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[Qemu-devel] [PATCH v3 03/12] sdcard: add a trace event for command resp
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-devel] [PATCH v3 03/12] sdcard: add a trace event for command responses |
Date: |
Tue, 23 Jan 2018 00:21:26 -0300 |
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
hw/sd/sd.c | 26 +++++++++++++++++++++++---
hw/sd/trace-events | 1 +
2 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index f876973a2b..3590099ce8 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -152,6 +152,26 @@ static const char *sd_state_name(enum SDCardStates state)
return state_name[state];
}
+static const char *sd_response_name(sd_rsp_type_t rsp)
+{
+ static const char *response_name[] = {
+ [sd_r0] = "RESP#0 (no response)",
+ [sd_r1] = "RESP#1 (normal cmd)",
+ [sd_r2_i] = "RESP#2 (CID reg)",
+ [sd_r2_s] = "RESP#2 (CSD reg)",
+ [sd_r3] = "RESP#3 (OCR reg)",
+ [sd_r6] = "RESP#6 (RCA)",
+ [sd_r7] = "RESP#7 (operating voltage)",
+ };
+ if (rsp == sd_illegal) {
+ return "ILLEGAL RESP";
+ }
+ if (rsp == sd_r1b) {
+ rsp = sd_r1;
+ }
+ return response_name[rsp];
+}
+
static uint8_t sd_get_dat_lines(SDState *sd)
{
return sd->enable ? sd->dat_lines : 0;
@@ -1595,10 +1615,12 @@ send_response:
case sd_r0:
case sd_illegal:
- default:
rsplen = 0;
break;
+ default:
+ g_assert_not_reached();
}
+ trace_sdcard_response(sd_response_name(rtype), rsplen);
if (rtype != sd_illegal) {
/* Clear the "clear on valid command" status bits now we've
@@ -1614,8 +1636,6 @@ send_response:
for (i = 0; i < rsplen; i++)
fprintf(stderr, " %02x", response[i]);
fputc('\n', stderr);
- } else {
- DPRINTF("No response %d\n", sd->state);
}
#endif
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 75dac5a2cd..b2aa19ec0d 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -26,6 +26,7 @@ sdhci_capareg(const char *desc, uint16_t val) "%s: %u"
# hw/sd/sd.c
sdcard_normal_command(uint8_t cmd, uint32_t arg, const char *state) "CMD%d arg
0x%08x (state %s)"
sdcard_app_command(uint8_t acmd, uint32_t arg) "ACMD%d arg 0x%08x"
+sdcard_response(const char *rspdesc, int rsplen) "%s (sz:%d)"
sdcard_read_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
sdcard_write_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
--
2.15.1
- [Qemu-devel] [PATCH v3 00/12] SDCard: housekeeping, add tracing (part 4), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 01/12] sdcard: reorder SDState struct members, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 02/12] sdcard: replace DPRINTF() by trace events, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 03/12] sdcard: add a trace event for command responses,
Philippe Mathieu-Daudé <=
- [Qemu-devel] [PATCH v3 04/12] sdcard: replace fprintf() by qemu_hexdump(), Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 05/12] sdcard: add more trace events, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 06/12] sdcard: do not trace CMD55 when expecting ACMD, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 07/12] sdcard: define SDMMC_CMD_MAX instead of using the magic '64', Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 08/12] sdcard: display command name when tracing CMD/ACMD, Philippe Mathieu-Daudé, 2018/01/22
- [Qemu-devel] [PATCH v3 09/12] sdcard: display protocol used when tracing, Philippe Mathieu-Daudé, 2018/01/22