Remove code duplication in pci_host_template.h
by using cpp trick.
Based on Alexander Graf patch.
Cc: Alexander Graf <ag...@suse.de>
Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp>
---
hw/pci_host.c | 4 +-
hw/pci_host_template.h | 82 +++++++++----------------------------------
hw/pci_host_template_all.h | 23 ++++++++++++
3 files changed, 42 insertions(+), 67 deletions(-)
create mode 100644 hw/pci_host_template_all.h
diff --git a/hw/pci_host.c b/hw/pci_host.c
index 6289ead..307f7d4 100644
--- a/hw/pci_host.c
+++ b/hw/pci_host.c
@@ -190,7 +190,7 @@ void pci_host_conf_register_ioport(pio_addr_t ioport,
PCIHostState *s)
#define PCI_ADDR_T target_phys_addr_t
#define PCI_HOST_SUFFIX _mmio
-#include "pci_host_template.h"
+#include "pci_host_template_all.h"
static CPUWriteMemoryFunc * const pci_host_data_write_mmio[] = {
pci_host_data_writeb_mmio,
@@ -217,7 +217,7 @@ int pci_host_data_register_mmio(PCIHostState *s)
#define PCI_ADDR_T uint32_t
#define PCI_HOST_SUFFIX _ioport
-#include "pci_host_template.h"
+#include "pci_host_template_all.h"
void pci_host_data_register_ioport(pio_addr_t ioport, PCIHostState *s)
{
diff --git a/hw/pci_host_template.h b/hw/pci_host_template.h
index 11e6c88..2c508bf 100644
--- a/hw/pci_host_template.h
+++ b/hw/pci_host_template.h
@@ -25,85 +25,37 @@
/* Worker routines for a PCI host controller that uses an {address,data}
register pair to access PCI configuration space. */
-static void glue(pci_host_data_writeb, PCI_HOST_SUFFIX)(
+static void glue(glue(pci_host_data_write, PCI_HOST_BWL), PCI_HOST_SUFFIX)(
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);
-}
-
-static void glue(pci_host_data_writew, PCI_HOST_SUFFIX)(
- void* opaque, PCI_ADDR_T addr, uint32_t val)
-{
- PCIHostState *s = opaque;
-#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);
-}
-
-static void glue(pci_host_data_writel, PCI_HOST_SUFFIX)(
- void* opaque, PCI_ADDR_T addr, uint32_t val)
-{
- PCIHostState *s = opaque;
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
+#if defined(TARGET_WORDS_BIGENDIAN) && (PCI_HOST_BITS > 8)
+ val = glue(bswap, PCI_HOST_BITS)(val);
#endif
- PCI_DPRINTF("writel addr " TARGET_FMT_plx " val %x\n",
- (target_phys_addr_t)addr, val);
+ PCI_DPRINTF("%s: addr " TARGET_FMT_plx " val %x\n",
+ __func__, (target_phys_addr_t)addr, val);
if (s->config_reg & (1u << 31))
- pci_data_write(s->bus, s->config_reg, val, 4);
+ pci_data_write(s->bus, s->config_reg | (addr & 3), val,
+ sizeof(glue(glue(uint, PCI_HOST_BITS), _t)));
}
-static uint32_t glue(pci_host_data_readb, PCI_HOST_SUFFIX)(
+static uint32_t glue(glue(pci_host_data_read, PCI_HOST_BWL), PCI_HOST_SUFFIX)(
void* opaque, PCI_ADDR_T addr)
{
PCIHostState *s = opaque;
uint32_t val;
- if (!(s->config_reg & (1 << 31)))
- return 0xff;
- 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;
-}
+ if (!(s->config_reg & (1 << 31))) {
+ return ( 1ULL << PCI_HOST_BITS ) - 1;
+ }
-static uint32_t glue(pci_host_data_readw, PCI_HOST_SUFFIX)(
- void* opaque, PCI_ADDR_T addr)
-{
- PCIHostState *s = opaque;
- uint32_t val;
- 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
- return val;
-}
-
-static uint32_t glue(pci_host_data_readl, PCI_HOST_SUFFIX)(
- void* opaque, PCI_ADDR_T addr)
-{
- PCIHostState *s = opaque;
- uint32_t val;
- 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);
+ val = pci_data_read(s->bus, s->config_reg | (addr & 3),
+ sizeof(glue(glue(uint, PCI_HOST_BITS), _t)));
+ PCI_DPRINTF("%s addr " TARGET_FMT_plx " val %x\n",
+ __func__, (target_phys_addr_t)addr, val);
+#if defined(TARGET_WORDS_BIGENDIAN) && (PCI_HOST_BITS > 8)
+ val = glue(bswap, PCI_HOST_BITS)(val);
#endif
return val;
}
diff --git a/hw/pci_host_template_all.h b/hw/pci_host_template_all.h
new file mode 100644
index 0000000..74b3e84
--- /dev/null
+++ b/hw/pci_host_template_all.h
@@ -0,0 +1,23 @@
+#define PCI_HOST_BWL b
+#define PCI_HOST_BITS 8
+
+#include "pci_host_template.h"
+
+#undef PCI_HOST_BWL
+#undef PCI_HOST_BITS
+
+#define PCI_HOST_BWL w
+#define PCI_HOST_BITS 16
+
+#include "pci_host_template.h"
+
+#undef PCI_HOST_BWL
+#undef PCI_HOST_BITS
+
+#define PCI_HOST_BWL l
+#define PCI_HOST_BITS 32
+
+#include "pci_host_template.h"
+
+#undef PCI_HOST_BWL
+#undef PCI_HOST_BITS
--
1.6.5.4
