From: Alexey Baturo <baturo.alexey@gmail.com>
Signed-off-by: Alexey Baturo <baturo.alexey@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/translate.c | 22 ++++++++++++++++------
target/riscv/vector_helper.c | 16 ++++++++++++++++
2 files changed, 32 insertions(+), 6 deletions(-)
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index bb92f36ba1..32df295123 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -588,8 +588,10 @@ static TCGv get_address(DisasContext *ctx, int rs1, int imm)
TCGv src1 = get_gpr(ctx, rs1, EXT_NONE);
tcg_gen_addi_tl(addr, src1, imm);
- if (get_address_xl(ctx) == MXL_RV32) {
- tcg_gen_ext32u_tl(addr, addr);
+ if (ctx->addr_signed) {
+ tcg_gen_sextract_tl(addr, addr, 0, ctx->addr_xl);
+ } else {
+ tcg_gen_extract_tl(addr, addr, 0, ctx->addr_xl);
}
return addr;
@@ -602,8 +604,10 @@ static TCGv get_address_indexed(DisasContext *ctx, int rs1, TCGv offs)
TCGv src1 = get_gpr(ctx, rs1, EXT_NONE);
tcg_gen_add_tl(addr, src1, offs);
- if (get_xl(ctx) == MXL_RV32) {
- tcg_gen_ext32u_tl(addr, addr);
+ if (ctx->addr_signed) {
+ tcg_gen_sextract_tl(addr, addr, 0, ctx->addr_xl);
+ } else {
+ tcg_gen_extract_tl(addr, addr, 0, ctx->addr_xl);
}
return addr;
@@ -1233,8 +1237,14 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
ctx->xl = FIELD_EX32(tb_flags, TB_FLAGS, XL);
ctx->address_xl = FIELD_EX32(tb_flags, TB_FLAGS, AXL);
ctx->cs = cs;
- ctx->addr_xl = 0;
- ctx->addr_signed = false;
+ if (get_xl(ctx) == MXL_RV32) {
+ ctx->addr_xl = 32;
+ ctx->addr_signed = false;
+ } else {
+ int pm_pmm = FIELD_EX32(tb_flags, TB_FLAGS, PM_PMM);
+ ctx->addr_xl = 64 - riscv_pm_get_pmlen(pm_pmm);
+ ctx->addr_signed = FIELD_EX32(tb_flags, TB_FLAGS, PM_SIGNEXTEND);
+ }
ctx->ztso = cpu->cfg.ext_ztso;
ctx->itrigger = FIELD_EX32(tb_flags, TB_FLAGS, ITRIGGER);
ctx->bcfi_enabled = FIELD_EX32(tb_flags, TB_FLAGS, BCFI_ENABLED);
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 3589e3ef28..37c6c198a5 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -107,6 +107,22 @@ static inline uint32_t vext_max_elems(uint32_t desc, uint32_t log2_esz)
static inline target_ulong adjust_addr(CPURISCVState *env, target_ulong addr)
{
+ if (riscv_cpu_mxl(env) == MXL_RV32) {
+ return addr;
+ }
+ RISCVPmPmm pmm = riscv_pm_get_pmm(env);
+ if (pmm == PMM_FIELD_DISABLED) {
+ return addr;
+ }
+ int pmlen = riscv_pm_get_pmlen(pmm);
+ bool signext = riscv_cpu_virt_mem_enabled(env);
+ addr = addr << pmlen;
+ /* sign/zero extend masked address by N-1 bit */
+ if (signext) {
+ addr = (target_long)addr >> pmlen;
+ } else {
+ addr = addr >> pmlen;
+ }
return addr;
}
--
2.39.5