From: Blue Swirl <blauwirbel@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6234] Improve PCI debug support
Date: Thu, 08 Jan 2009 18:52:52 +0000 [thread overview]
Message-ID: <E1LKzzw-0004SQ-DJ@cvs.savannah.gnu.org> (raw)
Revision: 6234
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6234
Author: blueswir1
Date: 2009-01-08 18:52:52 +0000 (Thu, 08 Jan 2009)
Log Message:
-----------
Improve PCI debug support
Modified Paths:
--------------
trunk/hw/pci_host.h
Modified: trunk/hw/pci_host.h
===================================================================
--- trunk/hw/pci_host.h 2009-01-08 18:48:12 UTC (rev 6233)
+++ trunk/hw/pci_host.h 2009-01-08 18:52:52 UTC (rev 6234)
@@ -25,6 +25,16 @@
/* Worker routines for a PCI host controller that uses an {address,data}
register pair to access PCI configuration space. */
+/* debug PCI */
+//#define DEBUG_PCI
+
+#ifdef DEBUG_PCI
+#define PCI_DPRINTF(fmt, args...) \
+do { printf("pci_host_data: " fmt , ##args); } while (0)
+#else
+#define PCI_DPRINTF(fmt, args...)
+#endif
+
typedef struct {
uint32_t config_reg;
PCIBus *bus;
@@ -33,6 +43,9 @@
static void pci_host_data_writeb(void* opaque, pci_addr_t addr, uint32_t val)
{
PCIHostState *s = opaque;
+
+ PCI_DPRINTF("writeb addr " TARGET_FMT_plx " val %x\n",
+ (target_phys_addr_t)addr, val);
if (s->config_reg & (1u << 31))
pci_data_write(s->bus, s->config_reg | (addr & 3), val, 1);
}
@@ -43,6 +56,8 @@
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap16(val);
#endif
+ PCI_DPRINTF("writew addr " TARGET_FMT_plx " val %x\n",
+ (target_phys_addr_t)addr, val);
if (s->config_reg & (1u << 31))
pci_data_write(s->bus, s->config_reg | (addr & 3), val, 2);
}
@@ -53,6 +68,8 @@
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap32(val);
#endif
+ PCI_DPRINTF("writel addr " TARGET_FMT_plx " val %x\n",
+ (target_phys_addr_t)addr, val);
if (s->config_reg & (1u << 31))
pci_data_write(s->bus, s->config_reg, val, 4);
}
@@ -60,9 +77,14 @@
static uint32_t pci_host_data_readb(void* opaque, pci_addr_t addr)
{
PCIHostState *s = opaque;
+ uint32_t val;
+
if (!(s->config_reg & (1 << 31)))
return 0xff;
- return pci_data_read(s->bus, s->config_reg | (addr & 3), 1);
+ val = pci_data_read(s->bus, s->config_reg | (addr & 3), 1);
+ PCI_DPRINTF("readb addr " TARGET_FMT_plx " val %x\n",
+ (target_phys_addr_t)addr, val);
+ return val;
}
static uint32_t pci_host_data_readw(void* opaque, pci_addr_t addr)
@@ -72,6 +94,8 @@
if (!(s->config_reg & (1 << 31)))
return 0xffff;
val = pci_data_read(s->bus, s->config_reg | (addr & 3), 2);
+ PCI_DPRINTF("readw addr " TARGET_FMT_plx " val %x\n",
+ (target_phys_addr_t)addr, val);
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap16(val);
#endif
@@ -85,6 +109,8 @@
if (!(s->config_reg & (1 << 31)))
return 0xffffffff;
val = pci_data_read(s->bus, s->config_reg | (addr & 3), 4);
+ PCI_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n",
+ (target_phys_addr_t)addr, val);
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap32(val);
#endif
reply other threads:[~2009-01-08 18:52 UTC|newest]
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