aboutsummaryrefslogtreecommitdiff
path: root/accel/tcg/user-exec.c
diff options
context:
space:
mode:
Diffstat (limited to 'accel/tcg/user-exec.c')
-rw-r--r--accel/tcg/user-exec.c351
1 files changed, 253 insertions, 98 deletions
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index b89fa35a83..d9f9766b7f 100644
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -889,21 +889,6 @@ void page_reset_target_data(target_ulong start, target_ulong last) { }
/* The softmmu versions of these helpers are in cputlb.c. */
-/*
- * Verify that we have passed the correct MemOp to the correct function.
- *
- * We could present one function to target code, and dispatch based on
- * the MemOp, but so far we have worked hard to avoid an indirect function
- * call along the memory path.
- */
-static void validate_memop(MemOpIdx oi, MemOp expected)
-{
-#ifdef CONFIG_DEBUG_TCG
- MemOp have = get_memop(oi) & (MO_SIZE | MO_BSWAP);
- assert(have == expected);
-#endif
-}
-
void helper_unaligned_ld(CPUArchState *env, target_ulong addr)
{
cpu_loop_exit_sigbus(env_cpu(env), addr, MMU_DATA_LOAD, GETPC());
@@ -914,10 +899,9 @@ void helper_unaligned_st(CPUArchState *env, target_ulong addr)
cpu_loop_exit_sigbus(env_cpu(env), addr, MMU_DATA_STORE, GETPC());
}
-static void *cpu_mmu_lookup(CPUArchState *env, target_ulong addr,
- MemOpIdx oi, uintptr_t ra, MMUAccessType type)
+static void *cpu_mmu_lookup(CPUArchState *env, abi_ptr addr,
+ MemOp mop, uintptr_t ra, MMUAccessType type)
{
- MemOp mop = get_memop(oi);
int a_bits = get_alignment_bits(mop);
void *ret;
@@ -933,100 +917,206 @@ static void *cpu_mmu_lookup(CPUArchState *env, target_ulong addr,
#include "ldst_atomicity.c.inc"
-uint8_t cpu_ldb_mmu(CPUArchState *env, abi_ptr addr,
- MemOpIdx oi, uintptr_t ra)
+static uint8_t do_ld1_mmu(CPUArchState *env, abi_ptr addr,
+ MemOp mop, uintptr_t ra)
{
void *haddr;
uint8_t ret;
- validate_memop(oi, MO_UB);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
+ tcg_debug_assert((mop & MO_SIZE) == MO_8);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_LOAD);
ret = ldub_p(haddr);
clear_helper_retaddr();
+ return ret;
+}
+
+tcg_target_ulong helper_ldub_mmu(CPUArchState *env, target_ulong addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ return do_ld1_mmu(env, addr, get_memop(oi), ra);
+}
+
+tcg_target_ulong helper_ldsb_mmu(CPUArchState *env, target_ulong addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ return (int8_t)do_ld1_mmu(env, addr, get_memop(oi), ra);
+}
+
+uint8_t cpu_ldb_mmu(CPUArchState *env, abi_ptr addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ uint8_t ret = do_ld1_mmu(env, addr, get_memop(oi), ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
return ret;
}
-uint16_t cpu_ldw_be_mmu(CPUArchState *env, abi_ptr addr,
- MemOpIdx oi, uintptr_t ra)
+static uint16_t do_ld2_he_mmu(CPUArchState *env, abi_ptr addr,
+ MemOp mop, uintptr_t ra)
{
void *haddr;
uint16_t ret;
- validate_memop(oi, MO_BEUW);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
- ret = load_atom_2(env, ra, haddr, get_memop(oi));
+ tcg_debug_assert((mop & MO_SIZE) == MO_16);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_LOAD);
+ ret = load_atom_2(env, ra, haddr, mop);
clear_helper_retaddr();
+ return ret;
+}
+
+tcg_target_ulong helper_lduw_mmu(CPUArchState *env, target_ulong addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+ uint16_t ret = do_ld2_he_mmu(env, addr, mop, ra);
+
+ if (mop & MO_BSWAP) {
+ ret = bswap16(ret);
+ }
+ return ret;
+}
+
+tcg_target_ulong helper_ldsw_mmu(CPUArchState *env, target_ulong addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+ int16_t ret = do_ld2_he_mmu(env, addr, mop, ra);
+
+ if (mop & MO_BSWAP) {
+ ret = bswap16(ret);
+ }
+ return ret;
+}
+
