softmmu: move all load/store functions to cpu_ldst.h

Unify pieces of cpu-all.h, exec-all.h, softmmu_exec.h and tcg/tcg.h
into a single new header file with all helpers.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 193 insertions, 0 deletions

diff --git a/include/exec/cpu_ldst_template.h b/include/exec/cpu_ldst_template.h
new file mode 100644
index 0000000000..006093ac49
--- /dev/null
+++ b/include/exec/cpu_ldst_template.h
@@ -0,0 +1,193 @@
+/*
+ *  Software MMU support
+ *
+ * Generate inline load/store functions for one MMU mode and data
+ * size.
+ *
+ * Generate a store function as well as signed and unsigned loads. For
+ * 32 and 64 bit cases, also generate floating point functions with
+ * the same size.
+ *
+ * Not used directly but included from cpu_ldst.h.
+ *
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * 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, 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 DATA_SIZE == 8
+#define RES_TYPE uint64_t
+#else
+#define RES_TYPE uint32_t
+#endif
+
+#ifdef SOFTMMU_CODE_ACCESS
+#define ADDR_READ addr_code
+#define MMUSUFFIX _cmmu
+#else
+#define ADDR_READ addr_read
+#define MMUSUFFIX _mmu
+#endif
+
+/* generic load/store macros */
+
+static inline RES_TYPE
+glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
+{
+    int page_index;
+    RES_TYPE res;
+    target_ulong addr;
+    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(helper_ld, SUFFIX), MMUSUFFIX)(env, addr, mmu_idx);
+    } else {
+        uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
+        res = glue(glue(ld, USUFFIX), _raw)(hostaddr);
+    }
+    return res;
+}
+
+#if DATA_SIZE <= 2
+static inline int
+glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
+{
+    int res, page_index;
+    target_ulong addr;
+    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(helper_ld, SUFFIX),
+                               MMUSUFFIX)(env, addr, mmu_idx);
+    } else {
+        uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
+        res = glue(glue(lds, SUFFIX), _raw)(hostaddr);
+    }
+    return res;
+}
+#endif
+
+#ifndef SOFTMMU_CODE_ACCESS
+
+/* generic store macro */
+
+static inline void
+glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr,
+                                      RES_TYPE v)
+{
+    int page_index;
+    target_ulong addr;
+    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(helper_st, SUFFIX), MMUSUFFIX)(env, addr, v, mmu_idx);
+    } else {
+        uintptr_t hostaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
+        glue(glue(st, SUFFIX), _raw)(hostaddr, v);
+    }
+}
+
+
+
+#if DATA_SIZE == 8
+static inline float64 glue(cpu_ldfq, MEMSUFFIX)(CPUArchState *env,
+                                                target_ulong ptr)
+{
+    union {
+        float64 d;
+        uint64_t i;
+    } u;
+    u.i = glue(cpu_ldq, MEMSUFFIX)(env, ptr);
+    return u.d;
+}
+
+static inline void glue(cpu_stfq, MEMSUFFIX)(CPUArchState *env,
+                                             target_ulong ptr, float64 v)
+{
+    union {
+        float64 d;
+        uint64_t i;
+    } u;
+    u.d = v;
+    glue(cpu_stq, MEMSUFFIX)(env, ptr, u.i);
+}
+#endif /* DATA_SIZE == 8 */
+
+#if DATA_SIZE == 4
+static inline float32 glue(cpu_ldfl, MEMSUFFIX)(CPUArchState *env,
+                                                target_ulong ptr)
+{
+    union {
+        float32 f;
+        uint32_t i;
+    } u;
+    u.i = glue(cpu_ldl, MEMSUFFIX)(env, ptr);
+    return u.f;
+}
+
+static inline void glue(cpu_stfl, MEMSUFFIX)(CPUArchState *env,
+                                             target_ulong ptr, float32 v)
+{
+    union {
+        float32 f;
+        uint32_t i;
+    } u;
+    u.f = v;
+    glue(cpu_stl, MEMSUFFIX)(env, ptr, u.i);
+}
+#endif /* DATA_SIZE == 4 */
+
+#endif /* !SOFTMMU_CODE_ACCESS */
+
+#undef RES_TYPE
+#undef DATA_TYPE
+#undef DATA_STYPE
+#undef SUFFIX
+#undef USUFFIX
+#undef DATA_SIZE
+#undef MMUSUFFIX
+#undef ADDR_READ