* 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 !defined(SOFTMMU_CODE_ACCESS)
+#include "trace.h"
+#endif
+
+#include "trace/mem.h"
+
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
int mmu_idx;
TCGMemOpIdx oi;
+#if !defined(SOFTMMU_CODE_ACCESS)
+ trace_guest_mem_before_exec(
+ ENV_GET_CPU(env), ptr,
+ trace_mem_build_info(SHIFT, false, MO_TE, false));
+#endif
+
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
int mmu_idx;
TCGMemOpIdx oi;
+#if !defined(SOFTMMU_CODE_ACCESS)
+ trace_guest_mem_before_exec(
+ ENV_GET_CPU(env), ptr,
+ trace_mem_build_info(SHIFT, true, MO_TE, false));
+#endif
+
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
int mmu_idx;
TCGMemOpIdx oi;
+#if !defined(SOFTMMU_CODE_ACCESS)
+ trace_guest_mem_before_exec(
+ ENV_GET_CPU(env), ptr,
+ trace_mem_build_info(SHIFT, false, MO_TE, true));
+#endif
+
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
* 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 !defined(CODE_ACCESS)
+#include "trace.h"
+#endif
+
+#include "trace/mem.h"
+
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
static inline RES_TYPE
glue(glue(cpu_ld, USUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
{
+#if !defined(CODE_ACCESS)
+ trace_guest_mem_before_exec(
+ ENV_GET_CPU(env), ptr,
+ trace_mem_build_info(DATA_SIZE, false, MO_TE, false));
+#endif
return glue(glue(ld, USUFFIX), _p)(g2h(ptr));
}
static inline int
glue(glue(cpu_lds, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr)
{
+#if !defined(CODE_ACCESS)
+ trace_guest_mem_before_exec(
+ ENV_GET_CPU(env), ptr,
+ trace_mem_build_info(DATA_SIZE, true, MO_TE, false));
+#endif
return glue(glue(lds, SUFFIX), _p)(g2h(ptr));
}
glue(glue(cpu_st, SUFFIX), MEMSUFFIX)(CPUArchState *env, target_ulong ptr,
RES_TYPE v)
{
+#if !defined(CODE_ACCESS)
+ trace_guest_mem_before_exec(
+ ENV_GET_CPU(env), ptr,
+ trace_mem_build_info(DATA_SIZE, false, MO_TE, true));
+#endif
glue(glue(st, SUFFIX), _p)(g2h(ptr), v);
}
#include "exec/exec-all.h"
#include "tcg.h"
#include "tcg-op.h"
+#include "trace-tcg.h"
+#include "trace/mem.h"
/* Reduce the number of ifdefs below. This assumes that all uses of
TCGV_HIGH and TCGV_LOW are properly protected by a conditional that
void tcg_gen_qemu_ld_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop)
{
memop = tcg_canonicalize_memop(memop, 0, 0);
+ trace_guest_mem_before_tcg(tcg_ctx.cpu, tcg_ctx.tcg_env,
+ addr, trace_mem_get_info(memop, 0));
gen_ldst_i32(INDEX_op_qemu_ld_i32, val, addr, memop, idx);
}
void tcg_gen_qemu_st_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop)
{
memop = tcg_canonicalize_memop(memop, 0, 1);
+ trace_guest_mem_before_tcg(tcg_ctx.cpu, tcg_ctx.tcg_env,
+ addr, trace_mem_get_info(memop, 1));
gen_ldst_i32(INDEX_op_qemu_st_i32, val, addr, memop, idx);
}
}
memop = tcg_canonicalize_memop(memop, 1, 0);
+ trace_guest_mem_before_tcg(tcg_ctx.cpu, tcg_ctx.tcg_env,
+ addr, trace_mem_get_info(memop, 0));
gen_ldst_i64(INDEX_op_qemu_ld_i64, val, addr, memop, idx);
}
}
memop = tcg_canonicalize_memop(memop, 1, 1);
+ trace_guest_mem_before_tcg(tcg_ctx.cpu, tcg_ctx.tcg_env,
+ addr, trace_mem_get_info(memop, 1));
gen_ldst_i64(INDEX_op_qemu_st_i64, val, addr, memop, idx);
}
gicv3_redist_badwrite(uint32_t cpu, uint64_t offset, uint64_t data, unsigned size, bool secure) "GICv3 redistributor %x write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u secure %d: error"
gicv3_redist_set_irq(uint32_t cpu, int irq, int level) "GICv3 redistributor %x interrupt %d level changed to %d"
gicv3_redist_send_sgi(uint32_t cpu, int irq) "GICv3 redistributor %x pending SGI %d"
+
+### Guest events, keep at bottom
+
+# @vaddr: Access' virtual address.
+# @info : Access' information (see below).
+#
+# Start virtual memory access (before any potential access violation).
+#
+# Does not include memory accesses performed by devices.
+#
+# Access information can be parsed as:
+#
+# struct mem_info {
+# uint8_t size_shift : 2; /* interpreted as "1 << size_shift" bytes */
+# bool sign_extend: 1; /* sign-extended */
+# uint8_t endianness : 1; /* 0: little, 1: big */
+# bool store : 1; /* wheter it's a store operation */
+# };
+#
+# Targets: TCG(all)
+disable vcpu tcg guest_mem_before(TCGv vaddr, uint8_t info) "info=%d", "vaddr=0x%016"PRIx64" info=%d"
--- /dev/null
+/*
+ * Helper functions for guest memory tracing
+ *
+ * Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef TRACE__MEM_INTERNAL_H
+#define TRACE__MEM_INTERNAL_H
+
+static inline uint8_t trace_mem_get_info(TCGMemOp op, bool store)
+{
+ uint8_t res = op;
+ bool be = (op & MO_BSWAP) == MO_BE;
+
+ /* remove untraced fields */
+ res &= (1ULL << 4) - 1;
+ /* make endianness absolute */
+ res &= ~MO_BSWAP;
+ if (be) {
+ res |= 1ULL << 3;
+ }
+ /* add fields */
+ if (store) {
+ res |= 1ULL << 4;
+ }
+
+ return res;
+}
+
+static inline uint8_t trace_mem_build_info(
+ TCGMemOp size, bool sign_extend, TCGMemOp endianness, bool store)
+{
+ uint8_t res = 0;
+ res |= size;
+ res |= (sign_extend << 2);
+ if (endianness == MO_BE) {
+ res |= (1ULL << 3);
+ }
+ res |= (store << 4);
+ return res;
+}
+
+#endif /* TRACE__MEM_INTERNAL_H */
--- /dev/null
+/*
+ * Helper functions for guest memory tracing
+ *
+ * Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef TRACE__MEM_H
+#define TRACE__MEM_H
+
+#include "tcg/tcg.h"
+
+
+/**
+ * trace_mem_get_info:
+ *
+ * Return a value for the 'info' argument in guest memory access traces.
+ */
+static uint8_t trace_mem_get_info(TCGMemOp op, bool store);
+
+/**
+ * trace_mem_build_info:
+ *
+ * Return a value for the 'info' argument in guest memory access traces.
+ */
+static uint8_t trace_mem_build_info(TCGMemOp size, bool sign_extend,
+ TCGMemOp endianness, bool store);
+
+
+#include "trace/mem-internal.h"
+
+#endif /* TRACE__MEM_H */