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-rw-r--r--hw/tpm/tpm_tis.c98
-rw-r--r--hw/tpm/trace-events16
2 files changed, 61 insertions, 53 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 834eef7..2ac7e74 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -31,6 +31,7 @@
#include "sysemu/tpm_backend.h"
#include "tpm_int.h"
#include "tpm_util.h"
+#include "trace.h"
#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
#define TPM_TIS_LOCALITY_SHIFT 12
@@ -86,12 +87,6 @@ typedef struct TPMState {
#define DEBUG_TIS 0
-#define DPRINTF(fmt, ...) do { \
- if (DEBUG_TIS) { \
- printf(fmt, ## __VA_ARGS__); \
- } \
-} while (0)
-
/* local prototypes */
static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
@@ -107,19 +102,17 @@ static uint8_t tpm_tis_locality_from_addr(hwaddr addr)
static void tpm_tis_show_buffer(const unsigned char *buffer,
size_t buffer_size, const char *string)
{
-#ifdef DEBUG_TIS
uint32_t len, i;
len = MIN(tpm_cmd_get_size(buffer), buffer_size);
- DPRINTF("tpm_tis: %s length = %d\n", string, len);
+ printf("tpm_tis: %s length = %d\n", string, len);
for (i = 0; i < len; i++) {
if (i && !(i % 16)) {
- DPRINTF("\n");
+ printf("\n");
}
- DPRINTF("%.2X ", buffer[i]);
+ printf("%.2X ", buffer[i]);
}
- DPRINTF("\n");
-#endif
+ printf("\n");
}
/*
@@ -146,8 +139,10 @@ static void tpm_tis_sts_set(TPMLocality *l, uint32_t flags)
*/
static void tpm_tis_tpm_send(TPMState *s, uint8_t locty)
{
- tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
- "tpm_tis: To TPM");
+ if (DEBUG_TIS) {
+ tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
+ "tpm_tis: To TPM");
+ }
/*
* rw_offset serves as length indicator for length of data;
@@ -175,7 +170,7 @@ static void tpm_tis_raise_irq(TPMState *s, uint8_t locty, uint32_t irqmask)
if ((s->loc[locty].inte & TPM_TIS_INT_ENABLED) &&
(s->loc[locty].inte & irqmask)) {
- DPRINTF("tpm_tis: Raising IRQ for flag %08x\n", irqmask);
+ trace_tpm_tis_raise_irq(irqmask);
qemu_irq_raise(s->irq);
s->loc[locty].ints |= irqmask;
}
@@ -223,7 +218,7 @@ static void tpm_tis_new_active_locality(TPMState *s, uint8_t new_active_locty)
s->active_locty = new_active_locty;
- DPRINTF("tpm_tis: Active locality is now %d\n", s->active_locty);
+ trace_tpm_tis_new_active_locality(s->active_locty);
if (TPM_TIS_IS_VALID_LOCTY(new_active_locty)) {
/* set flags on the new active locality */
@@ -242,7 +237,7 @@ static void tpm_tis_abort(TPMState *s, uint8_t locty)
{
s->rw_offset = 0;
- DPRINTF("tpm_tis: tis_abort: new active locality is %d\n", s->next_locty);
+ trace_tpm_tis_abort(s->next_locty);
/*
* Need to react differently depending on who's aborting now and
@@ -310,8 +305,10 @@ static void tpm_tis_request_completed(TPMIf *ti, int ret)
s->loc[locty].state = TPM_TIS_STATE_COMPLETION;
s->rw_offset = 0;
- tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
- "tpm_tis: From TPM");
+ if (DEBUG_TIS) {
+ tpm_tis_show_buffer(s->buffer, s->be_buffer_size,
+ "tpm_tis: From TPM");
+ }
if (TPM_TIS_IS_VALID_LOCTY(s->next_locty)) {
tpm_tis_abort(s, locty);
