pc = uc->uc_mcontext.psw.addr;
- /* ??? On linux, the non-rt signal handler has 4 (!) arguments instead
- of the normal 2 arguments. The 3rd argument contains the "int_code"
- from the hardware which does in fact contain the is_write value.
- The rt signal handler, as far as I can tell, does not give this value
- at all. Not that we could get to it from here even if it were. */
- /* ??? This is not even close to complete, since it ignores all
- of the read-modify-write instructions. */
+ /*
+ * ??? On linux, the non-rt signal handler has 4 (!) arguments instead
+ * of the normal 2 arguments. The 4th argument contains the "Translation-
+ * Exception Identification for DAT Exceptions" from the hardware (aka
+ * "int_parm_long"), which does in fact contain the is_write value.
+ * The rt signal handler, as far as I can tell, does not give this value
+ * at all. Not that we could get to it from here even if it were.
+ * So fall back to parsing instructions. Treat read-modify-write ones as
+ * writes, which is not fully correct, but for tracking self-modifying code
+ * this is better than treating them as reads. Checking si_addr page flags
+ * might be a viable improvement, albeit a racy one.
+ */
+ /* ??? This is not even close to complete. */
pinsn = (uint16_t *)pc;
switch (pinsn[0] >> 8) {
case 0x50: /* ST */
case 0x42: /* STC */
case 0x40: /* STH */
+ case 0xba: /* CS */
+ case 0xbb: /* CDS */
is_write = 1;
break;
case 0xc4: /* RIL format insns */
is_write = 1;
}
break;
+ case 0xc8: /* SSF format insns */
+ switch (pinsn[0] & 0xf) {
+ case 0x2: /* CSST */
+ is_write = 1;
+ }
+ break;
case 0xe3: /* RXY format insns */
switch (pinsn[2] & 0xff) {
case 0x50: /* STY */
is_write = 1;
}
break;
+ case 0xeb: /* RSY format insns */
+ switch (pinsn[2] & 0xff) {
+ case 0x14: /* CSY */
+ case 0x30: /* CSG */
+ case 0x31: /* CDSY */
+ case 0x3e: /* CDSG */
+ case 0xe4: /* LANG */
+ case 0xe6: /* LAOG */
+ case 0xe7: /* LAXG */
+ case 0xe8: /* LAAG */
+ case 0xea: /* LAALG */
+ case 0xf4: /* LAN */
+ case 0xf6: /* LAO */
+ case 0xf7: /* LAX */
+ case 0xfa: /* LAAL */
+ case 0xf8: /* LAA */
+ is_write = 1;
+ }
+ break;
}
+
return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
}
uint32_t cpu_ldub_data(CPUArchState *env, abi_ptr ptr)
{
+ MemOpIdx oi = make_memop_idx(MO_UB, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, false);
uint32_t ret;
- uint16_t meminfo = trace_mem_get_info(MO_UB, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldub_p(g2h(env_cpu(env), ptr));
int cpu_ldsb_data(CPUArchState *env, abi_ptr ptr)
{
- int ret;
- uint16_t meminfo = trace_mem_get_info(MO_SB, MMU_USER_IDX, false);
-
- trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
- ret = ldsb_p(g2h(env_cpu(env), ptr));
- qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
- return ret;
+ return (int8_t)cpu_ldub_data(env, ptr);
}
uint32_t cpu_lduw_be_data(CPUArchState *env, abi_ptr ptr)
{
+ MemOpIdx oi = make_memop_idx(MO_BEUW, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, false);
uint32_t ret;
- uint16_t meminfo = trace_mem_get_info(MO_BEUW, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = lduw_be_p(g2h(env_cpu(env), ptr));
int cpu_ldsw_be_data(CPUArchState *env, abi_ptr ptr)
{
- int ret;
- uint16_t meminfo = trace_mem_get_info(MO_BESW, MMU_USER_IDX, false);
-
- trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
- ret = ldsw_be_p(g2h(env_cpu(env), ptr));
- qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
