[Qemu-devel] [PATCH 09/25] Allow 5 mmu indexes.

[Tristan Gingold <gingold@adacore.com>]

This is necessary for alpha because it has 4 protection levels and pal mode.

Signed-off-by: Tristan Gingold <gingold@adacore.com>
---
 exec.c         |   30 +++++++++++++++++++++++++-----
 softmmu_exec.h |   29 ++++++++++++++++++++++++-----
 2 files changed, 49 insertions(+), 10 deletions(-)

diff --git a/exec.c b/exec.c
index 12d35b0..472b6c4 100644
--- a/exec.c
+++ b/exec.c
@@ -1760,12 +1760,18 @@ void tlb_flush(CPUState *env, int flush_global)
         env->tlb_table[2][i].addr_read = -1;
         env->tlb_table[2][i].addr_write = -1;
         env->tlb_table[2][i].addr_code = -1;
-#if (NB_MMU_MODES == 4)
+#endif
+#if (NB_MMU_MODES >= 4)
         env->tlb_table[3][i].addr_read = -1;
         env->tlb_table[3][i].addr_write = -1;
         env->tlb_table[3][i].addr_code = -1;
 #endif
+#if (NB_MMU_MODES >= 5)
+        env->tlb_table[4][i].addr_read = -1;
+        env->tlb_table[4][i].addr_write = -1;
+        env->tlb_table[4][i].addr_code = -1;
 #endif
+
     }
 
     memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *));
@@ -1809,9 +1815,12 @@ void tlb_flush_page(CPUState *env, target_ulong addr)
     tlb_flush_entry(&env->tlb_table[1][i], addr);
 #if (NB_MMU_MODES >= 3)
     tlb_flush_entry(&env->tlb_table[2][i], addr);
-#if (NB_MMU_MODES == 4)
+#endif
+#if (NB_MMU_MODES >= 4)
     tlb_flush_entry(&env->tlb_table[3][i], addr);
 #endif
+#if (NB_MMU_MODES >= 5)
+    tlb_flush_entry(&env->tlb_table[4][i], addr);
 #endif
 
     tlb_flush_jmp_cache(env, addr);
@@ -1895,10 +1904,14 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
 #if (NB_MMU_MODES >= 3)
         for(i = 0; i < CPU_TLB_SIZE; i++)
             tlb_reset_dirty_range(&env->tlb_table[2][i], start1, length);
-#if (NB_MMU_MODES == 4)
+#endif
+#if (NB_MMU_MODES >= 4)
         for(i = 0; i < CPU_TLB_SIZE; i++)
             tlb_reset_dirty_range(&env->tlb_table[3][i], start1, length);
 #endif
+#if (NB_MMU_MODES >= 5)
+        for(i = 0; i < CPU_TLB_SIZE; i++)
+            tlb_reset_dirty_range(&env->tlb_table[4][i], start1, length);
 #endif
     }
 }
@@ -1944,10 +1957,14 @@ void cpu_tlb_update_dirty(CPUState *env)
 #if (NB_MMU_MODES >= 3)
     for(i = 0; i < CPU_TLB_SIZE; i++)
         tlb_update_dirty(&env->tlb_table[2][i]);
-#if (NB_MMU_MODES == 4)
+#endif
+#if (NB_MMU_MODES >= 4)
     for(i = 0; i < CPU_TLB_SIZE; i++)
         tlb_update_dirty(&env->tlb_table[3][i]);
 #endif
+#if (NB_MMU_MODES >= 5)
+    for(i = 0; i < CPU_TLB_SIZE; i++)
+        tlb_update_dirty(&env->tlb_table[4][i]);
 #endif
 }
 
@@ -1969,9 +1986,12 @@ static inline void tlb_set_dirty(CPUState *env, target_ulong vaddr)
     tlb_set_dirty1(&env->tlb_table[1][i], vaddr);
 #if (NB_MMU_MODES >= 3)
     tlb_set_dirty1(&env->tlb_table[2][i], vaddr);
-#if (NB_MMU_MODES == 4)
+#endif
+#if (NB_MMU_MODES >= 4)
     tlb_set_dirty1(&env->tlb_table[3][i], vaddr);
 #endif
+#if (NB_MMU_MODES >= 5)
+    tlb_set_dirty1(&env->tlb_table[4][i], vaddr);
 #endif
 }
 
diff --git a/softmmu_exec.h b/softmmu_exec.h
index 9cc4535..8eaa0ad 100644
--- a/softmmu_exec.h
+++ b/softmmu_exec.h
@@ -60,6 +60,7 @@
 #include "softmmu_header.h"
 #undef ACCESS_TYPE
 #undef MEMSUFFIX
+#endif /* (NB_MMU_MODES >= 3) */
 
 #if (NB_MMU_MODES >= 4)
 
@@ -78,12 +79,30 @@
 #include "softmmu_header.h"
 #undef ACCESS_TYPE
 #undef MEMSUFFIX
+#endif /* (NB_MMU_MODES >= 4) */
 
-#if (NB_MMU_MODES > 4)
-#error "NB_MMU_MODES > 4 is not supported for now"
-#endif /* (NB_MMU_MODES > 4) */
-#endif /* (NB_MMU_MODES == 4) */
-#endif /* (NB_MMU_MODES >= 3) */
+#if (NB_MMU_MODES >= 5)
+
+#define ACCESS_TYPE 4
+#define MEMSUFFIX MMU_MODE4_SUFFIX
+#define DATA_SIZE 1
+#include "softmmu_header.h"
+
+#define DATA_SIZE 2
+#include "softmmu_header.h"
+
+#define DATA_SIZE 4
+#include "softmmu_header.h"
+
+#define DATA_SIZE 8
+#include "softmmu_header.h"
+#undef ACCESS_TYPE
+#undef MEMSUFFIX
+#endif /* (NB_MMU_MODES >= 4) */
+
+#if (NB_MMU_MODES > 5)
+#error "NB_MMU_MODES > 5 is not supported for now"
+#endif /* (NB_MMU_MODES > 5) */
 
 /* these access are slower, they must be as rare as possible */
 #define ACCESS_TYPE (NB_MMU_MODES)
-- 
1.6.2