hw/block/pflash_cfi: Replace DPRINTF with trace events

Rather than having a device specific debug implementation in
pflash_cfi01.c and pflash_cfi02.c, use the standard tracing facility.

Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210216142721.1985543-2-david.edmondson@oracle.com>
[PMD: Rebased, fixed pflash_write_block_erase trace event format]
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 33 insertions, 47 deletions

diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c
index 0791035..81f9f97 100644
--- a/hw/block/pflash_cfi01.c
+++ b/hw/block/pflash_cfi01.c
@@ -56,16 +56,6 @@
 #include "sysemu/runstate.h"
 #include "trace.h"
 
-/* #define PFLASH_DEBUG */
-#ifdef PFLASH_DEBUG
-#define DPRINTF(fmt, ...)                                   \
-do {                                                        \
-    fprintf(stderr, "PFLASH: " fmt , ## __VA_ARGS__);       \
-} while (0)
-#else
-#define DPRINTF(fmt, ...) do { } while (0)
-#endif
-
 #define PFLASH_BE          0
 #define PFLASH_SECURE      1
 
@@ -155,10 +145,8 @@ static uint32_t pflash_cfi_query(PFlashCFI01 *pfl, hwaddr offset)
          * wider part.
          */
         if (pfl->device_width != 1 || pfl->bank_width > 4) {
-            DPRINTF("%s: Unsupported device configuration: "
-                    "device_width=%d, max_device_width=%d\n",
-                    __func__, pfl->device_width,
-                    pfl->max_device_width);
+            trace_pflash_unsupported_device_configuration(pfl->name,
+                                    pfl->device_width, pfl->max_device_width);
             return 0;
         }
         /* CFI query data is repeated, rather than zero padded for
@@ -210,14 +198,14 @@ static uint32_t pflash_devid_query(PFlashCFI01 *pfl, hwaddr offset)
     switch (boff & 0xFF) {
     case 0:
         resp = pfl->ident0;
-        trace_pflash_manufacturer_id(resp);
+        trace_pflash_manufacturer_id(pfl->name, resp);
         break;
     case 1:
         resp = pfl->ident1;
-        trace_pflash_device_id(resp);
+        trace_pflash_device_id(pfl->name, resp);
         break;
     default:
-        trace_pflash_device_info(offset);
+        trace_pflash_device_info(pfl->name, offset);
         return 0;
     }
     /* Replicate responses for each device in bank. */
@@ -265,10 +253,9 @@ static uint32_t pflash_data_read(PFlashCFI01 *pfl, hwaddr offset,
         }
         break;
     default:
-        DPRINTF("BUG in %s\n", __func__);
         abort();
     }
-    trace_pflash_data_read(offset, width, ret);
+    trace_pflash_data_read(pfl->name, offset, width, ret);
     return ret;
 }
 
@@ -282,7 +269,7 @@ static uint32_t pflash_read(PFlashCFI01 *pfl, hwaddr offset,
     switch (pfl->cmd) {
     default:
         /* This should never happen : reset state & treat it as a read */
-        DPRINTF("%s: unknown command state: %x\n", __func__, pfl->cmd);
+        trace_pflash_read_unknown_state(pfl->name, pfl->cmd);
         pfl->wcycle = 0;
         /*
          * The command 0x00 is not assigned by the CFI open standard,
@@ -320,7 +307,7 @@ static uint32_t pflash_read(PFlashCFI01 *pfl, hwaddr offset,
              */
             ret |= pfl->status << 16;
         }
-        DPRINTF("%s: status %x\n", __func__, ret);
+        trace_pflash_read_status(pfl->name, ret);
         break;
     case 0x90:
         if (!pfl->device_width) {
@@ -335,14 +322,14 @@ static uint32_t pflash_read(PFlashCFI01 *pfl, hwaddr offset,
             switch (boff) {
             case 0:
                 ret = pfl->ident0 << 8 | pfl->ident1;
-                trace_pflash_manufacturer_id(ret);
+                trace_pflash_manufacturer_id(pfl->name, ret);
                 break;
             case 1:
                 ret = pfl->ident2 << 8 | pfl->ident3;
-                trace_pflash_device_id(ret);
+                trace_pflash_device_id(pfl->name, ret);
                 break;
             default:
-                trace_pflash_device_info(boff);
+                trace_pflash_device_info(pfl->name, boff);
                 ret = 0;
                 break;
             }
@@ -389,7 +376,7 @@ static uint32_t pflash_read(PFlashCFI01 *pfl, hwaddr offset,
 
         break;
     }
-    trace_pflash_io_read(offset, width, ret, pfl->cmd, pfl->wcycle);
+    trace_pflash_io_read(pfl->name, offset, width, ret, pfl->cmd, pfl->wcycle);
 
     return ret;
 }
@@ -419,7 +406,7 @@ static inline void pflash_data_write(PFlashCFI01 *pfl, hwaddr offset,
 {
     uint8_t *p = pfl->storage;
 
-    trace_pflash_data_write(offset, width, value, pfl->counter);
+    trace_pflash_data_write(pfl->name, offset, width, value, pfl->counter);
     switch (width) {
     case 1:
         p[offset] = value;
@@ -458,7 +445,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
 
     cmd = value;
 
-    trace_pflash_io_write(offset, width, value, pfl->wcycle);
+    trace_pflash_io_write(pfl->name, offset, width, value, pfl->wcycle);
     if (!pfl->wcycle) {
         /* Set the device in I/O access mode */
         memory_region_rom_device_set_romd(&pfl->mem, false);
@@ -472,14 +459,13 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
             goto mode_read_array;
         case 0x10: /* Single Byte Program */
         case 0x40: /* Single Byte Program */
-            DPRINTF("%s: Single Byte Program\n", __func__);
+            trace_pflash_write(pfl->name, "single byte program (0)");
             break;
         case 0x20: /* Block erase */
             p = pfl->storage;
             offset &= ~(pfl->sector_len - 1);
 
-            DPRINTF("%s: block erase at " TARGET_FMT_plx " bytes %x\n",
-                    __func__, offset, (unsigned)pfl->sector_len);
+            trace_pflash_write_block_erase(pfl->name, offset, pfl->sector_len);
 
             if (!pfl->ro) {
                 memset(p + offset, 0xff, pfl->sector_len);
@@ -490,25 +476,25 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
             pfl->status |= 0x80; /* Ready! */
             break;
         case 0x50: /* Clear status bits */
-            DPRINTF("%s: Clear status bits\n", __func__);
+            trace_pflash_write(pfl->name, "clear status bits");
             pfl->status = 0x0;
             goto mode_read_array;
         case 0x60: /* Block (un)lock */
-            DPRINTF("%s: Block unlock\n", __func__);
+            trace_pflash_write(pfl->name, "block unlock");
             break;
         case 0x70: /* Status Register */
-            DPRINTF("%s: Read status register\n", __func__);
+            trace_pflash_write(pfl->name, "read status register");
             pfl->cmd = cmd;
             return;
         case 0x90: /* Read Device ID */
-            DPRINTF("%s: Read Device information\n", __func__);
+            trace_pflash_write(pfl->name, "read device information");
             pfl->cmd = cmd;
             return;
         case 0x98: /* CFI query */
-            DPRINTF("%s: CFI query\n", __func__);
+            trace_pflash_write(pfl->name, "CFI query");
             break;
         case 0xe8: /* Write to buffer */
-            DPRINTF("%s: Write to buffer\n", __func__);
+            trace_pflash_write(pfl->name, "write to buffer");
             /* FIXME should save @offset, @width for case 1+ */
             qemu_log_mask(LOG_UNIMP,
                           "%s: Write to buffer emulation is flawed\n",
@@ -516,10 +502,10 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
             pfl->status |= 0x80; /* Ready! */
             break;
         case 0xf0: /* Probe for AMD flash */
-            DPRINTF("%s: Probe for AMD flash\n", __func__);
+            trace_pflash_write(pfl->name, "probe for AMD flash");
             goto mode_read_array;
         case 0xff: /* Read Array */
-            DPRINTF("%s: Read array mode\n", __func__);
+            trace_pflash_write(pfl->name, "read array mode");
             goto mode_read_array;
         default:
             goto error_flash;
@@ -531,7 +517,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
         switch (pfl->cmd) {
         case 0x10: /* Single Byte Program */
         case 0x40: /* Single Byte Program */
-            DPRINTF("%s: Single Byte Program\n", __func__);
+            trace_pflash_write(pfl->name, "single byte program (1)");
             if (!pfl->ro) {
                 pflash_data_write(pfl, offset, value, width, be);
                 pflash_update(pfl, offset, width);
@@ -563,7 +549,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
             } else {
                 value = extract32(value, 0, pfl->bank_width * 8);
             }
-            DPRINTF("%s: block write of %x bytes\n", __func__, value);
+            trace_pflash_write_block(pfl->name, value);
             pfl->counter = value;
             pfl->wcycle++;
             break;
@@ -577,7 +563,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
             } else if (cmd == 0xff) { /* Read Array */
                 goto mode_read_array;
             } else {
-                DPRINTF("%s: Unknown (un)locking command\n", __func__);
+                trace_pflash_write(pfl->name, "unknown (un)locking command");
                 goto mode_read_array;
             }
             break;
@@ -585,7 +571,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
             if (cmd == 0xff) { /* Read Array */
                 goto mode_read_array;
             } else {
-                DPRINTF("%s: leaving query mode\n", __func__);
+                trace_pflash_write(pfl->name, "leaving query mode");
             }
             break;
         default:
@@ -613,7 +599,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
                 hwaddr mask = pfl->writeblock_size - 1;
                 mask = ~mask;
 
-                DPRINTF("%s: block write finished\n", __func__);
+                trace_pflash_write(pfl->name, "block write finished");
                 pfl->wcycle++;
                 if (!pfl->ro) {
                     /* Flush the entire write buffer onto backing storage.  */
@@ -652,7 +638,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
         break;
     default:
         /* Should never happen */
-        DPRINTF("%s: invalid write state\n",  __func__);
+        trace_pflash_write(pfl->name, "invalid write state");
         goto mode_read_array;
     }
     return;
@@ -663,7 +649,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
                   "\n", __func__, offset, pfl->wcycle, pfl->cmd, value);
 
  mode_read_array:
-    trace_pflash_mode_read_array();
+    trace_pflash_mode_read_array(pfl->name);
     memory_region_rom_device_set_romd(&pfl->mem, true);
     pfl->wcycle = 0;
     pfl->cmd = 0x00; /* This model reset value for READ_ARRAY (not CFI) */
@@ -886,7 +872,7 @@ static void pflash_cfi01_system_reset(DeviceState *dev)
 {
     PFlashCFI01 *pfl = PFLASH_CFI01(dev);
 
-    trace_pflash_reset();
+    trace_pflash_reset(pfl->name);
     /*
      * The command 0x00 is not assigned by the CFI open standard,
      * but QEMU historically uses it for the READ_ARRAY command (0xff).
@@ -1041,7 +1027,7 @@ static void postload_update_cb(void *opaque, bool running, RunState state)
     qemu_del_vm_change_state_handler(pfl->vmstate);
     pfl->vmstate = NULL;
 
-    DPRINTF("%s: updating bdrv for %s\n", __func__, pfl->name);
+    trace_pflash_postload_cb(pfl->name);
     pflash_update(pfl, 0, pfl->sector_len * pfl->nb_blocs);
 }