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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2019-07-23 14:08:16 +0200
committerPalmer Dabbelt <palmer@sifive.com>2019-09-17 08:42:42 -0700
commit6591efb54966cb08bfd7398261caa2fc2184efeb (patch)
tree11be540096c38907a3af1a4d1de7733deb804161 /target/riscv
parent0b84b6629d444ac31de33fb3125cb3e19740d766 (diff)
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target/riscv/pmp: Convert qemu_log_mask(LOG_TRACE) to trace events
Use the always-compiled trace events, remove the now unused RISCV_DEBUG_PMP definition. Note pmpaddr_csr_read() could previously do out-of-bound accesses passing addr_index >= MAX_RISCV_PMPS. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'target/riscv')
-rw-r--r--target/riscv/pmp.c31
-rw-r--r--target/riscv/trace-events6
2 files changed, 16 insertions, 21 deletions
diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c
index d836288..d4f1007 100644
--- a/target/riscv/pmp.c
+++ b/target/riscv/pmp.c
@@ -27,14 +27,7 @@
#include "qemu/log.h"
#include "qapi/error.h"
#include "cpu.h"
-
-#define RISCV_DEBUG_PMP 0
-#define PMP_DEBUG(fmt, ...) \
- do { \
- if (RISCV_DEBUG_PMP) { \
- qemu_log_mask(LOG_TRACE, "%s: " fmt "\n", __func__, ##__VA_ARGS__);\
- } \
- } while (0)
+#include "trace.h"
static void pmp_write_cfg(CPURISCVState *env, uint32_t addr_index,
uint8_t val);
@@ -302,8 +295,7 @@ void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index,
int i;
uint8_t cfg_val;
- PMP_DEBUG("hart " TARGET_FMT_ld ": reg%d, val: 0x" TARGET_FMT_lx,
- env->mhartid, reg_index, val);
+ trace_pmpcfg_csr_write(env->mhartid, reg_index, val);
if ((reg_index & 1) && (sizeof(target_ulong) == 8)) {
qemu_log_mask(LOG_GUEST_ERROR,
@@ -332,9 +324,7 @@ target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index)
val = pmp_read_cfg(env, (reg_index * sizeof(target_ulong)) + i);
cfg_val |= (val << (i * 8));
}
-
- PMP_DEBUG("hart " TARGET_FMT_ld ": reg%d, val: 0x" TARGET_FMT_lx,
- env->mhartid, reg_index, cfg_val);
+ trace_pmpcfg_csr_read(env->mhartid, reg_index, cfg_val);
return cfg_val;
}
@@ -346,9 +336,7 @@ target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index)
void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index,
target_ulong val)
{
- PMP_DEBUG("hart " TARGET_FMT_ld ": addr%d, val: 0x" TARGET_FMT_lx,
- env->mhartid, addr_index, val);
-
+ trace_pmpaddr_csr_write(env->mhartid, addr_index, val);
if (addr_index < MAX_RISCV_PMPS) {
if (!pmp_is_locked(env, addr_index)) {
env->pmp_state.pmp[addr_index].addr_reg = val;
@@ -369,14 +357,15 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index,
*/
target_ulong pmpaddr_csr_read(CPURISCVState *env, uint32_t addr_index)
{
- PMP_DEBUG("hart " TARGET_FMT_ld ": addr%d, val: 0x" TARGET_FMT_lx,
- env->mhartid, addr_index,
- env->pmp_state.pmp[addr_index].addr_reg);
+ target_ulong val = 0;
+
if (addr_index < MAX_RISCV_PMPS) {
- return env->pmp_state.pmp[addr_index].addr_reg;
+ val = env->pmp_state.pmp[addr_index].addr_reg;
+ trace_pmpaddr_csr_read(env->mhartid, addr_index, val);
} else {
qemu_log_mask(LOG_GUEST_ERROR,
"ignoring pmpaddr read - out of bounds\n");
- return 0;
}
+
+ return val;
}
diff --git a/target/riscv/trace-events b/target/riscv/trace-events
index 48af037..4b6c652 100644
--- a/target/riscv/trace-events
+++ b/target/riscv/trace-events
@@ -1,2 +1,8 @@
# target/riscv/cpu_helper.c
riscv_trap(uint64_t hartid, bool async, uint64_t cause, uint64_t epc, uint64_t tval, const char *desc) "hart:%"PRId64", async:%d, cause:%"PRId64", epc:0x%"PRIx64", tval:0x%"PRIx64", desc=%s"
+
+# pmp.c
+pmpcfg_csr_read(uint64_t mhartid, uint32_t reg_index, uint64_t val) "hart %" PRIu64 ": read reg%" PRIu32", val: 0x%" PRIx64
+pmpcfg_csr_write(uint64_t mhartid, uint32_t reg_index, uint64_t val) "hart %" PRIu64 ": write reg%" PRIu32", val: 0x%" PRIx64
+pmpaddr_csr_read(uint64_t mhartid, uint32_t addr_index, uint64_t val) "hart %" PRIu64 ": read addr%" PRIu32", val: 0x%" PRIx64
+pmpaddr_csr_write(uint64_t mhartid, uint32_t addr_index, uint64_t val) "hart %" PRIu64 ": write addr%" PRIu32", val: 0x%" PRIx64