From: Richard Henderson <richard.henderson@linaro.org>
Date: Thu, 27 May 2021 19:24:25 +0000 (-0700)
Subject: Revert "tcg/tci: Use exec/cpu_ldst.h interfaces"
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=5183f209eb3730a61adaf5ccfa1a30c807891971;p=qmiga%2Fqemu.git

Revert "tcg/tci: Use exec/cpu_ldst.h interfaces"

This reverts commit dc09f047eddec8f4a1991c4f5f4a428d7aa3f2c0.

For tcg, tracepoints are expanded inline in tcg opcodes.
Using a helper which generates a second tracepoint is incorrect.

For system mode, the extraction and re-packing of MemOp and mmu_idx
lost the alignment information from MemOp.  So we were no longer
raising alignment exceptions for !TARGET_ALIGNED_ONLY guests.
This can be seen in tests/tcg/xtensa/test_load_store.S.

For user mode, we must update to the new signature of g2h() so that
the revert compiles.  We can leave set_helper_retaddr for later.

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/tcg/tci.c b/tcg/tci.c
index 5520537abe..cbe1afa289 100644
--- a/tcg/tci.c
+++ b/tcg/tci.c
@@ -288,34 +288,51 @@ static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition)
     return result;
 }
 
-#define qemu_ld_ub \
-    cpu_ldub_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_ld_leuw \
-    cpu_lduw_le_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_ld_leul \
-    cpu_ldl_le_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_ld_leq \
-    cpu_ldq_le_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_ld_beuw \
-    cpu_lduw_be_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_ld_beul \
-    cpu_ldl_be_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_ld_beq \
-    cpu_ldq_be_mmuidx_ra(env, taddr, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_st_b(X) \
-    cpu_stb_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_st_lew(X) \
-    cpu_stw_le_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_st_lel(X) \
-    cpu_stl_le_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_st_leq(X) \
-    cpu_stq_le_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_st_bew(X) \
-    cpu_stw_be_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_st_bel(X) \
-    cpu_stl_be_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
-#define qemu_st_beq(X) \
-    cpu_stq_be_mmuidx_ra(env, taddr, X, get_mmuidx(oi), (uintptr_t)tb_ptr)
+#ifdef CONFIG_SOFTMMU
+# define qemu_ld_ub \
+    helper_ret_ldub_mmu(env, taddr, oi, (uintptr_t)tb_ptr)
+# define qemu_ld_leuw \
+    helper_le_lduw_mmu(env, taddr, oi, (uintptr_t)tb_ptr)
+# define qemu_ld_leul \
+    helper_le_ldul_mmu(env, taddr, oi, (uintptr_t)tb_ptr)
+# define qemu_ld_leq \
+    helper_le_ldq_mmu(env, taddr, oi, (uintptr_t)tb_ptr)
+# define qemu_ld_beuw \
+    helper_be_lduw_mmu(env, taddr, oi, (uintptr_t)tb_ptr)
+# define qemu_ld_beul \
+    helper_be_ldul_mmu(env, taddr, oi, (uintptr_t)tb_ptr)
+# define qemu_ld_beq \
+    helper_be_ldq_mmu(env, taddr, oi, (uintptr_t)tb_ptr)
+# define qemu_st_b(X) \
+    helper_ret_stb_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr)
+# define qemu_st_lew(X) \
+    helper_le_stw_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr)
+# define qemu_st_lel(X) \
+    helper_le_stl_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr)
+# define qemu_st_leq(X) \
+    helper_le_stq_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr)
+# define qemu_st_bew(X) \
+    helper_be_stw_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr)
+# define qemu_st_bel(X) \
+    helper_be_stl_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr)
+# define qemu_st_beq(X) \
+    helper_be_stq_mmu(env, taddr, X, oi, (uintptr_t)tb_ptr)
+#else
+# define qemu_ld_ub      ldub_p(g2h(env_cpu(env), taddr))
+# define qemu_ld_leuw    lduw_le_p(g2h(env_cpu(env), taddr))
+# define qemu_ld_leul    (uint32_t)ldl_le_p(g2h(env_cpu(env), taddr))
+# define qemu_ld_leq     ldq_le_p(g2h(env_cpu(env), taddr))
+# define qemu_ld_beuw    lduw_be_p(g2h(env_cpu(env), taddr))
+# define qemu_ld_beul    (uint32_t)ldl_be_p(g2h(env_cpu(env), taddr))
+# define qemu_ld_beq     ldq_be_p(g2h(env_cpu(env), taddr))
+# define qemu_st_b(X)    stb_p(g2h(env_cpu(env), taddr), X)
+# define qemu_st_lew(X)  stw_le_p(g2h(env_cpu(env), taddr), X)
+# define qemu_st_lel(X)  stl_le_p(g2h(env_cpu(env), taddr), X)
+# define qemu_st_leq(X)  stq_le_p(g2h(env_cpu(env), taddr), X)
+# define qemu_st_bew(X)  stw_be_p(g2h(env_cpu(env), taddr), X)
+# define qemu_st_bel(X)  stl_be_p(g2h(env_cpu(env), taddr), X)
+# define qemu_st_beq(X)  stq_be_p(g2h(env_cpu(env), taddr), X)
+#endif
 
 static uint64_t tci_qemu_ld(CPUArchState *env, target_ulong taddr,
                             TCGMemOpIdx oi, const void *tb_ptr)