+uint16_t cpu_ldw_be_mmu(CPUArchState *env, abi_ptr addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+ uint16_t ret;
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_BE);
+ ret = do_ld2_he_mmu(env, addr, mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
return cpu_to_be16(ret);
}
-uint32_t cpu_ldl_be_mmu(CPUArchState *env, abi_ptr addr,
+uint16_t cpu_ldw_le_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
+ MemOp mop = get_memop(oi);
+ uint16_t ret;
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_LE);
+ ret = do_ld2_he_mmu(env, addr, mop, ra);
+ qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
+ return cpu_to_le16(ret);
+}
+
+static uint32_t do_ld4_he_mmu(CPUArchState *env, abi_ptr addr,
+ MemOp mop, uintptr_t ra)
+{
void *haddr;
uint32_t ret;
- validate_memop(oi, MO_BEUL);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
- ret = load_atom_4(env, ra, haddr, get_memop(oi));
+ tcg_debug_assert((mop & MO_SIZE) == MO_32);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_LOAD);
+ ret = load_atom_4(env, ra, haddr, mop);
clear_helper_retaddr();
+ return ret;
+}
+
+tcg_target_ulong helper_ldul_mmu(CPUArchState *env, target_ulong addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+ uint32_t ret = do_ld4_he_mmu(env, addr, mop, ra);
+
+ if (mop & MO_BSWAP) {
+ ret = bswap32(ret);
+ }
+ return ret;
+}
+
+tcg_target_ulong helper_ldsl_mmu(CPUArchState *env, target_ulong addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+ int32_t ret = do_ld4_he_mmu(env, addr, mop, ra);
+
+ if (mop & MO_BSWAP) {
+ ret = bswap32(ret);
+ }
+ return ret;
+}
+
+uint32_t cpu_ldl_be_mmu(CPUArchState *env, abi_ptr addr,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+ uint32_t ret;
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_BE);
+ ret = do_ld4_he_mmu(env, addr, mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
return cpu_to_be32(ret);
}
-uint64_t cpu_ldq_be_mmu(CPUArchState *env, abi_ptr addr,
+uint32_t cpu_ldl_le_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
+ MemOp mop = get_memop(oi);
+ uint32_t ret;
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_LE);
+ ret = do_ld4_he_mmu(env, addr, mop, ra);
+ qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
+ return cpu_to_le32(ret);
+}
+
+static uint64_t do_ld8_he_mmu(CPUArchState *env, abi_ptr addr,
+ MemOp mop, uintptr_t ra)
+{
void *haddr;
uint64_t ret;
- validate_memop(oi, MO_BEUQ);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
- ret = load_atom_8(env, ra, haddr, get_memop(oi));
+ tcg_debug_assert((mop & MO_SIZE) == MO_64);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_LOAD);
+ ret = load_atom_8(env, ra, haddr, mop);
clear_helper_retaddr();
- qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
- return cpu_to_be64(ret);
+ return ret;
}
-uint16_t cpu_ldw_le_mmu(CPUArchState *env, abi_ptr addr,
+uint64_t helper_ldq_mmu(CPUArchState *env, target_ulong addr,
MemOpIdx oi, uintptr_t ra)
{
- void *haddr;
- uint16_t ret;
+ MemOp mop = get_memop(oi);
+ uint64_t ret = do_ld8_he_mmu(env, addr, mop, ra);
- validate_memop(oi, MO_LEUW);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
- ret = load_atom_2(env, ra, haddr, get_memop(oi));
- clear_helper_retaddr();
- qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
- return cpu_to_le16(ret);
+ if (mop & MO_BSWAP) {
+ ret = bswap64(ret);
+ }
+ return ret;
}
-uint32_t cpu_ldl_le_mmu(CPUArchState *env, abi_ptr addr,
+uint64_t cpu_ldq_be_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
- void *haddr;
- uint32_t ret;
+ MemOp mop = get_memop(oi);
+ uint64_t ret;
- validate_memop(oi, MO_LEUL);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
- ret = load_atom_4(env, ra, haddr, get_memop(oi));
- clear_helper_retaddr();