@@ -339,8 +336,7 @@ static uint32_t tpm_tis_data_read(TPMState *s, uint8_t locty)
tpm_tis_sts_set(&s->loc[locty], TPM_TIS_STS_VALID);
tpm_tis_raise_irq(s, locty, TPM_TIS_INT_STS_VALID);
}
- DPRINTF("tpm_tis: tpm_tis_data_read byte 0x%02x [%d]\n",
- ret, s->rw_offset - 1);
+ trace_tpm_tis_data_read(ret, s->rw_offset - 1);
}
return ret;
@@ -364,29 +360,29 @@ static void tpm_tis_dump_state(void *opaque, hwaddr addr)
hwaddr base = addr & ~0xfff;
TPMState *s = opaque;
- DPRINTF("tpm_tis: active locality : %d\n"
- "tpm_tis: state of locality %d : %d\n"
- "tpm_tis: register dump:\n",
- s->active_locty,
- locty, s->loc[locty].state);
+ printf("tpm_tis: active locality : %d\n"
+ "tpm_tis: state of locality %d : %d\n"
+ "tpm_tis: register dump:\n",
+ s->active_locty,
+ locty, s->loc[locty].state);
for (idx = 0; regs[idx] != 0xfff; idx++) {
- DPRINTF("tpm_tis: 0x%04x : 0x%08x\n", regs[idx],
- (int)tpm_tis_mmio_read(opaque, base + regs[idx], 4));
+ printf("tpm_tis: 0x%04x : 0x%08x\n", regs[idx],
+ (int)tpm_tis_mmio_read(opaque, base + regs[idx], 4));
}
- DPRINTF("tpm_tis: r/w offset : %d\n"
- "tpm_tis: result buffer : ",
- s->rw_offset);
+ printf("tpm_tis: r/w offset : %d\n"
+ "tpm_tis: result buffer : ",
+ s->rw_offset);
for (idx = 0;
idx < MIN(tpm_cmd_get_size(&s->buffer), s->be_buffer_size);
idx++) {
- DPRINTF("%c%02x%s",
- s->rw_offset == idx ? '>' : ' ',
- s->buffer[idx],
- ((idx & 0xf) == 0xf) ? "\ntpm_tis: " : "");
+ printf("%c%02x%s",
+ s->rw_offset == idx ? '>' : ' ',
+ s->buffer[idx],
+ ((idx & 0xf) == 0xf) ? "\ntpm_tis: " : "");
}
- DPRINTF("\n");
+ printf("\n");
}
#endif
@@ -506,7 +502,7 @@ static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
val >>= shift;
}
- DPRINTF("tpm_tis: read.%u(%08x) = %08x\n", size, (int)addr, (int)val);
+ trace_tpm_tis_mmio_read(size, addr, val);
return val;
}
@@ -527,10 +523,10 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
uint16_t len;
uint32_t mask = (size == 1) ? 0xff : ((size == 2) ? 0xffff : ~0);
- DPRINTF("tpm_tis: write.%u(%08x) = %08x\n", size, (int)addr, (int)val);
+ trace_tpm_tis_mmio_write(size, addr, val);
if (locty == 4) {
- DPRINTF("tpm_tis: Access to locality 4 only allowed from hardware\n");
+ trace_tpm_tis_mmio_write_locty4();
return;
}
@@ -560,20 +556,18 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
if ((val & TPM_TIS_ACCESS_ACTIVE_LOCALITY)) {
/* give up locality if currently owned */
if (s->active_locty == locty) {
- DPRINTF("tpm_tis: Releasing locality %d\n", locty);
+ trace_tpm_tis_mmio_write_release_locty(locty);
uint8_t newlocty = TPM_TIS_NO_LOCALITY;
/* anybody wants the locality ? */
for (c = TPM_TIS_NUM_LOCALITIES - 1; c >= 0; c--) {
if ((s->loc[c].access & TPM_TIS_ACCESS_REQUEST_USE)) {
- DPRINTF("tpm_tis: Locality %d requests use.\n", c);
+ trace_tpm_tis_mmio_write_locty_req_use(c);
newlocty = c;
break;
}
}
- DPRINTF("tpm_tis: TPM_TIS_ACCESS_ACTIVE_LOCALITY: "
- "Next active locality: %d\n",
- newlocty);
+ trace_tpm_tis_mmio_write_next_locty(newlocty);
if (TPM_TIS_IS_VALID_LOCTY(newlocty)) {
set_new_locty = 0;
