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hw/block/pflash: Simplify trace_pflash_io_read/write() 

Call the read() trace function after the value is set, so we can
log the returned value.
Rename the I/O trace functions with '_io_' in their name.

Reviewed-by: Stephen Checkoway <stephen.checkoway@oberlin.edu>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190627202719.17739-3-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2019-06-26 18:39:10 +02:00
parent 60b725b6d4
commit e8aa2d95ea
3 changed files with 7 additions and 8 deletions
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5
hw/block/pflash_cfi01.c
View File

@ -288,7 +288,6 @@ static uint32_t pflash_read(PFlashCFI01 *pfl, hwaddr offset,
uint32_t ret;
ret = -1;
trace_pflash_read(offset, pfl->cmd, width, pfl->wcycle);
switch (pfl->cmd) {
default:
/* This should never happen : reset state & treat it as a read */
@ -391,6 +390,8 @@ static uint32_t pflash_read(PFlashCFI01 *pfl, hwaddr offset,
break;
}
trace_pflash_io_read(offset, width, width << 1, ret, pfl->cmd, pfl->wcycle);
return ret;
}
@ -453,7 +454,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
cmd = value;
trace_pflash_write(offset, value, width, pfl->wcycle);
trace_pflash_io_write(offset, width, width << 1, value, pfl->wcycle);
if (!pfl->wcycle) {
/* Set the device in I/O access mode */
memory_region_rom_device_set_romd(&pfl->mem, false);

6
hw/block/pflash_cfi02.c
View File

@ -145,7 +145,6 @@ static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset,
uint8_t *p;
ret = -1;
trace_pflash_read(offset, pfl->cmd, width, pfl->wcycle);
/* Lazy reset to ROMD mode after a certain amount of read accesses */
if (!pfl->rom_mode && pfl->wcycle == 0 &&
++pfl->read_counter > PFLASH_LAZY_ROMD_THRESHOLD) {
@ -241,6 +240,7 @@ static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset,
}
break;
}
trace_pflash_io_read(offset, width, width << 1, ret, pfl->cmd, pfl->wcycle);
return ret;
}
@ -267,6 +267,7 @@ static void pflash_write(PFlashCFI02 *pfl, hwaddr offset,
uint8_t *p;
uint8_t cmd;
trace_pflash_io_write(offset, width, width << 1, value, pfl->wcycle);
cmd = value;
if (pfl->cmd != 0xA0 && cmd == 0xF0) {
#if 0
@ -275,11 +276,8 @@ static void pflash_write(PFlashCFI02 *pfl, hwaddr offset,
#endif
goto reset_flash;
}
trace_pflash_write(offset, value, width, pfl->wcycle);
offset &= pfl->chip_len - 1;
DPRINTF("%s: offset " TARGET_FMT_plx " %08x %d\n", __func__,
offset, value, width);
boff = offset & (pfl->sector_len - 1);
if (pfl->width == 2)
boff = boff >> 1;

4
hw/block/trace-events
View File

@ -7,9 +7,9 @@ fdc_ioport_write(uint8_t reg, uint8_t value) "write reg 0x%02x val 0x%02x"
# pflash_cfi02.c
# pflash_cfi01.c
pflash_reset(void) "reset"
pflash_read(uint64_t offset, uint8_t cmd, int width, uint8_t wcycle) "offset:0x%04"PRIx64" cmd:0x%02x width:%d wcycle:%u"
pflash_write(uint64_t offset, uint32_t value, int width, uint8_t wcycle) "offset:0x%04"PRIx64" value:0x%03x width:%d wcycle:%u"
pflash_timer_expired(uint8_t cmd) "command 0x%02x done"
pflash_io_read(uint64_t offset, int width, int fmt_width, uint32_t value, uint8_t cmd, uint8_t wcycle) "offset:0x%04"PRIx64" width:%d value:0x%0*x cmd:0x%02x wcycle:%u"
pflash_io_write(uint64_t offset, int width, int fmt_width, uint32_t value, uint8_t wcycle) "offset:0x%04"PRIx64" width:%d value:0x%0*x wcycle:%u"
pflash_data_read8(uint64_t offset, uint32_t value) "data offset:0x%04"PRIx64" value:0x%02x"
pflash_data_read16(uint64_t offset, uint32_t value) "data offset:0x%04"PRIx64" value:0x%04x"
pflash_data_read32(uint64_t offset, uint32_t value) "data offset:0x%04"PRIx64" value:0x%08x"