- return ret;
+ return (int16_t)cpu_lduw_be_data(env, ptr);
}
uint32_t cpu_ldl_be_data(CPUArchState *env, abi_ptr ptr)
{
+ MemOpIdx oi = make_memop_idx(MO_BEUL, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, false);
uint32_t ret;
- uint16_t meminfo = trace_mem_get_info(MO_BEUL, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldl_be_p(g2h(env_cpu(env), ptr));
uint64_t cpu_ldq_be_data(CPUArchState *env, abi_ptr ptr)
{
+ MemOpIdx oi = make_memop_idx(MO_BEQ, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, false);
uint64_t ret;
- uint16_t meminfo = trace_mem_get_info(MO_BEQ, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldq_be_p(g2h(env_cpu(env), ptr));
uint32_t cpu_lduw_le_data(CPUArchState *env, abi_ptr ptr)
{
+ MemOpIdx oi = make_memop_idx(MO_LEUW, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, false);
uint32_t ret;
- uint16_t meminfo = trace_mem_get_info(MO_LEUW, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = lduw_le_p(g2h(env_cpu(env), ptr));
int cpu_ldsw_le_data(CPUArchState *env, abi_ptr ptr)
{
- int ret;
- uint16_t meminfo = trace_mem_get_info(MO_LESW, MMU_USER_IDX, false);
-
- trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
- ret = ldsw_le_p(g2h(env_cpu(env), ptr));
- qemu_plugin_vcpu_mem_cb(env_cpu(env), ptr, meminfo);
- return ret;
+ return (int16_t)cpu_lduw_le_data(env, ptr);
}
uint32_t cpu_ldl_le_data(CPUArchState *env, abi_ptr ptr)
{
+ MemOpIdx oi = make_memop_idx(MO_LEUL, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, false);
uint32_t ret;
- uint16_t meminfo = trace_mem_get_info(MO_LEUL, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldl_le_p(g2h(env_cpu(env), ptr));
uint64_t cpu_ldq_le_data(CPUArchState *env, abi_ptr ptr)
{
+ MemOpIdx oi = make_memop_idx(MO_LEQ, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, false);
uint64_t ret;
- uint16_t meminfo = trace_mem_get_info(MO_LEQ, MMU_USER_IDX, false);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
ret = ldq_le_p(g2h(env_cpu(env), ptr));
int cpu_ldsb_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
- int ret;
-
- set_helper_retaddr(retaddr);
- ret = cpu_ldsb_data(env, ptr);
- clear_helper_retaddr();
- return ret;
+ return (int8_t)cpu_ldub_data_ra(env, ptr, retaddr);
}
uint32_t cpu_lduw_be_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
int cpu_ldsw_be_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
- int ret;
-
- set_helper_retaddr(retaddr);
- ret = cpu_ldsw_be_data(env, ptr);
- clear_helper_retaddr();
- return ret;
+ return (int16_t)cpu_lduw_be_data_ra(env, ptr, retaddr);
}
uint32_t cpu_ldl_be_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
int cpu_ldsw_le_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
{
- int ret;
-
- set_helper_retaddr(retaddr);
- ret = cpu_ldsw_le_data(env, ptr);
- clear_helper_retaddr();
- return ret;
+ return (int16_t)cpu_lduw_le_data_ra(env, ptr, retaddr);
}
uint32_t cpu_ldl_le_data_ra(CPUArchState *env, abi_ptr ptr, uintptr_t retaddr)
void cpu_stb_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
- uint16_t meminfo = trace_mem_get_info(MO_UB, MMU_USER_IDX, true);
+ MemOpIdx oi = make_memop_idx(MO_UB, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stb_p(g2h(env_cpu(env), ptr), val);
void cpu_stw_be_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
- uint16_t meminfo = trace_mem_get_info(MO_BEUW, MMU_USER_IDX, true);