@@ -627,10 +621,10 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
}
s->loc[locty].access |= TPM_TIS_ACCESS_SEIZE;
- DPRINTF("tpm_tis: TPM_TIS_ACCESS_SEIZE: "
- "Locality %d seized from locality %d\n",
- locty, s->active_locty);
- DPRINTF("tpm_tis: TPM_TIS_ACCESS_SEIZE: Initiating abort.\n");
+
+ trace_tpm_tis_mmio_write_locty_seized(locty, s->active_locty);
+ trace_tpm_tis_mmio_write_init_abort();
+
set_new_locty = 0;
tpm_tis_prep_abort(s, s->active_locty, locty);
break;
@@ -677,7 +671,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
s->loc[locty].ints &= ~val;
if (s->loc[locty].ints == 0) {
qemu_irq_lower(s->irq);
- DPRINTF("tpm_tis: Lowering IRQ\n");
+ trace_tpm_tis_mmio_write_lowering_irq();
}
}
s->loc[locty].ints &= ~(val & TPM_TIS_INTERRUPTS_SUPPORTED);
@@ -725,8 +719,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
case TPM_TIS_STATE_EXECUTION:
case TPM_TIS_STATE_RECEPTION:
/* abort currently running command */
- DPRINTF("tpm_tis: %s: Initiating abort.\n",
- __func__);
+ trace_tpm_tis_mmio_write_init_abort();
tpm_tis_prep_abort(s, locty, locty);
break;
@@ -780,8 +773,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
s->loc[locty].state == TPM_TIS_STATE_COMPLETION) {
/* drop the byte */
} else {
- DPRINTF("tpm_tis: Data to send to TPM: %08x (size=%d)\n",
- (int)val, size);
+ trace_tpm_tis_mmio_write_data2send(val, size);
if (s->loc[locty].state == TPM_TIS_STATE_READY) {
s->loc[locty].state = TPM_TIS_STATE_RECEPTION;
tpm_tis_sts_set(&s->loc[locty],
diff --git a/hw/tpm/trace-events b/hw/tpm/trace-events
index fe88fa6..9a65384 100644
--- a/hw/tpm/trace-events
+++ b/hw/tpm/trace-events
@@ -28,3 +28,19 @@ tpm_emulator_handle_device_opts_tpm2(void) "TPM Version 2"
tpm_emulator_handle_device_opts_unspec(void) "TPM Version Unspecified"
tpm_emulator_handle_device_opts_startup_error(void) "Startup error"
tpm_emulator_inst_init(void) ""
+
+# hw/tpm/tpm_tis.c
+tpm_tis_raise_irq(uint32_t irqmask) "Raising IRQ for flag 0x%08x"
+tpm_tis_new_active_locality(uint8_t locty) "Active locality is now %d"
+tpm_tis_abort(uint8_t locty) "New active locality is %d"
+tpm_tis_data_read(uint32_t value, uint32_t off) "byte 0x%02x [%d]"
+tpm_tis_mmio_read(unsigned size, uint32_t addr, uint32_t val) " read.%u(0x%08x) = 0x%08x"
+tpm_tis_mmio_write(unsigned size, uint32_t addr, uint32_t val) "write.%u(0x%08x) = 0x%08x"
+tpm_tis_mmio_write_locty4(void) "Access to locality 4 only allowed from hardware"
+tpm_tis_mmio_write_release_locty(uint8_t locty) "Releasing locality %d"
+tpm_tis_mmio_write_locty_req_use(uint8_t locty) "Locality %d requests use"
+tpm_tis_mmio_write_next_locty(uint8_t locty) "Next active locality is %d"
+tpm_tis_mmio_write_locty_seized(uint8_t locty, uint8_t active) "Locality %d seized from locality %d"
+tpm_tis_mmio_write_init_abort(void) "Initiating abort"
+tpm_tis_mmio_write_lowering_irq(void) "Lowering IRQ"
+tpm_tis_mmio_write_data2send(uint32_t value, unsigned size) "Data to send to TPM: 0x%08x (size=%d)"
generated by cgit v1.1 at 2024-11-01 22:45:31 +0000