jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
hw/display/dpcd: Convert debug printf()s to trace events
Convert DPRINTF() to trace events and remove ifdef'ry.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200526062252.19852-9-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
authored by
Philippe Mathieu-Daudé
and committed by
Gerd Hoffmann
eeb11680
91e7fd3a
+7
-13
+3
-13
hw/display/dpcd.c
+3
-13
hw/display/dpcd.c
···
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#include "hw/misc/auxbus.h"
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#include "migration/vmstate.h"
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#include "hw/display/dpcd.h"
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#ifndef DEBUG_DPCD
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#define DEBUG_DPCD 0
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#endif
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#define DPRINTF(fmt, ...) do { \
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if (DEBUG_DPCD) { \
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qemu_log("dpcd: " fmt, ## __VA_ARGS__); \
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} \
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} while (0)
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#include "trace.h"
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#define DPCD_READABLE_AREA 0x600
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···
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offset);
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ret = 0;
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}
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trace_dpcd_read(offset, ret);
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DPRINTF("read 0x%" PRIX8 " @0x%" HWADDR_PRIX "\n", ret, offset);
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return ret;
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}
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···
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{
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DPCDState *e = DPCD(opaque);
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DPRINTF("write 0x%" PRIX8 " @0x%" HWADDR_PRIX "\n", (uint8_t)value, offset);
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trace_dpcd_write(offset, value);
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if (offset < DPCD_READABLE_AREA) {
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e->dpcd_info[offset] = value;
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} else {
+4
hw/display/trace-events
+4
hw/display/trace-events
···
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# cg3.c
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cg3_read(uint32_t addr, uint32_t val, unsigned size) "read addr:0x%06"PRIx32" val:0x%08"PRIx32" size:%u"
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cg3_write(uint32_t addr, uint32_t val, unsigned size) "write addr:0x%06"PRIx32" val:0x%08"PRIx32" size:%u"
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# dpcd.c
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dpcd_read(uint32_t addr, uint8_t val) "read addr:0x%"PRIx32" val:0x%02x"
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dpcd_write(uint32_t addr, uint8_t val) "write addr:0x%"PRIx32" val:0x%02x"