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[Qemu-devel] [PATCH v2 09/14] target-microblaze: switch to AREG0 free mo


From: Blue Swirl
Subject: [Qemu-devel] [PATCH v2 09/14] target-microblaze: switch to AREG0 free mode
Date: Sat, 8 Sep 2012 11:50:01 +0000

Add an explicit CPUState parameter instead of relying on AREG0
and switch to AREG0 free mode.

Signed-off-by: Blue Swirl <address@hidden>
---
 configure                       |    2 +-
 target-microblaze/Makefile.objs |    2 -
 target-microblaze/helper.h      |   48 ++++++++--------
 target-microblaze/op_helper.c   |  115 ++++++++++++++++++---------------------
 target-microblaze/translate.c   |   61 +++++++++++----------
 5 files changed, 110 insertions(+), 118 deletions(-)

diff --git a/configure b/configure
index efb5014..e464d2f 100755
--- a/configure
+++ b/configure
@@ -3829,7 +3829,7 @@ symlink "$source_path/Makefile.target" 
"$target_dir/Makefile"
 
 
 case "$target_arch2" in
-  alpha | arm* | i386 | lm32 | m68k | or32 | s390x | sparc* | unicore32 | 
x86_64 | xtensa* | ppc*)
+  alpha | arm* | i386 | lm32 | m68k | microblaze* | or32 | s390x | sparc* | 
unicore32 | x86_64 | xtensa* | ppc*)
     echo "CONFIG_TCG_PASS_AREG0=y" >> $config_target_mak
   ;;
 esac
diff --git a/target-microblaze/Makefile.objs b/target-microblaze/Makefile.objs
index 4b09e8c..afb87bc 100644
--- a/target-microblaze/Makefile.objs
+++ b/target-microblaze/Makefile.objs
@@ -1,4 +1,2 @@
 obj-y += translate.o op_helper.o helper.o cpu.o
 obj-$(CONFIG_SOFTMMU) += mmu.o machine.o
-
-$(obj)/op_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
diff --git a/target-microblaze/helper.h b/target-microblaze/helper.h
index 9dcfb0f..a1a732c 100644
--- a/target-microblaze/helper.h
+++ b/target-microblaze/helper.h
@@ -1,39 +1,39 @@
 #include "def-helper.h"
 
-DEF_HELPER_1(raise_exception, void, i32)
-DEF_HELPER_0(debug, void)
+DEF_HELPER_2(raise_exception, void, env, i32)
+DEF_HELPER_1(debug, void, env)
 DEF_HELPER_FLAGS_3(carry, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32, i32, i32)
 DEF_HELPER_2(cmp, i32, i32, i32)
 DEF_HELPER_2(cmpu, i32, i32, i32)
 DEF_HELPER_FLAGS_1(clz, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32)
 
-DEF_HELPER_2(divs, i32, i32, i32)
-DEF_HELPER_2(divu, i32, i32, i32)
-
-DEF_HELPER_2(fadd, i32, i32, i32)
-DEF_HELPER_2(frsub, i32, i32, i32)
-DEF_HELPER_2(fmul, i32, i32, i32)
-DEF_HELPER_2(fdiv, i32, i32, i32)
-DEF_HELPER_1(flt, i32, i32)
-DEF_HELPER_1(fint, i32, i32)
-DEF_HELPER_1(fsqrt, i32, i32)
-
-DEF_HELPER_2(fcmp_un, i32, i32, i32)
-DEF_HELPER_2(fcmp_lt, i32, i32, i32)
-DEF_HELPER_2(fcmp_eq, i32, i32, i32)
-DEF_HELPER_2(fcmp_le, i32, i32, i32)
-DEF_HELPER_2(fcmp_gt, i32, i32, i32)
-DEF_HELPER_2(fcmp_ne, i32, i32, i32)
-DEF_HELPER_2(fcmp_ge, i32, i32, i32)
+DEF_HELPER_3(divs, i32, env, i32, i32)
+DEF_HELPER_3(divu, i32, env, i32, i32)
+
+DEF_HELPER_3(fadd, i32, env, i32, i32)
+DEF_HELPER_3(frsub, i32, env, i32, i32)
+DEF_HELPER_3(fmul, i32, env, i32, i32)
+DEF_HELPER_3(fdiv, i32, env, i32, i32)
+DEF_HELPER_2(flt, i32, env, i32)
+DEF_HELPER_2(fint, i32, env, i32)
+DEF_HELPER_2(fsqrt, i32, env, i32)
+
+DEF_HELPER_3(fcmp_un, i32, env, i32, i32)
+DEF_HELPER_3(fcmp_lt, i32, env, i32, i32)
+DEF_HELPER_3(fcmp_eq, i32, env, i32, i32)
+DEF_HELPER_3(fcmp_le, i32, env, i32, i32)
+DEF_HELPER_3(fcmp_gt, i32, env, i32, i32)
+DEF_HELPER_3(fcmp_ne, i32, env, i32, i32)
+DEF_HELPER_3(fcmp_ge, i32, env, i32, i32)
 
