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[Qemu-devel] [PATCH 08/25] pci: use helper functions to access pci confi
From: |
Isaku Yamahata |
Subject: |
[Qemu-devel] [PATCH 08/25] pci: use helper functions to access pci config space. |
Date: |
Sat, 3 Oct 2009 05:16:00 +0900 |
use pci_[gs]et_{byte, word, long}() to access pci configuration
space.
Signed-off-by: Isaku Yamahata <address@hidden>
---
hw/pci.c | 38 ++++++++++++++++++--------------------
1 files changed, 18 insertions(+), 20 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 39791d0..21e23b0 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -426,9 +426,9 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num,
} else {
addr = 0x10 + region_num * 4;
}
- *(uint32_t *)(pci_dev->config + addr) = cpu_to_le32(type);
- *(uint32_t *)(pci_dev->wmask + addr) = cpu_to_le32(wmask);
- *(uint32_t *)(pci_dev->cmask + addr) = 0xffffffff;
+ pci_set_long(pci_dev->config + addr, type);
+ pci_set_long(pci_dev->wmask + addr, wmask);
+ pci_set_long(pci_dev->cmask + addr, 0xffffffff);
}
static void pci_update_mappings(PCIDevice *d)
@@ -437,7 +437,7 @@ static void pci_update_mappings(PCIDevice *d)
int cmd, i;
uint32_t last_addr, new_addr, config_ofs;
- cmd = le16_to_cpu(*(uint16_t *)(d->config + PCI_COMMAND));
+ cmd = pci_get_word(d->config + PCI_COMMAND);
for(i = 0; i < PCI_NUM_REGIONS; i++) {
r = &d->io_regions[i];
if (i == PCI_ROM_SLOT) {
@@ -448,8 +448,7 @@ static void pci_update_mappings(PCIDevice *d)
if (r->size != 0) {
if (r->type & PCI_ADDRESS_SPACE_IO) {
if (cmd & PCI_COMMAND_IO) {
- new_addr = le32_to_cpu(*(uint32_t *)(d->config +
- config_ofs));
+ new_addr = pci_get_long(d->config + config_ofs);
new_addr = new_addr & ~(r->size - 1);
last_addr = new_addr + r->size - 1;
/* NOTE: we have only 64K ioports on PC */
@@ -462,8 +461,7 @@ static void pci_update_mappings(PCIDevice *d)
}
} else {
if (cmd & PCI_COMMAND_MEMORY) {
- new_addr = le32_to_cpu(*(uint32_t *)(d->config +
- config_ofs));
+ new_addr = pci_get_long(d->config + config_ofs);
/* the ROM slot has a specific enable bit */
if (i == PCI_ROM_SLOT && !(new_addr & 1))
goto no_mem_map;
@@ -489,7 +487,7 @@ static void pci_update_mappings(PCIDevice *d)
int class;
/* NOTE: specific hack for IDE in PC case:
only one byte must be mapped. */
- class = d->config[0x0a] | (d->config[0x0b] << 8);
+ class = pci_get_word(d->config + PCI_CLASS_DEVICE);
if (class == 0x0101 && r->size == 4) {
isa_unassign_ioport(r->addr + 2, 1);
} else {
@@ -520,18 +518,18 @@ uint32_t pci_default_read_config(PCIDevice *d,
default:
case 4:
if (address <= 0xfc) {
- val = le32_to_cpu(*(uint32_t *)(d->config + address));
+ val = pci_get_long(d->config + address);
break;
}
/* fall through */
case 2:
if (address <= 0xfe) {
- val = le16_to_cpu(*(uint16_t *)(d->config + address));
+ val = pci_get_word(d->config + address);
break;
}
/* fall through */
case 1:
