aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--hw/usb/hcd-xhci.c163
-rw-r--r--trace-events12
2 files changed, 117 insertions, 58 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 4bc1e0e..84d714a 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -23,6 +23,7 @@
#include "hw/usb.h"
#include "hw/pci.h"
#include "hw/msi.h"
+#include "trace.h"
//#define DEBUG_XHCI
//#define DEBUG_DATA
@@ -2301,7 +2302,7 @@ static void xhci_reset(DeviceState *dev)
XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev);
int i;
- DPRINTF("xhci: full reset\n");
+ trace_usb_xhci_reset();
if (!(xhci->usbsts & USBSTS_HCH)) {
fprintf(stderr, "xhci: reset while running!\n");
}
@@ -2342,77 +2343,98 @@ static void xhci_reset(DeviceState *dev)
static uint32_t xhci_cap_read(XHCIState *xhci, uint32_t reg)
{
- DPRINTF("xhci_cap_read(0x%x)\n", reg);
+ uint32_t ret;
switch (reg) {
case 0x00: /* HCIVERSION, CAPLENGTH */
- return 0x01000000 | LEN_CAP;
+ ret = 0x01000000 | LEN_CAP;
+ break;
case 0x04: /* HCSPARAMS 1 */
- return (MAXPORTS<<24) | (MAXINTRS<<8) | MAXSLOTS;
+ ret = (MAXPORTS<<24) | (MAXINTRS<<8) | MAXSLOTS;
+ break;
case 0x08: /* HCSPARAMS 2 */
- return 0x0000000f;
+ ret = 0x0000000f;
+ break;
case 0x0c: /* HCSPARAMS 3 */
- return 0x00000000;
+ ret = 0x00000000;
+ break;
case 0x10: /* HCCPARAMS */
-#if TARGET_PHYS_ADDR_BITS > 32
- return 0x00081001;
-#else
- return 0x00081000;
-#endif
+ if (sizeof(dma_addr_t) == 4) {
+ ret = 0x00081000;
+ } else {
+ ret = 0x00081001;
+ }
+ break;
case 0x14: /* DBOFF */
- return OFF_DOORBELL;
+ ret = OFF_DOORBELL;
+ break;
case 0x18: /* RTSOFF */
- return OFF_RUNTIME;
+ ret = OFF_RUNTIME;
+ break;
/* extended capabilities */
case 0x20: /* Supported Protocol:00 */
-#if USB3_PORTS > 0
- return 0x02000402; /* USB 2.0 */
-#else
- return 0x02000002; /* USB 2.0 */
-#endif
+ ret = 0x02000402; /* USB 2.0 */
+ break;
case 0x24: /* Supported Protocol:04 */
- return 0x20425455; /* "USB " */
+ ret = 0x20425455; /* "USB " */
+ break;
case 0x28: /* Supported Protocol:08 */
- return 0x00000001 | (USB2_PORTS<<8);
+ ret = 0x00000001 | (USB2_PORTS<<8);
+ break;
case 0x2c: /* Supported Protocol:0c */
- return 0x00000000; /* reserved */
-#if USB3_PORTS > 0
+ ret = 0x00000000; /* reserved */
+ break;
case 0x30: /* Supported Protocol:00 */
- return 0x03000002; /* USB 3.0 */
+ ret = 0x03000002; /* USB 3.0 */
+ break;
case 0x34: /* Supported Protocol:04 */
- return 0x20425455; /* "USB " */
+ ret = 0x20425455; /* "USB " */
+ break;
case 0x38: /* Supported Protocol:08 */
- return 0x00000000 | (USB2_PORTS+1) | (USB3_PORTS<<8);
+ ret = 0x00000000 | (USB2_PORTS+1) | (USB3_PORTS<<8);
+ break;
case 0x3c: /* Supported Protocol:0c */
- return 0x00000000; /* reserved */
-#endif
+ ret = 0x00000000; /* reserved */
+ break;
default:
fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", reg);
+ ret = 0;
}
- return 0;
+
+ trace_usb_xhci_cap_read(reg, ret);
+ return ret;
}