 DEF_HELPER_FLAGS_2(pcmpbf, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32, i32)
 #if !defined(CONFIG_USER_ONLY)
-DEF_HELPER_1(mmu_read, i32, i32)
-DEF_HELPER_2(mmu_write, void, i32, i32)
+DEF_HELPER_2(mmu_read, i32, env, i32)
+DEF_HELPER_3(mmu_write, void, env, i32, i32)
 #endif
 
-DEF_HELPER_4(memalign, void, i32, i32, i32, i32)
-DEF_HELPER_1(stackprot, void, i32)
+DEF_HELPER_5(memalign, void, env, i32, i32, i32, i32)
+DEF_HELPER_2(stackprot, void, env, i32)
 
 DEF_HELPER_2(get, i32, i32, i32)
 DEF_HELPER_3(put, void, i32, i32, i32)
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index 3b1f072..c9789f4 100644
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -20,7 +20,6 @@
 
 #include <assert.h>
 #include "cpu.h"
-#include "dyngen-exec.h"
 #include "helper.h"
 #include "host-utils.h"
 
@@ -42,17 +41,12 @@
 /* Try to fill the TLB and return an exception if error. If retaddr is
    NULL, it means that the function was called in C code (i.e. not
    from generated code or from helper.c) */
-/* XXX: fix it to restore all registers */
-void tlb_fill(CPUMBState *env1, target_ulong addr, int is_write, int mmu_idx,
+void tlb_fill(CPUMBState *env, target_ulong addr, int is_write, int mmu_idx,
               uintptr_t retaddr)
 {
     TranslationBlock *tb;
-    CPUMBState *saved_env;
     int ret;
 
-    saved_env = env;
-    env = env1;
-
     ret = cpu_mb_handle_mmu_fault(env, addr, is_write, mmu_idx);
     if (unlikely(ret)) {
         if (retaddr) {
@@ -66,7 +60,6 @@ void tlb_fill(CPUMBState *env1, target_ulong addr, int 
is_write, int mmu_idx,
         }
         cpu_loop_exit(env);
     }
-    env = saved_env;
 }
 #endif
 
@@ -105,13 +98,13 @@ uint32_t helper_get(uint32_t id, uint32_t ctrl)
     return 0xdead0000 | id;
 }
 
-void helper_raise_exception(uint32_t index)
+void helper_raise_exception(CPUMBState *env, uint32_t index)
 {
     env->exception_index = index;
     cpu_loop_exit(env);
 }
 
-void helper_debug(void)
+void helper_debug(CPUMBState *env)
 {
     int i;
 
@@ -176,7 +169,7 @@ uint32_t helper_carry(uint32_t a, uint32_t b, uint32_t cf)
     return ncf;
 }
 
-static inline int div_prepare(uint32_t a, uint32_t b)
+static inline int div_prepare(CPUMBState *env, uint32_t a, uint32_t b)
 {
     if (b == 0) {
         env->sregs[SR_MSR] |= MSR_DZ;
@@ -184,7 +177,7 @@ static inline int div_prepare(uint32_t a, uint32_t b)
         if ((env->sregs[SR_MSR] & MSR_EE)
             && !(env->pvr.regs[2] & PVR2_DIV_ZERO_EXC_MASK)) {
             env->sregs[SR_ESR] = ESR_EC_DIVZERO;
-            helper_raise_exception(EXCP_HW_EXCP);
+            helper_raise_exception(env, EXCP_HW_EXCP);
         }
         return 0;
     }
@@ -192,28 +185,30 @@ static inline int div_prepare(uint32_t a, uint32_t b)
     return 1;
 }
 
