find -type f | xargs sed -i 's/[\t ]$//g' # on most files

[qemu.git] / cpu-defs.h

diff --git a/cpu-defs.h b/cpu-defs.h
index c58d271391025f4d594bc4e01a90f17544458fe1..e474152d507302a9c9a409053e9a2a07d232b479 100644 (file)
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -1,6 +1,6 @@
 /*
  * common defines for all CPUs
- * 
+ *
  * Copyright (c) 2003 Fabrice Bellard
  *
  * This library is free software; you can redistribute it and/or
@@ -29,7 +29,7 @@
 #error TARGET_LONG_BITS must be defined before including this header
 #endif
 
-#ifndef TARGET_PHYS_ADDR_BITS 
+#ifndef TARGET_PHYS_ADDR_BITS
 #if TARGET_LONG_BITS >= HOST_LONG_BITS
 #define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS
 #else
@@ -44,10 +44,12 @@
 typedef int32_t target_long;
 typedef uint32_t target_ulong;
 #define TARGET_FMT_lx "%08x"
+#define TARGET_FMT_ld "%d"
 #elif TARGET_LONG_SIZE == 8
 typedef int64_t target_long;
 typedef uint64_t target_ulong;
-#define TARGET_FMT_lx "%016llx"
+#define TARGET_FMT_lx "%016" PRIx64
+#define TARGET_FMT_ld "%" PRId64
 #else
 #error TARGET_LONG_SIZE undefined
 #endif
@@ -60,32 +62,93 @@ typedef uint64_t target_ulong;
 
 #if TARGET_PHYS_ADDR_BITS == 32
 typedef uint32_t target_phys_addr_t;
+#define TARGET_FMT_plx "%08x"
 #elif TARGET_PHYS_ADDR_BITS == 64
 typedef uint64_t target_phys_addr_t;
+#define TARGET_FMT_plx "%016" PRIx64
 #else
 #error TARGET_PHYS_ADDR_BITS undefined
 #endif
 
-#define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
+/* address in the RAM (different from a physical address) */
+typedef unsigned long ram_addr_t;
 
-#define EXCP_INTERRUPT         256 /* async interruption */
-#define EXCP_HLT        257 /* hlt instruction reached */
-#define EXCP_DEBUG      258 /* cpu stopped after a breakpoint or singlestep */
+#define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
 
+#define EXCP_INTERRUPT         0x10000 /* async interruption */
+#define EXCP_HLT        0x10001 /* hlt instruction reached */
+#define EXCP_DEBUG      0x10002 /* cpu stopped after a breakpoint or singlestep */
+#define EXCP_HALTED     0x10003 /* cpu is halted (waiting for external event) */
 #define MAX_BREAKPOINTS 32
+#define MAX_WATCHPOINTS 32
+
+#define TB_JMP_CACHE_BITS 12
+#define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)
+
+/* Only the bottom TB_JMP_PAGE_BITS of the jump cache hash bits vary for
+   addresses on the same page.  The top bits are the same.  This allows
+   TLB invalidation to quickly clear a subset of the hash table.  */
+#define TB_JMP_PAGE_BITS (TB_JMP_CACHE_BITS / 2)
+#define TB_JMP_PAGE_SIZE (1 << TB_JMP_PAGE_BITS)
+#define TB_JMP_ADDR_MASK (TB_JMP_PAGE_SIZE - 1)
+#define TB_JMP_PAGE_MASK (TB_JMP_CACHE_SIZE - TB_JMP_PAGE_SIZE)
 
-#define CPU_TLB_SIZE 256
+#define CPU_TLB_BITS 8
+#define CPU_TLB_SIZE (1 << CPU_TLB_BITS)
 
 typedef struct CPUTLBEntry {
-    /* bit 31 to TARGET_PAGE_BITS : virtual address 
+    /* bit 31 to TARGET_PAGE_BITS : virtual address
        bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
                                               zone number
        bit 3                      : indicates that the entry is invalid
        bit 2..0                   : zero
     */
-    target_ulong address; 
+    target_ulong addr_read;
+    target_ulong addr_write;
+    target_ulong addr_code;
     /* addend to virtual address to get physical address */
-    target_phys_addr_t addend; 
+    target_phys_addr_t addend;
 } CPUTLBEntry;
 
+/* Alpha has 4 different running levels */
+#if defined(TARGET_ALPHA)
+#define NB_MMU_MODES 4
+#elif defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */
+#define NB_MMU_MODES 3
+#else
+#define NB_MMU_MODES 2
+#endif
+
+#define CPU_COMMON                                                      \
+    struct TranslationBlock *current_tb; /* currently executing TB  */  \
+    /* soft mmu support */                                              \
+    /* in order to avoid passing too many arguments to the memory       \
+       write helpers, we store some rarely used information in the CPU  \
+       context) */                                                      \
+    unsigned long mem_write_pc; /* host pc at which the memory was      \
+                                   written */                           \
+    target_ulong mem_write_vaddr; /* target virtual addr at which the   \
+                                     memory was written */              \
+    /* 0 = kernel, 1 = user */                                          \
+    CPUTLBEntry tlb_table[NB_MMU_MODES][CPU_TLB_SIZE];                  \
+    struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE];           \
+                                                                        \
+    /* from this point: preserved by CPU reset */                       \
+    /* ice debug support */                                             \
+    target_ulong breakpoints[MAX_BREAKPOINTS];                          \
+    int nb_breakpoints;                                                 \
+    int singlestep_enabled;                                             \
+                                                                        \
+    struct {                                                            \
+        target_ulong vaddr;                                             \
+        target_phys_addr_t addend;                                      \
+    } watchpoint[MAX_WATCHPOINTS];                                      \
+    int nb_watchpoints;                                                 \
+    int watchpoint_hit;                                                 \
+                                                                        \
+    void *next_cpu; /* next CPU sharing TB cache */                     \
+    int cpu_index; /* CPU index (informative) */                        \
+    /* user data */                                                     \
+    void *opaque;
+
 #endif