Code provision for n32/n64 mips userland emulation. Not functional yet.

[qemu] / target-mips / helper.c

diff --git a/target-mips/helper.c b/target-mips/helper.c
index 7424cda..9c72481 100644 (file)
--- a/target-mips/helper.c
+++ b/target-mips/helper.c
@@ -76,7 +76,7 @@ int r4k_map_address (CPUState *env, target_ulong *physical, int *prot,
         target_ulong mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
         target_ulong tag = address & ~mask;
         target_ulong VPN = tlb->VPN & ~mask;
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
         tag &= env->SEGMask;
 #endif
 
@@ -108,7 +108,7 @@ static int get_physical_address (CPUState *env, target_ulong *physical,
     int user_mode = (env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM;
     int supervisor_mode = (env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_SM;
     int kernel_mode = !user_mode && !supervisor_mode;
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
     int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0;
     int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0;
     int KX = (env->CP0_Status & (1 << CP0St_KX)) != 0;
@@ -130,7 +130,7 @@ static int get_physical_address (CPUState *env, target_ulong *physical,
         } else {
             ret = env->tlb->map_address(env, physical, prot, address, rw, access_type);
         }
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
 /*
    XXX: Assuming :
    - PABITS = 36 (correct for MIPS64R1)
@@ -308,7 +308,7 @@ int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
                           ((address >> 9) &   0x007ffff0);
         env->CP0_EntryHi =
             (env->CP0_EntryHi & 0xFF) | (address & (TARGET_PAGE_MASK << 1));
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
         env->CP0_EntryHi &= env->SEGMask;
         env->CP0_XContext = (env->CP0_XContext & ((~0ULL) << (env->SEGBITS - 7))) |
                             ((address & 0xC00000000000ULL) >> (env->SEGBITS - 9)) |
@@ -428,7 +428,7 @@ void do_interrupt (CPUState *env)
     case EXCP_TLBL:
         cause = 2;
         if (env->error_code == 1 && !(env->CP0_Status & (1 << CP0St_EXL))) {
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
             int R = env->CP0_BadVAddr >> 62;
             int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0;
             int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0;
@@ -479,7 +479,7 @@ void do_interrupt (CPUState *env)
     case EXCP_THREAD:
         cause = 25;
         if (env->error_code == 1 && !(env->CP0_Status & (1 << CP0St_EXL))) {
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
             int R = env->CP0_BadVAddr >> 62;
             int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0;
             int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0;
@@ -562,7 +562,7 @@ void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra)
     mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
     if (tlb->V0) {
         addr = tlb->VPN & ~mask;
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
         if (addr >= (0xFFFFFFFF80000000ULL & env->SEGMask)) {
             addr |= 0x3FFFFF0000000000ULL;
         }
@@ -575,7 +575,7 @@ void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra)
     }
     if (tlb->V1) {
         addr = (tlb->VPN & ~mask) | ((mask >> 1) + 1);
-#ifdef TARGET_MIPS64
+#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
         if (addr >= (0xFFFFFFFF80000000ULL & env->SEGMask)) {
             addr |= 0x3FFFFF0000000000ULL;
         }