-uint32_t helper_divs(uint32_t a, uint32_t b)
+uint32_t helper_divs(CPUMBState *env, uint32_t a, uint32_t b)
 {
-    if (!div_prepare(a, b))
+    if (!div_prepare(env, a, b)) {
         return 0;
+    }
     return (int32_t)a / (int32_t)b;
 }
 
-uint32_t helper_divu(uint32_t a, uint32_t b)
+uint32_t helper_divu(CPUMBState *env, uint32_t a, uint32_t b)
 {
-    if (!div_prepare(a, b))
+    if (!div_prepare(env, a, b)) {
         return 0;
+    }
     return a / b;
 }
 
 /* raise FPU exception.  */
-static void raise_fpu_exception(void)
+static void raise_fpu_exception(CPUMBState *env)
 {
     env->sregs[SR_ESR] = ESR_EC_FPU;
-    helper_raise_exception(EXCP_HW_EXCP);
+    helper_raise_exception(env, EXCP_HW_EXCP);
 }
 
-static void update_fpu_flags(int flags)
+static void update_fpu_flags(CPUMBState *env, int flags)
 {
     int raise = 0;
 
@@ -236,11 +231,11 @@ static void update_fpu_flags(int flags)
     if (raise
         && (env->pvr.regs[2] & PVR2_FPU_EXC_MASK)
         && (env->sregs[SR_MSR] & MSR_EE)) {
-        raise_fpu_exception();
+        raise_fpu_exception(env);
     }
 }
 
-uint32_t helper_fadd(uint32_t a, uint32_t b)
+uint32_t helper_fadd(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fd, fa, fb;
     int flags;
@@ -251,11 +246,11 @@ uint32_t helper_fadd(uint32_t a, uint32_t b)
     fd.f = float32_add(fa.f, fb.f, &env->fp_status);
 
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags);
+    update_fpu_flags(env, flags);
     return fd.l;
 }
 
-uint32_t helper_frsub(uint32_t a, uint32_t b)
+uint32_t helper_frsub(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fd, fa, fb;
     int flags;
@@ -265,11 +260,11 @@ uint32_t helper_frsub(uint32_t a, uint32_t b)
     fb.l = b;
     fd.f = float32_sub(fb.f, fa.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags);
+    update_fpu_flags(env, flags);
     return fd.l;
 }
 
-uint32_t helper_fmul(uint32_t a, uint32_t b)
+uint32_t helper_fmul(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fd, fa, fb;
     int flags;
@@ -279,12 +274,12 @@ uint32_t helper_fmul(uint32_t a, uint32_t b)
     fb.l = b;
     fd.f = float32_mul(fa.f, fb.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags);
+    update_fpu_flags(env, flags);
 
     return fd.l;
 }
 
-uint32_t helper_fdiv(uint32_t a, uint32_t b)
+uint32_t helper_fdiv(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fd, fa, fb;
     int flags;
@@ -294,12 +289,12 @@ uint32_t helper_fdiv(uint32_t a, uint32_t b)
     fb.l = b;
     fd.f = float32_div(fb.f, fa.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags);
+    update_fpu_flags(env, flags);
 
     return fd.l;
 }
 
-uint32_t helper_fcmp_un(uint32_t a, uint32_t b)
+uint32_t helper_fcmp_un(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fa, fb;
     uint32_t r = 0;
@@ -308,7 +303,7 @@ uint32_t helper_fcmp_un(uint32_t a, uint32_t b)
     fb.l = b;
 
     if (float32_is_signaling_nan(fa.f) || float32_is_signaling_nan(fb.f)) {
-        update_fpu_flags(float_flag_invalid);
+        update_fpu_flags(env, float_flag_invalid);
         r = 1;
     }
 
@@ -319,7 +314,7 @@ uint32_t helper_fcmp_un(uint32_t a, uint32_t b)
     return r;
 }
 
