From 55921932317ed8c1e073e876471c921a3b2a984f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Thu, 22 Feb 2018 15:12:52 +0000 Subject: sdcard: add a trace event for command responses MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Philippe Mathieu-Daudé Message-id: 20180215220540.6556-4-f4bug@amsat.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/sd/sd.c | 27 ++++++++++++++++++++++++--- hw/sd/trace-events | 1 + 2 files changed, 25 insertions(+), 3 deletions(-) (limited to 'hw') diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 72e9b47e34..8f72cde534 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -153,6 +153,27 @@ 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; + } + assert(rsp <= ARRAY_SIZE(response_name)); + return response_name[rsp]; +} + static uint8_t sd_get_dat_lines(SDState *sd) { return sd->enable ? sd->dat_lines : 0; @@ -1596,10 +1617,12 @@ 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 @@ -1616,8 +1639,6 @@ send_response: DPRINTF(" %02x", response[i]); } DPRINTF(" state %d\n", sd->state); - } 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" -- cgit v1.2.1