- val = d->config[address];
+ val = pci_get_byte(d->config + address);
break;
}
return val;
@@ -704,7 +702,7 @@ static void pci_info_device(PCIDevice *d)
monitor_printf(mon, " Bus %2d, device %3d, function %d:\n",
d->bus->bus_num, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn));
- class = le16_to_cpu(*((uint16_t *)(d->config + PCI_CLASS_DEVICE)));
+ class = pci_get_word(d->config + PCI_CLASS_DEVICE);
monitor_printf(mon, " ");
desc = pci_class_descriptions;
while (desc->desc && class != desc->class)
@@ -715,8 +713,8 @@ static void pci_info_device(PCIDevice *d)
monitor_printf(mon, "Class %04x", class);
}
monitor_printf(mon, ": PCI device %04x:%04x\n",
- le16_to_cpu(*((uint16_t *)(d->config + PCI_VENDOR_ID))),
- le16_to_cpu(*((uint16_t *)(d->config + PCI_DEVICE_ID))));
+ pci_get_word(d->config + PCI_VENDOR_ID),
+ pci_get_word(d->config + PCI_DEVICE_ID));
if (d->config[PCI_INTERRUPT_PIN] != 0) {
monitor_printf(mon, " IRQ %d.\n",
@@ -1026,7 +1024,7 @@ static void pcibus_dev_print(Monitor *mon, DeviceState
*dev, int indent)
PCIIORegion *r;
int i, class;
- class = le16_to_cpu(*((uint16_t *)(d->config + PCI_CLASS_DEVICE)));
+ class = pci_get_word(d->config + PCI_CLASS_DEVICE);
desc = pci_class_descriptions;
while (desc->desc && class != desc->class)
desc++;
@@ -1040,10 +1038,10 @@ static void pcibus_dev_print(Monitor *mon, DeviceState
*dev, int indent)
"pci id %04x:%04x (sub %04x:%04x)\n",
indent, "", ctxt,
d->bus->bus_num, PCI_SLOT(d->devfn), PCI_FUNC(d->devfn),
- le16_to_cpu(*((uint16_t *)(d->config + PCI_VENDOR_ID))),
- le16_to_cpu(*((uint16_t *)(d->config + PCI_DEVICE_ID))),
- le16_to_cpu(*((uint16_t *)(d->config +
PCI_SUBSYSTEM_VENDOR_ID))),
- le16_to_cpu(*((uint16_t *)(d->config + PCI_SUBSYSTEM_ID))));
+ pci_get_word(d->config + PCI_VENDOR_ID),
+ pci_get_word(d->config + PCI_DEVICE_ID),
+ pci_get_word(d->config + PCI_SUBSYSTEM_VENDOR_ID),
+ pci_get_word(d->config + PCI_SUBSYSTEM_ID));
for (i = 0; i < PCI_NUM_REGIONS; i++) {
r = &d->io_regions[i];
if (!r->size)
--
1.6.0.2
- [Qemu-devel] [PATCH 01/25] pci: fix PCI_DPRINTF() wrt variadic macro., (continued)
[Qemu-devel] [PATCH 08/25] pci: use helper functions to access pci config space.,
Isaku Yamahata <=
[Qemu-devel] [PATCH 10/25] pci: introduce FMT_pcibus for printf format for pcibus_t., Isaku Yamahata, 2009/10/02
[Qemu-devel] [PATCH 14/25] pci: factor out the logic to get pci device from address., Isaku Yamahata, 2009/10/02
[Qemu-devel] [PATCH 25/25] pci/monitor: print out bridge's filtering values and so on., Isaku Yamahata, 2009/10/02
[Qemu-devel] [PATCH 04/25] pci: use the symbolic constant, PCI_ROM_ADDRESS_ENABLE instead of 1., Isaku Yamahata, 2009/10/02
[Qemu-devel] [PATCH 15/25] pci_host.h: split non-inline static function in pci_host.h into pci_host.c, Isaku Yamahata, 2009/10/02
[Qemu-devel] [PATCH 20/25] pci: factor out config update logic., Isaku Yamahata, 2009/10/02