qemu_put signedness fixes, by Andre Przywara.

[qemu] / target-m68k / op_helper.c

diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c
index f5593ec..547f13d 100644 (file)
--- a/target-m68k/op_helper.c
+++ b/target-m68k/op_helper.c
@@ -1,6 +1,6 @@
 /*
  *  M68K helper routines
- * 
+ *
  *  Copyright (c) 2007 CodeSourcery
  *
  * This library is free software; you can redistribute it and/or
@@ -31,7 +31,11 @@ void do_interrupt(int is_hw)
 extern int semihosting_enabled;
 
 #define MMUSUFFIX _mmu
-#define GETPC() (__builtin_return_address(0))
+#ifdef __s390__
+# define GETPC() ((void*)((unsigned long)__builtin_return_address(0) & 0x7fffffffUL))
+#else
+# define GETPC() (__builtin_return_address(0))
+#endif
 
 #define SHIFT 0
 #include "softmmu_template.h"
@@ -49,22 +53,22 @@ extern int semihosting_enabled;
    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 (target_ulong addr, int is_write, int is_user, void *retaddr)
+void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
 {
     TranslationBlock *tb;
     CPUState *saved_env;
-    target_phys_addr_t pc;
+    unsigned long pc;
     int ret;
 
     /* XXX: hack to restore env in all cases, even if not called from
        generated code */
     saved_env = env;
     env = cpu_single_env;
-    ret = cpu_m68k_handle_mmu_fault(env, addr, is_write, is_user, 1);
+    ret = cpu_m68k_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
     if (__builtin_expect(ret, 0)) {
         if (retaddr) {
             /* now we have a real cpu fault */
-            pc = (target_phys_addr_t)retaddr;
+            pc = (unsigned long)retaddr;
             tb = tb_find_pc(pc);
             if (tb) {
                 /* the PC is inside the translated code. It means that we have
@@ -87,6 +91,7 @@ static void do_rte(void)
     env->pc = ldl_kernel(sp + 4);
     sp |= (fmt >> 28) & 3;
     env->sr = fmt & 0xffff;
+    m68k_switch_sp(env);
     env->aregs[7] = sp + 8;
 }
 
@@ -128,16 +133,22 @@ void do_interrupt(int is_hw)
         }
     }
 
-    /* TODO: Implement USP.  */
-    sp = env->aregs[7];
-
     vector = env->exception_index << 2;
 
+    sp = env->aregs[7];
+
     fmt |= 0x40000000;
     fmt |= (sp & 3) << 28;
     fmt |= vector << 16;
     fmt |= env->sr;
 
+    env->sr |= SR_S;
+    if (is_hw) {
+        env->sr = (env->sr & ~SR_I) | (env->pending_level << SR_I_SHIFT);
+        env->sr &= ~SR_M;
+    }
+    m68k_switch_sp(env);
+
     /* ??? This could cause MMU faults.  */
     sp &= ~3;
     sp -= 4;
@@ -145,10 +156,6 @@ void do_interrupt(int is_hw)
     sp -= 4;
     stl_kernel(sp, fmt);
     env->aregs[7] = sp;
-    env->sr |= SR_S;
-    if (is_hw) {
-        env->sr = (env->sr & ~SR_I) | (env->pending_level << SR_I_SHIFT);
-    }
     /* Jump to vector.  */
     env->pc = ldl_kernel(env->vbr + vector);
 }