+ tcg_debug_assert((mop & MO_BSWAP) == MO_BE);
+ ret = do_ld8_he_mmu(env, addr, mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
- return cpu_to_le32(ret);
+ return cpu_to_be64(ret);
}
uint64_t cpu_ldq_le_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra)
{
- void *haddr;
+ MemOp mop = get_memop(oi);
uint64_t ret;
- validate_memop(oi, MO_LEUQ);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
- ret = load_atom_8(env, ra, haddr, get_memop(oi));
- clear_helper_retaddr();
+ tcg_debug_assert((mop & MO_BSWAP) == MO_LE);
+ ret = do_ld8_he_mmu(env, addr, mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_R);
return cpu_to_le64(ret);
}
@@ -1037,7 +1127,7 @@ Int128 cpu_ld16_be_mmu(CPUArchState *env, abi_ptr addr,
void *haddr;
Int128 ret;
- validate_memop(oi, MO_128 | MO_BE);
+ tcg_debug_assert((get_memop(oi) & (MO_BSWAP | MO_SIZE)) == (MO_128 | MO_BE));
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
memcpy(&ret, haddr, 16);
clear_helper_retaddr();
@@ -1055,7 +1145,7 @@ Int128 cpu_ld16_le_mmu(CPUArchState *env, abi_ptr addr,
void *haddr;
Int128 ret;
- validate_memop(oi, MO_128 | MO_LE);
+ tcg_debug_assert((get_memop(oi) & (MO_BSWAP | MO_SIZE)) == (MO_128 | MO_LE));
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
memcpy(&ret, haddr, 16);
clear_helper_retaddr();
@@ -1067,87 +1157,153 @@ Int128 cpu_ld16_le_mmu(CPUArchState *env, abi_ptr addr,
return ret;
}
-void cpu_stb_mmu(CPUArchState *env, abi_ptr addr, uint8_t val,
- MemOpIdx oi, uintptr_t ra)
+static void do_st1_mmu(CPUArchState *env, abi_ptr addr, uint8_t val,
+ MemOp mop, uintptr_t ra)
{
void *haddr;
- validate_memop(oi, MO_UB);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
+ tcg_debug_assert((mop & MO_SIZE) == MO_8);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_STORE);
stb_p(haddr, val);
clear_helper_retaddr();
- qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
-void cpu_stw_be_mmu(CPUArchState *env, abi_ptr addr, uint16_t val,
+void helper_stb_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
MemOpIdx oi, uintptr_t ra)
{
- void *haddr;
+ do_st1_mmu(env, addr, val, get_memop(oi), ra);
+}
- validate_memop(oi, MO_BEUW);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
- store_atom_2(env, ra, haddr, get_memop(oi), be16_to_cpu(val));
- clear_helper_retaddr();
+void cpu_stb_mmu(CPUArchState *env, abi_ptr addr, uint8_t val,
+ MemOpIdx oi, uintptr_t ra)
+{
+ do_st1_mmu(env, addr, val, get_memop(oi), ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
-void cpu_stl_be_mmu(CPUArchState *env, abi_ptr addr, uint32_t val,
- MemOpIdx oi, uintptr_t ra)
+static void do_st2_he_mmu(CPUArchState *env, abi_ptr addr, uint16_t val,
+ MemOp mop, uintptr_t ra)
{
void *haddr;
- validate_memop(oi, MO_BEUL);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
- store_atom_4(env, ra, haddr, get_memop(oi), be32_to_cpu(val));
+ tcg_debug_assert((mop & MO_SIZE) == MO_16);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_STORE);
+ store_atom_2(env, ra, haddr, mop, val);
clear_helper_retaddr();
- qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
-void cpu_stq_be_mmu(CPUArchState *env, abi_ptr addr, uint64_t val,
+void helper_stw_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
MemOpIdx oi, uintptr_t ra)
{
- void *haddr;
+ MemOp mop = get_memop(oi);
- validate_memop(oi, MO_BEUQ);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
- store_atom_8(env, ra, haddr, get_memop(oi), be64_to_cpu(val));
- clear_helper_retaddr();
+ if (mop & MO_BSWAP) {
+ val = bswap16(val);
+ }
+ do_st2_he_mmu(env, addr, val, mop, ra);
+}
+
+void cpu_stw_be_mmu(CPUArchState *env, abi_ptr addr, uint16_t val,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_BE);
+ do_st2_he_mmu(env, addr, be16_to_cpu(val), mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
void cpu_stw_le_mmu(CPUArchState *env, abi_ptr addr, uint16_t val,
MemOpIdx oi, uintptr_t ra)
{
+ MemOp mop = get_memop(oi);
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_LE);
+ do_st2_he_mmu(env, addr, le16_to_cpu(val), mop, ra);
+ qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
+}
+
+static void do_st4_he_mmu(CPUArchState *env, abi_ptr addr, uint32_t val,
+ MemOp mop, uintptr_t ra)
+{
void *haddr;
- validate_memop(oi, MO_LEUW);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
- store_atom_2(env, ra, haddr, get_memop(oi), le16_to_cpu(val));
+ tcg_debug_assert((mop & MO_SIZE) == MO_32);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_STORE);
+ store_atom_4(env, ra, haddr, mop, val);
clear_helper_retaddr();
+}
+
+void helper_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+
+ if (mop & MO_BSWAP) {
+ val = bswap32(val);
+ }
+ do_st4_he_mmu(env, addr, val, mop, ra);
+}
+
+void cpu_stl_be_mmu(CPUArchState *env, abi_ptr addr, uint32_t val,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_BE);
+ do_st4_he_mmu(env, addr, be32_to_cpu(val), mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
void cpu_stl_le_mmu(CPUArchState *env, abi_ptr addr, uint32_t val,
MemOpIdx oi, uintptr_t ra)
{
+ MemOp mop = get_memop(oi);
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_LE);
+ do_st4_he_mmu(env, addr, le32_to_cpu(val), mop, ra);
+ qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
+}
+
+static void do_st8_he_mmu(CPUArchState *env, abi_ptr addr, uint64_t val,
+ MemOp mop, uintptr_t ra)
+{
void *haddr;
- validate_memop(oi, MO_LEUL);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
- store_atom_4(env, ra, haddr, get_memop(oi), le32_to_cpu(val));
+ tcg_debug_assert((mop & MO_SIZE) == MO_64);
+ haddr = cpu_mmu_lookup(env, addr, mop, ra, MMU_DATA_STORE);
+ store_atom_8(env, ra, haddr, mop, val);
clear_helper_retaddr();
+}
+
+void helper_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+
+ if (mop & MO_BSWAP) {
+ val = bswap64(val);
+ }
+ do_st8_he_mmu(env, addr, val, mop, ra);
+}
+
+void cpu_stq_be_mmu(CPUArchState *env, abi_ptr addr, uint64_t val,
+ MemOpIdx oi, uintptr_t ra)
+{
+ MemOp mop = get_memop(oi);
+
+ tcg_debug_assert((mop & MO_BSWAP) == MO_BE);
+ do_st8_he_mmu(env, addr, cpu_to_be64(val), mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
void cpu_stq_le_mmu(CPUArchState *env, abi_ptr addr, uint64_t val,
MemOpIdx oi, uintptr_t ra)
{
- void *haddr;
+ MemOp mop = get_memop(oi);
- validate_memop(oi, MO_LEUQ);
- haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
- store_atom_8(env, ra, haddr, get_memop(oi), le64_to_cpu(val));
- clear_helper_retaddr();
+ tcg_debug_assert((mop & MO_BSWAP) == MO_LE);
+ do_st8_he_mmu(env, addr, cpu_to_le64(val), mop, ra);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, oi, QEMU_PLUGIN_MEM_W);
}
@@ -1156,7 +1312,7 @@ void cpu_st16_be_mmu(CPUArchState *env, abi_ptr addr,
{
void *haddr;
- validate_memop(oi, MO_128 | MO_BE);
+ tcg_debug_assert((get_memop(oi) & (MO_BSWAP | MO_SIZE)) == (MO_128 | MO_BE));
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
if (!HOST_BIG_ENDIAN) {
val = bswap128(val);
@@ -1171,7 +1327,7 @@ void cpu_st16_le_mmu(CPUArchState *env, abi_ptr addr,
{
void *haddr;
- validate_memop(oi, MO_128 | MO_LE);
+ tcg_debug_assert((get_memop(oi) & (MO_BSWAP | MO_SIZE)) == (MO_128 | MO_LE));
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_STORE);
if (HOST_BIG_ENDIAN) {
val = bswap128(val);
@@ -1269,7 +1425,6 @@ uint64_t cpu_ldq_code_mmu(CPUArchState *env, abi_ptr addr,
void *haddr;
uint64_t ret;
- validate_memop(oi, MO_BEUQ);
haddr = cpu_mmu_lookup(env, addr, oi, ra, MMU_DATA_LOAD);
ret = ldq_p(haddr);
clear_helper_retaddr();