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authorPaul Brook <paul@codesourcery.com>2010-03-12 16:54:58 +0000
committerPaul Brook <paul@codesourcery.com>2010-03-12 18:34:21 +0000
commit20cb400d41b07f33ed34d5ed917e534c7f12738b (patch)
tree48cd594d36f4d3a91f8aaced83a4ed99ca1c67df
parent41c1b1c9ebb45b97795fa9e58eaa6fedc4eafe0e (diff)
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Remove TLB from userspace
Remove TLB from userspace CPU structure. Signed-off-by: Paul Brook <paul@codesourcery.com>
-rw-r--r--cpu-defs.h17
-rw-r--r--tcg/arm/tcg-target.c2
-rw-r--r--tcg/i386/tcg-target.c2
-rw-r--r--tcg/x86_64/tcg-target.c2
4 files changed, 20 insertions, 3 deletions
diff --git a/cpu-defs.h b/cpu-defs.h
index 7fdbe97787..47c1d85968 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -72,6 +72,7 @@ typedef uint64_t target_ulong;
#define TB_JMP_ADDR_MASK (TB_JMP_PAGE_SIZE - 1)
#define TB_JMP_PAGE_MASK (TB_JMP_CACHE_SIZE - TB_JMP_PAGE_SIZE)
+#if !defined(CONFIG_USER_ONLY)
#define CPU_TLB_BITS 8
#define CPU_TLB_SIZE (1 << CPU_TLB_BITS)
@@ -106,6 +107,18 @@ typedef struct CPUTLBEntry {
sizeof(target_phys_addr_t))];
} CPUTLBEntry;
+#define CPU_COMMON_TLB \
+ /* The meaning of the MMU modes is defined in the target code. */ \
+ CPUTLBEntry tlb_table[NB_MMU_MODES][CPU_TLB_SIZE]; \
+ target_phys_addr_t iotlb[NB_MMU_MODES][CPU_TLB_SIZE]; \
+
+#else
+
+#define CPU_COMMON_TLB
+
+#endif
+
+
#ifdef HOST_WORDS_BIGENDIAN
typedef struct icount_decr_u16 {
uint16_t high;
@@ -150,9 +163,7 @@ typedef struct CPUWatchpoint {
uint32_t stopped; /* Artificially stopped */ \
uint32_t interrupt_request; \
volatile sig_atomic_t exit_request; \
- /* The meaning of the MMU modes is defined in the target code. */ \
- CPUTLBEntry tlb_table[NB_MMU_MODES][CPU_TLB_SIZE]; \
- target_phys_addr_t iotlb[NB_MMU_MODES][CPU_TLB_SIZE]; \
+ CPU_COMMON_TLB \
struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; \
/* buffer for temporaries in the code generator */ \
long temp_buf[CPU_TEMP_BUF_NLONGS]; \
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index dabc0f5bca..6d1ea14def 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -1690,9 +1690,11 @@ static const TCGTargetOpDef arm_op_defs[] = {
void tcg_target_init(TCGContext *s)
{
+#if !defined(CONFIG_USER_ONLY)
/* fail safe */
if ((1 << CPU_TLB_ENTRY_BITS) != sizeof(CPUTLBEntry))
tcg_abort();
+#endif
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0,
((2 << TCG_REG_R14) - 1) & ~(1 << TCG_REG_R8));
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index b69b5b0c8c..09c73b4396 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -1353,9 +1353,11 @@ void tcg_target_qemu_prologue(TCGContext *s)
void tcg_target_init(TCGContext *s)
{
+#if !defined(CONFIG_USER_ONLY)
/* fail safe */
if ((1 << CPU_TLB_ENTRY_BITS) != sizeof(CPUTLBEntry))
tcg_abort();
+#endif
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xff);
tcg_regset_set32(tcg_target_call_clobber_regs, 0,
diff --git a/tcg/x86_64/tcg-target.c b/tcg/x86_64/tcg-target.c
index 6e7a6a42f9..ea313fa87a 100644
--- a/tcg/x86_64/tcg-target.c
+++ b/tcg/x86_64/tcg-target.c
@@ -1426,9 +1426,11 @@ static const TCGTargetOpDef x86_64_op_defs[] = {
void tcg_target_init(TCGContext *s)
{
+#if !defined(CONFIG_USER_ONLY)
/* fail safe */
if ((1 << CPU_TLB_ENTRY_BITS) != sizeof(CPUTLBEntry))
tcg_abort();
+#endif
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffff);
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffff);