Make building with different libpci versions easier. The defines might go into

official libpci for 2.2


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1878 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 47 insertions, 1 deletions

diff --git a/util/vgabios/Makefile b/util/vgabios/Makefile
index d1c10f2..5fadba6 100644
--- a/util/vgabios/Makefile
+++ b/util/vgabios/Makefile
@@ -1,5 +1,17 @@
+#
+# NOTE: You need to add your libpci.a version to CFLAGS below if
+# pci-userspace.c does not build.
+#
+# If you are building on AMD64, you have to use /usr/lib64/libpci.a instead of
+# /usr/lib/...
+#
+
 CC       =  gcc
-CFLAGS   =  -Wall -Ix86emu/include -O2 -g
+CFLAGS   =  -Wall -Ix86emu/include -O2 -g \
+		-DLIBPCI_MAJOR_VERSION=2  \
+		-DLIBPCI_MINOR_VERSION=1  \
+		-DLIBPCI_MICRO_VERSION=11
+
 
 INTOBJS  =  int10.o int15.o int16.o int1a.o inte6.o
 OBJECTS  =  testbios.o helper_exec.o helper_mem.o $(INTOBJS)
diff --git a/util/vgabios/pci-userspace.c b/util/vgabios/pci-userspace.c
index f09c167..7578e6f 100644
--- a/util/vgabios/pci-userspace.c
+++ b/util/vgabios/pci-userspace.c
@@ -2,6 +2,12 @@
 #include <pci/pci.h>
 #include "pci.h"
 
+#define LIBPCI_CHECK_VERSION(major,minor,micro) \
+ ( (LIBPCI_MAJOR_VERSION > (major)) || \
+   (LIBPCI_MAJOR_VERSION == (major) && LIBPCI_MINOR_VERSION > (minor)) || \
+ (LIBPCI_MAJOR_VERSION == (major) && LIBPCI_MINOR_VERSION == (minor)) && \
+ LIBPCI_MICRO_VERSION >= (micro) )
+
 #define PCITAG struct pci_filter *
 
 #define DEBUG_PCI 1
@@ -44,7 +50,11 @@ PCITAG findPci(unsigned short bx)
 	tag->slot = slot;
 	tag->func = func;
 
+#if LIBPCI_CHECK_VERSION(2,1,99)
 	if (pci_get_dev(pacc, 0, bus, slot, func))
+#else
+	if (pci_get_dev(pacc, bus, slot, func))
+#endif
 		return tag;
 
 	return NULL;
@@ -58,7 +68,11 @@ u32 pciSlotBX(PCITAG tag)
 u8 pciReadByte(PCITAG tag, u32 idx)
 {
 	struct pci_dev *d;
+#if LIBPCI_CHECK_VERSION(2,1,99)
 	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
+#else
+	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
+#endif
 		return pci_read_byte(d, idx);
 #ifdef DEBUG_PCI
 	printf("PCI: device not found while read byte (%x:%x.%x)\n",
@@ -70,7 +84,11 @@ u8 pciReadByte(PCITAG tag, u32 idx)
 u16 pciReadWord(PCITAG tag, u32 idx)
 {
 	struct pci_dev *d;
+#if LIBPCI_CHECK_VERSION(2,1,99)
 	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
+#else
+	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
+#endif
 		return pci_read_word(d, idx);
 #ifdef DEBUG_PCI
 	printf("PCI: device not found while read word (%x:%x.%x)\n",
@@ -82,7 +100,11 @@ u16 pciReadWord(PCITAG tag, u32 idx)
 u32 pciReadLong(PCITAG tag, u32 idx)
 {
 	struct pci_dev *d;
+#if LIBPCI_CHECK_VERSION(2,1,99)
 	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
+#else
+	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
+#endif
 		return pci_read_long(d, idx);
 #ifdef DEBUG_PCI
 	printf("PCI: device not found while read long (%x:%x.%x)\n",
@@ -95,7 +117,11 @@ u32 pciReadLong(PCITAG tag, u32 idx)
 void pciWriteLong(PCITAG tag, u32 idx, u32 data)
 {
 	struct pci_dev *d;
+#if LIBPCI_CHECK_VERSION(2,1,99)
 	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
+#else
+	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
+#endif
 		pci_write_long(d, idx, data);
 #ifdef DEBUG_PCI
 	else
@@ -107,7 +133,11 @@ void pciWriteLong(PCITAG tag, u32 idx, u32 data)
 void pciWriteWord(PCITAG tag, u32 idx, u16 data)
 {
 	struct pci_dev *d;
+#if LIBPCI_CHECK_VERSION(2,1,99)
 	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
+#else
+	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
+#endif
 		pci_write_word(d, idx, data);
 #ifdef DEBUG_PCI
 	else
@@ -120,7 +150,11 @@ void pciWriteWord(PCITAG tag, u32 idx, u16 data)
 void pciWriteByte(PCITAG tag, u32 idx, u8 data)
 {
 	struct pci_dev *d;
+#if LIBPCI_CHECK_VERSION(2,1,99)
 	if ((d = pci_get_dev(pacc, 0, tag->bus, tag->slot, tag->func)))
+#else
+	if ((d = pci_get_dev(pacc, tag->bus, tag->slot, tag->func)))
+#endif
 		pci_write_long(d, idx, data);
 #ifdef DEBUG_PCI
 	else