This commit adds qemu_ld and qemu_st by calling the helper functions
corresponding to MemOp.
Signed-off-by: Kohei Tokunaga <ktokunaga.m...@gmail.com>
---
tcg/wasm32/tcg-target.c.inc | 108 ++++++++++++++++++++++++++++++++++++
1 file changed, 108 insertions(+)
diff --git a/tcg/wasm32/tcg-target.c.inc b/tcg/wasm32/tcg-target.c.inc
index 708af1fbb6..ea9131e6fe 100644
--- a/tcg/wasm32/tcg-target.c.inc
+++ b/tcg/wasm32/tcg-target.c.inc
@@ -1793,6 +1793,112 @@ static void tcg_wasm_out_call(TCGContext *s, int func,
gen_call(s, info, func_idx);
}
+static void *qemu_ld_helper_ptr(uint32_t oi)
+{
+ MemOp mop = get_memop(oi);
+ switch (mop & MO_SSIZE) {
+ case MO_UB:
+ return helper_ldub_mmu;
+ case MO_SB:
+ return helper_ldsb_mmu;
+ case MO_UW:
+ return helper_lduw_mmu;
+ case MO_SW:
+ return helper_ldsw_mmu;
+ case MO_UL:
+ return helper_ldul_mmu;
+ case MO_SL:
+ return helper_ldsl_mmu;
+ case MO_UQ:
+ return helper_ldq_mmu;
+ default:
+ g_assert_not_reached();
+ }
+}
+
+static void tcg_wasm_out_qemu_ld(TCGContext *s, TCGReg data_reg,
+ TCGReg addr_reg, MemOpIdx oi)
+{
+ int helper_idx;
+ int func_idx;
+ bool addr64 = s->addr_type == TCG_TYPE_I64;
+
+ helper_idx = (uint32_t)qemu_ld_helper_ptr(oi);
+ func_idx = get_helper_idx(s, helper_idx);
+ if (func_idx < 0) {
+ func_idx = register_helper(s, helper_idx);
+ }
+
+ if (!addr64) {
+ tcg_wasm_out_ext32u(s, TCG_REG_TMP, addr_reg);
+ addr_reg = TCG_REG_TMP;
+ }
+
+ /* call helper */
+ tcg_wasm_out_op_global_get_r(s, TCG_AREG0);
+ tcg_wasm_out_op_i32_wrap_i64(s);
+ tcg_wasm_out_op_global_get_r(s, addr_reg);
+ tcg_wasm_out_op_i32_const(s, oi);
+ tcg_wasm_out_op_i32_const(s, (int32_t)s->code_ptr);
+
+ tcg_wasm_out_op_call(s, func_idx);
+ tcg_wasm_out_op_global_set_r(s, data_reg);
+}
+
+static void *qemu_st_helper_ptr(uint32_t oi)
+{
+ MemOp mop = get_memop(oi);
+ switch (mop & MO_SIZE) {
+ case MO_8:
+ return helper_stb_mmu;
+ case MO_16:
+ return helper_stw_mmu;
+ case MO_32:
+ return helper_stl_mmu;
+ case MO_64:
+ return helper_stq_mmu;
+ default:
+ g_assert_not_reached();
+ }
+}
+
+static void tcg_wasm_out_qemu_st(TCGContext *s, TCGReg data_reg,
+ TCGReg addr_reg, MemOpIdx oi)
+{
+ int helper_idx;
+ int func_idx;
+ bool addr64 = s->addr_type == TCG_TYPE_I64;
+ MemOp mop = get_memop(oi);
+
+ helper_idx = (uint32_t)qemu_st_helper_ptr(oi);
+ func_idx = get_helper_idx(s, helper_idx);
+ if (func_idx < 0) {
+ func_idx = register_helper(s, helper_idx);
+ }
+
+ if (!addr64) {
+ tcg_wasm_out_ext32u(s, TCG_REG_TMP, addr_reg);
+ addr_reg = TCG_REG_TMP;
+ }
+
+ /* call helper */
+ tcg_wasm_out_op_global_get_r(s, TCG_AREG0);
+ tcg_wasm_out_op_i32_wrap_i64(s);
+ tcg_wasm_out_op_global_get_r(s, addr_reg);
+ switch (mop & MO_SSIZE) {
+ case MO_UQ:
+ tcg_wasm_out_op_global_get_r(s, data_reg);
+ break;
+ default:
+ tcg_wasm_out_op_global_get_r(s, data_reg);
+ tcg_wasm_out_op_i32_wrap_i64(s);
+ break;
+ }
+ tcg_wasm_out_op_i32_const(s, oi);
+ tcg_wasm_out_op_i32_const(s, (int32_t)s->code_ptr);
+
+ tcg_wasm_out_op_call(s, func_idx);
+}
static bool patch_reloc(tcg_insn_unit *code_ptr_i, int type,
intptr_t value, intptr_t addend)
@@ -3128,6 +3234,7 @@ static void tgen_qemu_ld(TCGContext *s, TCGType type,
TCGReg data,
TCGReg addr, MemOpIdx oi)
{
tcg_out_op_rrm(s, INDEX_op_qemu_ld, data, addr, oi);
+ tcg_wasm_out_qemu_ld(s, data, addr, oi);
}
static const TCGOutOpQemuLdSt outop_qemu_ld = {
@@ -3153,6 +3260,7 @@ static void tgen_qemu_st(TCGContext *s, TCGType type,
TCGReg data,
TCGReg addr, MemOpIdx oi)
{
tcg_out_op_rrm(s, INDEX_op_qemu_st, data, addr, oi);
+ tcg_wasm_out_qemu_st(s, data, addr, oi);
}
static const TCGOutOpQemuLdSt outop_qemu_st = {
--
2.43.0