-uint32_t helper_fcmp_lt(uint32_t a, uint32_t b)
+uint32_t helper_fcmp_lt(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fa, fb;
     int r;
@@ -330,12 +325,12 @@ uint32_t helper_fcmp_lt(uint32_t a, uint32_t b)
     fb.l = b;
     r = float32_lt(fb.f, fa.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags & float_flag_invalid);
+    update_fpu_flags(env, flags & float_flag_invalid);
 
     return r;
 }
 
-uint32_t helper_fcmp_eq(uint32_t a, uint32_t b)
+uint32_t helper_fcmp_eq(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fa, fb;
     int flags;
@@ -346,12 +341,12 @@ uint32_t helper_fcmp_eq(uint32_t a, uint32_t b)
     fb.l = b;
     r = float32_eq_quiet(fa.f, fb.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags & float_flag_invalid);
+    update_fpu_flags(env, flags & float_flag_invalid);
 
     return r;
 }
 
-uint32_t helper_fcmp_le(uint32_t a, uint32_t b)
+uint32_t helper_fcmp_le(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fa, fb;
     int flags;
@@ -362,13 +357,13 @@ uint32_t helper_fcmp_le(uint32_t a, uint32_t b)
     set_float_exception_flags(0, &env->fp_status);
     r = float32_le(fa.f, fb.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags & float_flag_invalid);
+    update_fpu_flags(env, flags & float_flag_invalid);
 
 
     return r;
 }
 
-uint32_t helper_fcmp_gt(uint32_t a, uint32_t b)
+uint32_t helper_fcmp_gt(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fa, fb;
     int flags, r;
@@ -378,11 +373,11 @@ uint32_t helper_fcmp_gt(uint32_t a, uint32_t b)
     set_float_exception_flags(0, &env->fp_status);
     r = float32_lt(fa.f, fb.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags & float_flag_invalid);
+    update_fpu_flags(env, flags & float_flag_invalid);
     return r;
 }
 
-uint32_t helper_fcmp_ne(uint32_t a, uint32_t b)
+uint32_t helper_fcmp_ne(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fa, fb;
     int flags, r;
@@ -392,12 +387,12 @@ uint32_t helper_fcmp_ne(uint32_t a, uint32_t b)
     set_float_exception_flags(0, &env->fp_status);
     r = !float32_eq_quiet(fa.f, fb.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags & float_flag_invalid);
+    update_fpu_flags(env, flags & float_flag_invalid);
 
     return r;
 }
 
-uint32_t helper_fcmp_ge(uint32_t a, uint32_t b)
+uint32_t helper_fcmp_ge(CPUMBState *env, uint32_t a, uint32_t b)
 {
     CPU_FloatU fa, fb;
     int flags, r;
@@ -407,12 +402,12 @@ uint32_t helper_fcmp_ge(uint32_t a, uint32_t b)
     set_float_exception_flags(0, &env->fp_status);
     r = !float32_lt(fa.f, fb.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags & float_flag_invalid);
+    update_fpu_flags(env, flags & float_flag_invalid);
 
     return r;
 }
 
-uint32_t helper_flt(uint32_t a)
+uint32_t helper_flt(CPUMBState *env, uint32_t a)
 {
     CPU_FloatU fd, fa;
 
@@ -421,7 +416,7 @@ uint32_t helper_flt(uint32_t a)
     return fd.l;
 }
 
-uint32_t helper_fint(uint32_t a)
+uint32_t helper_fint(CPUMBState *env, uint32_t a)
 {
     CPU_FloatU fa;
     uint32_t r;
@@ -431,12 +426,12 @@ uint32_t helper_fint(uint32_t a)
     fa.l = a;
     r = float32_to_int32(fa.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags);
+    update_fpu_flags(env, flags);
 
     return r;
 }
 
-uint32_t helper_fsqrt(uint32_t a)
+uint32_t helper_fsqrt(CPUMBState *env, uint32_t a)
 {
     CPU_FloatU fd, fa;
     int flags;
@@ -445,7 +440,7 @@ uint32_t helper_fsqrt(uint32_t a)
     fa.l = a;
     fd.l = float32_sqrt(fa.f, &env->fp_status);
     flags = get_float_exception_flags(&env->fp_status);
-    update_fpu_flags(flags);
+    update_fpu_flags(env, flags);
 
     return fd.l;
 }
@@ -463,7 +458,8 @@ uint32_t helper_pcmpbf(uint32_t a, uint32_t b)
     return 0;
 }
 