static uint32_t xhci_port_read(XHCIState *xhci, uint32_t reg)
{
uint32_t port = reg >> 4;
+ uint32_t ret;
+
if (port >= MAXPORTS) {
fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port);
- return 0;
+ ret = 0;
+ goto out;
}
switch (reg & 0xf) {
case 0x00: /* PORTSC */
- return xhci->ports[port].portsc;
+ ret = xhci->ports[port].portsc;
+ break;
case 0x04: /* PORTPMSC */
case 0x08: /* PORTLI */
- return 0;
+ ret = 0;
+ break;
case 0x0c: /* reserved */
default:
fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n",
port, reg);
- return 0;
+ ret = 0;
}
+
+out:
+ trace_usb_xhci_port_read(port, reg & 0x0f, ret);
+ return ret;
}
static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
@@ -2420,6 +2442,8 @@ static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
uint32_t port = reg >> 4;
uint32_t portsc;
+ trace_usb_xhci_port_write(port, reg & 0x0f, val);
+
if (port >= MAXPORTS) {
fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port);
return;
@@ -2457,7 +2481,7 @@ static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
static uint32_t xhci_oper_read(XHCIState *xhci, uint32_t reg)
{
- DPRINTF("xhci_oper_read(0x%x)\n", reg);
+ uint32_t ret;
if (reg >= 0x400) {
return xhci_port_read(xhci, reg - 0x400);
@@ -2465,38 +2489,50 @@ static uint32_t xhci_oper_read(XHCIState *xhci, uint32_t reg)
switch (reg) {
case 0x00: /* USBCMD */
- return xhci->usbcmd;
+ ret = xhci->usbcmd;
+ break;
case 0x04: /* USBSTS */
- return xhci->usbsts;
+ ret = xhci->usbsts;
+ break;
case 0x08: /* PAGESIZE */
- return 1; /* 4KiB */
+ ret = 1; /* 4KiB */
+ break;
case 0x14: /* DNCTRL */
- return xhci->dnctrl;
+ ret = xhci->dnctrl;
+ break;
case 0x18: /* CRCR low */
- return xhci->crcr_low & ~0xe;
+ ret = xhci->crcr_low & ~0xe;
+ break;
case 0x1c: /* CRCR high */
- return xhci->crcr_high;
+ ret = xhci->crcr_high;
+ break;
case 0x30: /* DCBAAP low */
- return xhci->dcbaap_low;
+ ret = xhci->dcbaap_low;
+ break;
case 0x34: /* DCBAAP high */
- return xhci->dcbaap_high;
+ ret = xhci->dcbaap_high;
+ break;
case 0x38: /* CONFIG */
- return xhci->config;
+ ret = xhci->config;
+ break;
default:
fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", reg);
+ ret = 0;
}
- return 0;
+
+ trace_usb_xhci_oper_read(reg, ret);
+ return ret;
}
static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val)
{
- DPRINTF("xhci_oper_write(0x%x, 0x%08x)\n", reg, val);
-
if (reg >= 0x400) {
xhci_port_write(xhci, reg - 0x400, val);
return;
}
+ trace_usb_xhci_oper_write(reg, val);
+
switch (reg) {
case 0x00: /* USBCMD */
if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) {
@@ -2552,35 +2588,46 @@ static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val)
static uint32_t xhci_runtime_read(XHCIState *xhci, uint32_t reg)
{
- DPRINTF("xhci_runtime_read(0x%x)\n", reg);
+ uint32_t ret;
switch (reg) {
case 0x00: /* MFINDEX */
fprintf(stderr, "xhci_runtime_read: MFINDEX not yet implemented\n");