+ MemOpIdx oi = make_memop_idx(MO_BEUW, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stw_be_p(g2h(env_cpu(env), ptr), val);
void cpu_stl_be_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
- uint16_t meminfo = trace_mem_get_info(MO_BEUL, MMU_USER_IDX, true);
+ MemOpIdx oi = make_memop_idx(MO_BEUL, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stl_be_p(g2h(env_cpu(env), ptr), val);
void cpu_stq_be_data(CPUArchState *env, abi_ptr ptr, uint64_t val)
{
- uint16_t meminfo = trace_mem_get_info(MO_BEQ, MMU_USER_IDX, true);
+ MemOpIdx oi = make_memop_idx(MO_BEQ, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stq_be_p(g2h(env_cpu(env), ptr), val);
void cpu_stw_le_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
- uint16_t meminfo = trace_mem_get_info(MO_LEUW, MMU_USER_IDX, true);
+ MemOpIdx oi = make_memop_idx(MO_LEUW, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stw_le_p(g2h(env_cpu(env), ptr), val);
void cpu_stl_le_data(CPUArchState *env, abi_ptr ptr, uint32_t val)
{
- uint16_t meminfo = trace_mem_get_info(MO_LEUL, MMU_USER_IDX, true);
+ MemOpIdx oi = make_memop_idx(MO_LEUL, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stl_le_p(g2h(env_cpu(env), ptr), val);
void cpu_stq_le_data(CPUArchState *env, abi_ptr ptr, uint64_t val)
{
- uint16_t meminfo = trace_mem_get_info(MO_LEQ, MMU_USER_IDX, true);
+ MemOpIdx oi = make_memop_idx(MO_LEQ, MMU_USER_IDX);
+ uint16_t meminfo = trace_mem_get_info(oi, true);
trace_guest_mem_before_exec(env_cpu(env), ptr, meminfo);
stq_le_p(g2h(env_cpu(env), ptr), val);
return ret;
}
-/* Do not allow unaligned operations to proceed. Return the host address. */
+/*
+ * Do not allow unaligned operations to proceed. Return the host address.
+ *
+ * @prot may be PAGE_READ, PAGE_WRITE, or PAGE_READ|PAGE_WRITE.
+ */
static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr,
- int size, uintptr_t retaddr)
+ MemOpIdx oi, int size, int prot,
+ uintptr_t retaddr)
{
/* Enforce qemu required alignment. */
if (unlikely(addr & (size - 1))) {
return ret;
}
-/* Macro to call the above, with local variables from the use context. */
-#define ATOMIC_MMU_DECLS do {} while (0)
-#define ATOMIC_MMU_LOOKUP_RW atomic_mmu_lookup(env, addr, DATA_SIZE, GETPC())
-#define ATOMIC_MMU_LOOKUP_R ATOMIC_MMU_LOOKUP_RW
-#define ATOMIC_MMU_LOOKUP_W ATOMIC_MMU_LOOKUP_RW
-#define ATOMIC_MMU_CLEANUP do { clear_helper_retaddr(); } while (0)
-#define ATOMIC_MMU_IDX MMU_USER_IDX
+#include "atomic_common.c.inc"
-#define ATOMIC_NAME(X) HELPER(glue(glue(atomic_ ## X, SUFFIX), END))
-#define EXTRA_ARGS
+/*
+ * First set of functions passes in OI and RETADDR.
+ * This makes them callable from other helpers.
+ */
-#include "atomic_common.c.inc"
+#define ATOMIC_NAME(X) \
+ glue(glue(glue(cpu_atomic_ ## X, SUFFIX), END), _mmu)
+#define ATOMIC_MMU_CLEANUP do { clear_helper_retaddr(); } while (0)
+#define ATOMIC_MMU_IDX MMU_USER_IDX
#define DATA_SIZE 1
#include "atomic_template.h"
#include "atomic_template.h"
#endif
-/* The following is only callable from other helpers, and matches up
- with the softmmu version. */
-
#if HAVE_ATOMIC128 || HAVE_CMPXCHG128
-
-#undef EXTRA_ARGS
-#undef ATOMIC_NAME
-#undef ATOMIC_MMU_LOOKUP_RW
-
-#define EXTRA_ARGS , TCGMemOpIdx oi, uintptr_t retaddr
-#define ATOMIC_NAME(X) \
- HELPER(glue(glue(glue(atomic_ ## X, SUFFIX), END), _mmu))
-#define ATOMIC_MMU_LOOKUP_RW atomic_mmu_lookup(env, addr, DATA_SIZE, retaddr)
-
#define DATA_SIZE 16
#include "atomic_template.h"
#endif
projects / mirror_qemu.git / blobdiff