/*
* Software MMU support
- *
+ *
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#if DATA_SIZE == 8
#define SUFFIX q
+#define USUFFIX q
#define DATA_TYPE uint64_t
#elif DATA_SIZE == 4
#define SUFFIX l
+#define USUFFIX l
#define DATA_TYPE uint32_t
#elif DATA_SIZE == 2
#define SUFFIX w
+#define USUFFIX uw
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#elif DATA_SIZE == 1
#define SUFFIX b
+#define USUFFIX ub
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#else
#error unsupported data size
#endif
-#if MEMUSER == 0
-#define MEMSUFFIX _kernel
+#if ACCESS_TYPE < (NB_MMU_MODES)
+
+#define CPU_MMU_INDEX ACCESS_TYPE
+#define MMUSUFFIX _mmu
+
+#elif ACCESS_TYPE == (NB_MMU_MODES)
+
+#define CPU_MMU_INDEX (cpu_mmu_index(env))
+#define MMUSUFFIX _mmu
+
+#elif ACCESS_TYPE == (NB_MMU_MODES + 1)
+
+#define CPU_MMU_INDEX (cpu_mmu_index(env))
+#define MMUSUFFIX _cmmu
+
#else
-#define MEMSUFFIX _user
+#error invalid ACCESS_TYPE
#endif
#if DATA_SIZE == 8
#define RES_TYPE uint64_t
#else
-#define RES_TYPE int
+#define RES_TYPE uint32_t
#endif
-
-#if MEMUSER == 0
-DATA_TYPE __attribute((regparm(1))) glue(glue(__ld, SUFFIX), _mmu)(unsigned long addr);
-void __attribute((regparm(2))) glue(glue(__st, SUFFIX), _mmu)(unsigned long addr, DATA_TYPE v);
+#if ACCESS_TYPE == (NB_MMU_MODES + 1)
+#define ADDR_READ addr_code
+#else
+#define ADDR_READ addr_read
#endif
-static inline int glue(glue(ldu, SUFFIX), MEMSUFFIX)(void *ptr)
+/* generic load/store macros */
+
+static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
{
- int index;
+ int page_index;
RES_TYPE res;
- unsigned long addr, physaddr;
- addr = (unsigned long)ptr;
- index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
- if (__builtin_expect(env->tlb_read[MEMUSER][index].address !=
- (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
- res = glue(glue(__ld, SUFFIX), _mmu)(addr);
+ target_ulong addr;
+ unsigned long physaddr;
+ int mmu_idx;
+
+ addr = ptr;
+ page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+ mmu_idx = CPU_MMU_INDEX;
+ if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
+ (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
+ res = glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx);
} else {
- physaddr = addr + env->tlb_read[MEMUSER][index].addend;
- res = glue(glue(ldu, SUFFIX), _raw)((uint8_t *)physaddr);
+ physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
+ res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
}
return res;
}
#if DATA_SIZE <= 2
-static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(void *ptr)
+static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
{
- int res, index;
- unsigned long addr, physaddr;
- addr = (unsigned long)ptr;
- index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
- if (__builtin_expect(env->tlb_read[MEMUSER][index].address !=
- (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
- res = (DATA_STYPE)glue(glue(__ld, SUFFIX), _mmu)(addr);
+ int res, page_index;
+ target_ulong addr;
+ unsigned long physaddr;
+ int mmu_idx;
+
+ addr = ptr;
+ page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+ mmu_idx = CPU_MMU_INDEX;
+ if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
+ (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
+ res = (DATA_STYPE)glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx);
} else {
- physaddr = addr + env->tlb_read[MEMUSER][index].addend;
+ physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
res = glue(glue(lds, SUFFIX), _raw)((uint8_t *)physaddr);
}
return res;
}
#endif
-static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(void *ptr, RES_TYPE v)
+#if ACCESS_TYPE != (NB_MMU_MODES + 1)
+
+/* generic store macro */
+
+static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
{
- int index;
- unsigned long addr, physaddr;
- addr = (unsigned long)ptr;
- index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
- if (__builtin_expect(env->tlb_write[MEMUSER][index].address !=
- (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
- glue(glue(__st, SUFFIX), _mmu)(addr, v);
+ int page_index;
+ target_ulong addr;
+ unsigned long physaddr;
+ int mmu_idx;
+
+ addr = ptr;
+ page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+ mmu_idx = CPU_MMU_INDEX;
+ if (unlikely(env->tlb_table[mmu_idx][page_index].addr_write !=
+ (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
+ glue(glue(__st, SUFFIX), MMUSUFFIX)(addr, v, mmu_idx);
} else {
- physaddr = addr + env->tlb_write[MEMUSER][index].addend;
+ physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, v);
}
}
+#endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */
+
+#if ACCESS_TYPE != (NB_MMU_MODES + 1)
+
+#if DATA_SIZE == 8
+static inline float64 glue(ldfq, MEMSUFFIX)(target_ulong ptr)
+{
+ union {
+ float64 d;
+ uint64_t i;
+ } u;
+ u.i = glue(ldq, MEMSUFFIX)(ptr);
+ return u.d;
+}
+
+static inline void glue(stfq, MEMSUFFIX)(target_ulong ptr, float64 v)
+{
+ union {
+ float64 d;
+ uint64_t i;
+ } u;
+ u.d = v;
+ glue(stq, MEMSUFFIX)(ptr, u.i);
+}
+#endif /* DATA_SIZE == 8 */
+
+#if DATA_SIZE == 4
+static inline float32 glue(ldfl, MEMSUFFIX)(target_ulong ptr)
+{
+ union {
+ float32 f;
+ uint32_t i;
+ } u;
+ u.i = glue(ldl, MEMSUFFIX)(ptr);
+ return u.f;
+}
+
+static inline void glue(stfl, MEMSUFFIX)(target_ulong ptr, float32 v)
+{
+ union {
+ float32 f;
+ uint32_t i;
+ } u;
+ u.f = v;
+ glue(stl, MEMSUFFIX)(ptr, u.i);
+}
+#endif /* DATA_SIZE == 4 */
+
+#endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */
+
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
#undef SUFFIX
+#undef USUFFIX
#undef DATA_SIZE
-#undef MEMSUFFIX
+#undef CPU_MMU_INDEX
+#undef MMUSUFFIX
+#undef ADDR_READ
projects / qemu.git / blobdiff