-void helper_memalign(uint32_t addr, uint32_t dr, uint32_t wr, uint32_t mask)
+void helper_memalign(CPUMBState *env, uint32_t addr, uint32_t dr, uint32_t wr,
+                     uint32_t mask)
 {
     if (addr & mask) {
             qemu_log_mask(CPU_LOG_INT,
@@ -478,45 +474,39 @@ void helper_memalign(uint32_t addr, uint32_t dr, uint32_t 
wr, uint32_t mask)
             if (!(env->sregs[SR_MSR] & MSR_EE)) {
                 return;
             }
-            helper_raise_exception(EXCP_HW_EXCP);
+            helper_raise_exception(env, EXCP_HW_EXCP);
     }
 }
 
-void helper_stackprot(uint32_t addr)
+void helper_stackprot(CPUMBState *env, uint32_t addr)
 {
     if (addr < env->slr || addr > env->shr) {
             qemu_log("Stack protector violation at %x %x %x\n",
                      addr, env->slr, env->shr);
             env->sregs[SR_EAR] = addr;
             env->sregs[SR_ESR] = ESR_EC_STACKPROT;
-            helper_raise_exception(EXCP_HW_EXCP);
+            helper_raise_exception(env, EXCP_HW_EXCP);
     }
 }
 
 #if !defined(CONFIG_USER_ONLY)
 /* Writes/reads to the MMU's special regs end up here.  */
-uint32_t helper_mmu_read(uint32_t rn)
+uint32_t helper_mmu_read(CPUMBState *env, uint32_t rn)
 {
     return mmu_read(env, rn);
 }
 
-void helper_mmu_write(uint32_t rn, uint32_t v)
+void helper_mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
 {
     mmu_write(env, rn, v);
 }
 
-void cpu_unassigned_access(CPUMBState *env1, target_phys_addr_t addr,
+void cpu_unassigned_access(CPUMBState *env, target_phys_addr_t addr,
                            int is_write, int is_exec, int is_asi, int size)
 {
-    CPUMBState *saved_env;
-
-    saved_env = env;
-    env = env1;
-
     qemu_log_mask(CPU_LOG_INT, "Unassigned " TARGET_FMT_plx " wr=%d exe=%d\n",
              addr, is_write, is_exec);
     if (!(env->sregs[SR_MSR] & MSR_EE)) {
-        env = saved_env;
         return;
     }
 
@@ -524,14 +514,13 @@ void cpu_unassigned_access(CPUMBState *env1, 
target_phys_addr_t addr,
     if (is_exec) {
         if ((env->pvr.regs[2] & PVR2_IOPB_BUS_EXC_MASK)) {
             env->sregs[SR_ESR] = ESR_EC_INSN_BUS;
-            helper_raise_exception(EXCP_HW_EXCP);
+            helper_raise_exception(env, EXCP_HW_EXCP);
         }
     } else {
         if ((env->pvr.regs[2] & PVR2_DOPB_BUS_EXC_MASK)) {
             env->sregs[SR_ESR] = ESR_EC_DATA_BUS;
-            helper_raise_exception(EXCP_HW_EXCP);
+            helper_raise_exception(env, EXCP_HW_EXCP);
         }
     }
-    env = saved_env;
 }
 #endif
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index 7470149..9c7d77f 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -126,7 +126,7 @@ static inline void t_gen_raise_exception(DisasContext *dc, 
uint32_t index)
 
     t_sync_flags(dc);
     tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
-    gen_helper_raise_exception(tmp);
+    gen_helper_raise_exception(cpu_env, tmp);
     tcg_temp_free_i32(tmp);
     dc->is_jmp = DISAS_UPDATE;
 }
@@ -503,9 +503,9 @@ static void dec_msr(DisasContext *dc)
         sr &= 7;
         LOG_DIS("m%ss sr%d r%d imm=%x\n", to ? "t" : "f", sr, dc->ra, dc->imm);
         if (to)
-            gen_helper_mmu_write(tcg_const_tl(sr), cpu_R[dc->ra]);
+            gen_helper_mmu_write(cpu_env, tcg_const_tl(sr), cpu_R[dc->ra]);
         else
-            gen_helper_mmu_read(cpu_R[dc->rd], tcg_const_tl(sr));
+            gen_helper_mmu_read(cpu_R[dc->rd], cpu_env, tcg_const_tl(sr));
         return;
     }
 #endif
@@ -704,9 +704,11 @@ static void dec_div(DisasContext *dc)
     }
 
     if (u)
-        gen_helper_divu(cpu_R[dc->rd], *(dec_alu_op_b(dc)), cpu_R[dc->ra]);
+        gen_helper_divu(cpu_R[dc->rd], cpu_env, *(dec_alu_op_b(dc)),
+                        cpu_R[dc->ra]);
     else
-        gen_helper_divs(cpu_R[dc->rd], *(dec_alu_op_b(dc)), cpu_R[dc->ra]);
+        gen_helper_divs(cpu_R[dc->rd], cpu_env, *(dec_alu_op_b(dc)),
+                        cpu_R[dc->ra]);
     if (!dc->rd)
         tcg_gen_movi_tl(cpu_R[dc->rd], 0);
 }
@@ -912,7 +914,7 @@ static inline TCGv *compute_ldst_addr(DisasContext *dc, 
TCGv *t)
         tcg_gen_add_tl(*t, cpu_R[dc->ra], cpu_R[dc->rb]);
 
         if (stackprot) {
-            gen_helper_stackprot(*t);
+            gen_helper_stackprot(cpu_env, *t);
         }
         return t;
     }
@@ -930,7 +932,7 @@ static inline TCGv *compute_ldst_addr(DisasContext *dc, 
TCGv *t)
     }
 
     if (stackprot) {
-        gen_helper_stackprot(*t);
+        gen_helper_stackprot(cpu_env, *t);
     }
     return t;
 }
@@ -1056,7 +1058,7 @@ static void dec_load(DisasContext *dc)
         gen_load(dc, v, *addr, size);
 
         tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
-        gen_helper_memalign(*addr, tcg_const_tl(dc->rd),
+        gen_helper_memalign(cpu_env, *addr, tcg_const_tl(dc->rd),
                             tcg_const_tl(0), tcg_const_tl(size - 1));
         if (dc->rd) {
             if (rev) {
@@ -1218,7 +1220,7 @@ static void dec_store(DisasContext *dc)
          *        the alignment checks in between the probe and the mem
          *        access.
          */
-        gen_helper_memalign(*addr, tcg_const_tl(dc->rd),
+        gen_helper_memalign(cpu_env, *addr, tcg_const_tl(dc->rd),
                             tcg_const_tl(1), tcg_const_tl(size - 1));
     }
 
@@ -1493,49 +1495,53 @@ static void dec_fpu(DisasContext *dc)
 
     switch (fpu_insn) {
         case 0:
-            gen_helper_fadd(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+            gen_helper_fadd(cpu_R[dc->rd], cpu_env, cpu_R[dc->ra],
+                            cpu_R[dc->rb]);
             break;
 
         case 1:
-            gen_helper_frsub(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+            gen_helper_frsub(cpu_R[dc->rd], cpu_env, cpu_R[dc->ra],
+                             cpu_R[dc->rb]);
             break;
 
         case 2:
-            gen_helper_fmul(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+            gen_helper_fmul(cpu_R[dc->rd], cpu_env, cpu_R[dc->ra],
+                            cpu_R[dc->rb]);
             break;
 
         case 3:
-            gen_helper_fdiv(cpu_R[dc->rd], cpu_R[dc->ra], cpu_R[dc->rb]);
+            gen_helper_fdiv(cpu_R[dc->rd], cpu_env, cpu_R[dc->ra],
+                            cpu_R[dc->rb]);
             break;
 
