mask)
+{
+ /* fall back to 64-bit version for now */
+ target_ulong ret_64;
+ RISCVException ret = riscv_csrrw(env, csrno, &ret_64,
+ int128_getlo(new_value),
+ int128_getlo(write_mask));
+
+ if (ret_value) {
+ *ret_value = int128_make64(ret_64);
+ }
+
+ return ret;
+}
+
/*
* Debugger support. If not in user mode, set env->debugger before the
* riscv_csrrw call and clear it after the call.
@@ -69,6 +69,50 @@ target_ulong helper_csrrw(CPURISCVState *env, int csr,
return val;
}
+target_ulong helper_csrr_i128(CPURISCVState *env, int csr)
+{
+ Int128 rv = int128_zero();
+ RISCVException ret = riscv_csrrw_i128(env, csr, &rv,
+ int128_zero(),
+ int128_zero());
+
+ if (ret != RISCV_EXCP_NONE) {
+ riscv_raise_exception(env, ret, GETPC());
+ }
+
+ env->retxh = int128_gethi(rv);
+ return int128_getlo(rv);
+}
+
+void helper_csrw_i128(CPURISCVState *env, int csr,
+ target_ulong srcl, target_ulong srch)
+{
+ RISCVException ret = riscv_csrrw_i128(env, csr, NULL,
+ int128_make128(srcl, srch),
+ UINT128_MAX);
+
+ if (ret != RISCV_EXCP_NONE) {
+ riscv_raise_exception(env, ret, GETPC());
+ }
+}
+
+target_ulong helper_csrrw_i128(CPURISCVState *env, int csr,
+ target_ulong srcl, target_ulong srch,
+ target_ulong maskl, target_ulong maskh)
+{
+ Int128 rv = int128_zero();
+ RISCVException ret = riscv_csrrw_i128(env, csr, &rv,
+ int128_make128(srcl, srch),
+ int128_make128(maskl, maskh));
+
+ if (ret != RISCV_EXCP_NONE) {
+ riscv_raise_exception(env, ret, GETPC());
+ }
+
+ env->retxh = int128_gethi(rv);
+ return int128_getlo(rv);
+}
+
#ifndef CONFIG_USER_ONLY
target_ulong helper_sret(CPURISCVState *env, target_ulong cpu_pc_deb)