jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
hw/display/cg3: 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: 20200526062252.19852-3-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
authored by
Philippe Mathieu-Daudé
and committed by
Gerd Hoffmann
85664cf0
edcbea00
+8
-10
+4
-10
hw/display/cg3.c
+4
-10
hw/display/cg3.c
···
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#include "hw/qdev-properties.h"
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#include "qemu/log.h"
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#include "qemu/module.h"
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#include "trace.h"
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/* Change to 1 to enable debugging */
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#define DEBUG_CG3 0
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#define CG3_VRAM_SIZE 0x100000
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#define CG3_VRAM_OFFSET 0x800000
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#define DPRINTF(fmt, ...) do { \
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if (DEBUG_CG3) { \
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printf("CG3: " fmt , ## __VA_ARGS__); \
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} \
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} while (0)
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#define TYPE_CG3 "cgthree"
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#define CG3(obj) OBJECT_CHECK(CG3State, (obj), TYPE_CG3)
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val = 0;
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break;
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}
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DPRINTF("read %02x from reg %" HWADDR_PRIx "\n", val, addr);
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trace_cg3_read(addr, val, size);
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return val;
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}
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···
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uint8_t regval;
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int i;
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DPRINTF("write %" PRIx64 " to reg %" HWADDR_PRIx " size %d\n",
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val, addr, size);
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trace_cg3_write(addr, val, size);
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switch (addr) {
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case CG3_REG_BT458_ADDR:
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s->dac_index = val;
+4
hw/display/trace-events
+4
hw/display/trace-events
···
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artist_fill_window(unsigned int start_x, unsigned int start_y, unsigned int width, unsigned int height, uint32_t op, uint32_t ctlpln) "start=%ux%u length=%ux%u op=0x%08x ctlpln=0x%08x"
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artist_block_move(unsigned int start_x, unsigned int start_y, unsigned int dest_x, unsigned int dest_y, unsigned int width, unsigned int height) "source %ux%u -> dest %ux%u size %ux%u"
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artist_draw_line(unsigned int start_x, unsigned int start_y, unsigned int end_x, unsigned int end_y) "%ux%u %ux%u"
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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"