         case 4:
             switch ((dc->ir >> 4) & 7) {
                 case 0:
-                    gen_helper_fcmp_un(cpu_R[dc->rd],
+                    gen_helper_fcmp_un(cpu_R[dc->rd], cpu_env,
                                        cpu_R[dc->ra], cpu_R[dc->rb]);
                     break;
                 case 1:
-                    gen_helper_fcmp_lt(cpu_R[dc->rd],
+                    gen_helper_fcmp_lt(cpu_R[dc->rd], cpu_env,
                                        cpu_R[dc->ra], cpu_R[dc->rb]);
                     break;
                 case 2:
-                    gen_helper_fcmp_eq(cpu_R[dc->rd],
+                    gen_helper_fcmp_eq(cpu_R[dc->rd], cpu_env,
                                        cpu_R[dc->ra], cpu_R[dc->rb]);
                     break;
                 case 3:
-                    gen_helper_fcmp_le(cpu_R[dc->rd],
+                    gen_helper_fcmp_le(cpu_R[dc->rd], cpu_env,
                                        cpu_R[dc->ra], cpu_R[dc->rb]);
                     break;
                 case 4:
-                    gen_helper_fcmp_gt(cpu_R[dc->rd],
+                    gen_helper_fcmp_gt(cpu_R[dc->rd], cpu_env,
                                        cpu_R[dc->ra], cpu_R[dc->rb]);
                     break;
                 case 5:
-                    gen_helper_fcmp_ne(cpu_R[dc->rd],
+                    gen_helper_fcmp_ne(cpu_R[dc->rd], cpu_env,
                                        cpu_R[dc->ra], cpu_R[dc->rb]);
                     break;
                 case 6:
-                    gen_helper_fcmp_ge(cpu_R[dc->rd],
+                    gen_helper_fcmp_ge(cpu_R[dc->rd], cpu_env,
                                        cpu_R[dc->ra], cpu_R[dc->rb]);
                     break;
                 default:
@@ -1552,21 +1558,21 @@ static void dec_fpu(DisasContext *dc)
             if (!dec_check_fpuv2(dc)) {
                 return;
             }
-            gen_helper_flt(cpu_R[dc->rd], cpu_R[dc->ra]);
+            gen_helper_flt(cpu_R[dc->rd], cpu_env, cpu_R[dc->ra]);
             break;
 
         case 6:
             if (!dec_check_fpuv2(dc)) {
                 return;
             }
-            gen_helper_fint(cpu_R[dc->rd], cpu_R[dc->ra]);
+            gen_helper_fint(cpu_R[dc->rd], cpu_env, cpu_R[dc->ra]);
             break;
 
         case 7:
             if (!dec_check_fpuv2(dc)) {
                 return;
             }
-            gen_helper_fsqrt(cpu_R[dc->rd], cpu_R[dc->ra]);
+            gen_helper_fsqrt(cpu_R[dc->rd], cpu_env, cpu_R[dc->ra]);
             break;
 
         default:
@@ -1654,15 +1660,14 @@ static struct decoder_info {
     {{0, 0}, dec_null}
 };
 
-static inline void decode(DisasContext *dc)
+static inline void decode(DisasContext *dc, uint32_t ir)
 {
-    uint32_t ir;
     int i;
 
     if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
         tcg_gen_debug_insn_start(dc->pc);
 
-    dc->ir = ir = ldl_code(dc->pc);
+    dc->ir = ir;
     LOG_DIS("%8.8x\t", dc->ir);
 
     if (dc->ir)
@@ -1796,7 +1801,7 @@ gen_intermediate_code_internal(CPUMBState *env, 
TranslationBlock *tb,
             gen_io_start();
 
         dc->clear_imm = 1;
-       decode(dc);
+        decode(dc, cpu_ldl_code(env, dc->pc));
         if (dc->clear_imm)
             dc->tb_flags &= ~IMM_FLAG;
         dc->pc += 4;
@@ -1871,7 +1876,7 @@ gen_intermediate_code_internal(CPUMBState *env, 
TranslationBlock *tb,
         if (dc->is_jmp != DISAS_JUMP) {
             tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
         }
-        gen_helper_raise_exception(tmp);
+        gen_helper_raise_exception(cpu_env, tmp);
         tcg_temp_free_i32(tmp);
     } else {
         switch(dc->is_jmp) {
-- 
1.7.2.5




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