[PATCH 1/2] aspeed/smc: Add some tracing

[Cédric Le Goater]

Signed-off-by: Cédric Le Goater <address@hidden>
---
 Makefile.objs       |  1 +
 hw/ssi/aspeed_smc.c | 17 +++++++++++++++++
 hw/ssi/trace-events |  9 +++++++++
 3 files changed, 27 insertions(+)
 create mode 100644 hw/ssi/trace-events

diff --git a/Makefile.objs b/Makefile.objs
index 26b9cff95436..9e4ba95794e9 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -168,6 +168,7 @@ trace-events-subdirs += hw/scsi
 trace-events-subdirs += hw/sd
 trace-events-subdirs += hw/sparc
 trace-events-subdirs += hw/sparc64
+trace-events-subdirs += hw/ssi
 trace-events-subdirs += hw/timer
 trace-events-subdirs += hw/tpm
 trace-events-subdirs += hw/usb
diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
index 23c8d2f06245..e5621bf728ca 100644
--- a/hw/ssi/aspeed_smc.c
+++ b/hw/ssi/aspeed_smc.c
@@ -31,6 +31,7 @@
 #include "qapi/error.h"
 #include "exec/address-spaces.h"
 #include "qemu/units.h"
+#include "trace.h"
 
 #include "hw/irq.h"
 #include "hw/qdev-properties.h"
@@ -513,6 +514,8 @@ static void aspeed_smc_flash_set_segment(AspeedSMCState *s, 
int cs,
 
     s->ctrl->reg_to_segment(s, new, &seg);
 
+    trace_aspeed_smc_flash_set_segment(cs, new, seg.addr, seg.addr + seg.size);
+
     /* The start address of CS0 is read-only */
     if (cs == 0 && seg.addr != s->ctrl->flash_window_base) {
         qemu_log_mask(LOG_GUEST_ERROR,
@@ -753,6 +756,8 @@ static uint64_t aspeed_smc_flash_read(void *opaque, hwaddr 
addr, unsigned size)
                       __func__, aspeed_smc_flash_mode(fl));
     }
 
+    trace_aspeed_smc_flash_read(fl->id, addr, size, ret,
+                                aspeed_smc_flash_mode(fl));
     return ret;
 }
 
@@ -808,6 +813,9 @@ static bool aspeed_smc_do_snoop(AspeedSMCFlash *fl,  
uint64_t data,
     AspeedSMCState *s = fl->controller;
     uint8_t addr_width = aspeed_smc_flash_is_4byte(fl) ? 4 : 3;
 
+    trace_aspeed_smc_do_snoop(fl->id, s->snoop_index, s->snoop_dummies,
+                              (uint8_t) data & 0xff);
+
     if (s->snoop_index == SNOOP_OFF) {
         return false; /* Do nothing */
 
@@ -858,6 +866,9 @@ static void aspeed_smc_flash_write(void *opaque, hwaddr 
addr, uint64_t data,
     AspeedSMCState *s = fl->controller;
     int i;
 
+    trace_aspeed_smc_flash_write(fl->id, addr, size, data,
+                                 aspeed_smc_flash_mode(fl));
+
     if (!aspeed_smc_is_writable(fl)) {
         qemu_log_mask(LOG_GUEST_ERROR, "%s: flash is not writable at 0x%"
                       HWADDR_PRIx "\n", __func__, addr);
@@ -972,6 +983,9 @@ static uint64_t aspeed_smc_read(void *opaque, hwaddr addr, 
unsigned int size)
         (s->ctrl->has_dma && addr == R_DMA_CHECKSUM) ||
         (addr >= R_SEG_ADDR0 && addr < R_SEG_ADDR0 + s->ctrl->max_slaves) ||
         (addr >= s->r_ctrl0 && addr < s->r_ctrl0 + s->ctrl->max_slaves)) {
+
+        trace_aspeed_smc_read(addr, size, s->regs[addr]);
+
         return s->regs[addr];
     } else {
         qemu_log_mask(LOG_UNIMP, "%s: not implemented: 0x%" HWADDR_PRIx "\n",
@@ -1091,6 +1105,7 @@ static void aspeed_smc_dma_checksum(AspeedSMCState *s)
                           __func__, s->regs[R_DMA_FLASH_ADDR]);
             return;
         }
+        trace_aspeed_smc_dma_checksum(s->regs[R_DMA_FLASH_ADDR], data);
 
         /*
          * When the DMA is on-going, the DMA registers are updated
@@ -1225,6 +1240,8 @@ static void aspeed_smc_write(void *opaque, hwaddr addr, 
uint64_t data,
 
     addr >>= 2;
 
+    trace_aspeed_smc_write(addr, size, data);
+
     if (addr == s->r_conf ||
         (addr >= s->r_timings &&
          addr < s->r_timings + s->ctrl->nregs_timings) ||
diff --git a/hw/ssi/trace-events b/hw/ssi/trace-events
new file mode 100644
index 000000000000..ffe531a500aa
--- /dev/null
+++ b/hw/ssi/trace-events
@@ -0,0 +1,9 @@
+# aspeed_smc.c
+
+aspeed_smc_flash_set_segment(int cs, uint64_t reg, uint64_t start, uint64_t 
end) "CS%d segreg=0x%"PRIx64" [ 0x%"PRIx64" - 0x%"PRIx64" ]"
+aspeed_smc_flash_read(int cs, uint64_t addr,  uint32_t size, uint64_t data, 
int mode) "CS%d @0x%" PRIx64 " size %u: 0x%" PRIx64" mode:%d"
+aspeed_smc_do_snoop(int cs, int index, int dummies, int data) "CS%d index:0x%x 
dummies:%d data:0x%x"
+aspeed_smc_flash_write(int cs, uint64_t addr,  uint32_t size, uint64_t data, 
int mode) "CS%d @0x%" PRIx64 " size %u: 0x%" PRIx64" mode:%d"
+aspeed_smc_read(uint64_t addr,  uint32_t size, uint64_t data) "@0x%" PRIx64 " 
size %u: 0x%" PRIx64
+aspeed_smc_dma_checksum(uint32_t addr, uint32_t data) "0x%08x: 0x%08x"
+aspeed_smc_write(uint64_t addr,  uint32_t size, uint64_t data) "@0x%" PRIx64 " 
size %u: 0x%" PRIx64
-- 
2.21.1