- return xhci->mfindex;
+ ret = xhci->mfindex;
+ break;
case 0x20: /* IMAN */
- return xhci->iman;
+ ret = xhci->iman;
+ break;
case 0x24: /* IMOD */
- return xhci->imod;
+ ret = xhci->imod;
+ break;
case 0x28: /* ERSTSZ */
- return xhci->erstsz;
+ ret = xhci->erstsz;
+ break;
case 0x30: /* ERSTBA low */
- return xhci->erstba_low;
+ ret = xhci->erstba_low;
+ break;
case 0x34: /* ERSTBA high */
- return xhci->erstba_high;
+ ret = xhci->erstba_high;
+ break;
case 0x38: /* ERDP low */
- return xhci->erdp_low;
+ ret = xhci->erdp_low;
+ break;
case 0x3c: /* ERDP high */
- return xhci->erdp_high;
+ ret = xhci->erdp_high;
+ break;
default:
fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", reg);
+ ret = 0;
}
- return 0;
+
+ trace_usb_xhci_runtime_read(reg, ret);
+ return ret;
}
static void xhci_runtime_write(XHCIState *xhci, uint32_t reg, uint32_t val)
{
- DPRINTF("xhci_runtime_write(0x%x, 0x%08x)\n", reg, val);
+ trace_usb_xhci_runtime_read(reg, val);
switch (reg) {
case 0x20: /* IMAN */
@@ -2623,14 +2670,14 @@ static void xhci_runtime_write(XHCIState *xhci, uint32_t reg, uint32_t val)
static uint32_t xhci_doorbell_read(XHCIState *xhci, uint32_t reg)
{
- DPRINTF("xhci_doorbell_read(0x%x)\n", reg);
/* doorbells always read as 0 */
+ trace_usb_xhci_doorbell_read(reg, 0);
return 0;
}
static void xhci_doorbell_write(XHCIState *xhci, uint32_t reg, uint32_t val)
{
- DPRINTF("xhci_doorbell_write(0x%x, 0x%08x)\n", reg, val);
+ trace_usb_xhci_doorbell_write(reg, val);
if (!xhci_running(xhci)) {
fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n");
diff --git a/trace-events b/trace-events
index dd057bc..b70b161 100644
--- a/trace-events
+++ b/trace-events
@@ -289,6 +289,18 @@ usb_uhci_td_nextqh(uint32_t qh, uint32_t td) "qh 0x%x, td 0x%x"
usb_uhci_td_async(uint32_t qh, uint32_t td) "qh 0x%x, td 0x%x"
usb_uhci_td_complete(uint32_t qh, uint32_t td) "qh 0x%x, td 0x%x"
+# hw/usb/hcd-xhci.c
+usb_xhci_reset(void) "=== RESET ==="
+usb_xhci_cap_read(uint32_t off, uint32_t val) "off 0x%04x, ret 0x%08x"
+usb_xhci_oper_read(uint32_t off, uint32_t val) "off 0x%04x, ret 0x%08x"
+usb_xhci_port_read(uint32_t port, uint32_t off, uint32_t val) "port %d, off 0x%04x, ret 0x%08x"
+usb_xhci_runtime_read(uint32_t off, uint32_t val) "off 0x%04x, ret 0x%08x"
+usb_xhci_doorbell_read(uint32_t off, uint32_t val) "off 0x%04x, ret 0x%08x"
+usb_xhci_oper_write(uint32_t off, uint32_t val) "off 0x%04x, val 0x%08x"
+usb_xhci_port_write(uint32_t port, uint32_t off, uint32_t val) "port %d, off 0x%04x, val 0x%08x"
+usb_xhci_runtime_write(uint32_t off, uint32_t val) "off 0x%04x, val 0x%08x"
+usb_xhci_doorbell_write(uint32_t off, uint32_t val) "off 0x%04x, val 0x%08x"
+
# hw/usb/desc.c
usb_desc_device(int addr, int len, int ret) "dev %d query device, len %d, ret %d"
usb_desc_device_qualifier(int addr, int len, int ret) "dev %d query device qualifier, len %d, ret %d"
generated by cgit v1.1 at 2024-12-24 14:15:19 +0000