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- use sysconf to obtain the pagesize (Ivan Kuten)

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This commit is contained in:
Bernhard Reutner-Fischer 2007-06-25 11:12:51 +00:00
parent 489a777527
commit f7ce4eb03c
2 changed files with 65 additions and 7 deletions
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59
package/sdl/SDL-1.2.11-patch_PAGE_SIZE.patch Normal file
View File

@ -0,0 +1,59 @@
diff -urN SDL-1.2.11.orig/src/video/fbcon/SDL_fbvideo.c SDL-1.2.11/src/video/fbcon/SDL_fbvideo.c
--- SDL-1.2.11.orig/src/video/fbcon/SDL_fbvideo.c 2006-05-17 06:16:06.000000000 +0300
+++ SDL-1.2.11/src/video/fbcon/SDL_fbvideo.c 2007-06-24 22:19:41.000000000 +0300
@@ -29,9 +29,17 @@
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
-#include <asm/page.h> /* For definition of PAGE_SIZE */
#include <linux/vt.h>
+#if defined(linux)
+#define HAS_MMAP_ANON
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <asm/page.h> /* PAGE_SIZE */
+#define HAS_SC_PAGESIZE /* _SC_PAGESIZE may be an enum for Linux */
+#define HAS_GETPAGESIZE
+#endif /* linux */
+
#include "SDL_video.h"
#include "SDL_mouse.h"
#include "../SDL_sysvideo.h"
@@ -474,6 +482,7 @@
unsigned int current_h;
const char *SDL_fbdev;
FILE *modesdb;
+ int pagesize = -1;
/* Initialize the library */
SDL_fbdev = SDL_getenv("SDL_FBDEV");
@@ -545,9 +554,27 @@
}
}
+#if defined(_SC_PAGESIZE) && defined(HAS_SC_PAGESIZE)
+ pagesize = sysconf(_SC_PAGESIZE);
+#endif
+#ifdef _SC_PAGE_SIZE
+ if (pagesize == -1)
+ pagesize = sysconf(_SC_PAGE_SIZE);
+#endif
+#ifdef HAS_GETPAGESIZE
+ if (pagesize == -1)
+ pagesize = getpagesize();
+#endif
+#ifdef PAGE_SIZE
+ if (pagesize == -1)
+ pagesize = PAGE_SIZE;
+#endif
+ if (pagesize == -1)
+ pagesize = 4096;
+
/* Memory map the device, compensating for buggy PPC mmap() */
mapped_offset = (((long)finfo.smem_start) -
- (((long)finfo.smem_start)&~(PAGE_SIZE-1)));
+ (((long)finfo.smem_start)&~(pagesize-1)));
mapped_memlen = finfo.smem_len+mapped_offset;
mapped_mem = do_mmap(NULL, mapped_memlen,
PROT_READ|PROT_WRITE, MAP_SHARED, console_fd, 0);

13
package/sdl/sdl.mk
View File

@ -16,13 +16,12 @@ sdl-source: $(DL_DIR)/$(SDL_SOURCE)
$(SDL_DIR)/.unpacked: $(DL_DIR)/$(SDL_SOURCE)
$(SDL_CAT) $(DL_DIR)/$(SDL_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
touch $(SDL_DIR)/.unpacked
toolchain/patch-kernel.sh $(SDL_DIR) package/sdl sdl\*.patch
touch $@
$(SDL_DIR)/.configured: $(SDL_DIR)/.unpacked
(cd $(SDL_DIR); \
(cd $(SDL_DIR); rm -rf config.cache ; \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS)" \
LDFLAGS="$(TARGET_LDFLAGS)" \
./configure \
--target=$(GNU_TARGET_NAME) \
--host=$(GNU_TARGET_NAME) \
@ -43,15 +42,15 @@ $(SDL_DIR)/.configured: $(SDL_DIR)/.unpacked
--disable-esd \
--disable-nasm \
--disable-video-x11 );
touch $(SDL_DIR)/.configured
touch $@
$(SDL_DIR)/.compiled: $(SDL_DIR)/.configured
$(MAKE) -C $(SDL_DIR)
touch $(SDL_DIR)/.compiled
touch $@
$(STAGING_DIR)/usr/lib/libSDL.so: $(SDL_DIR)/.compiled
$(MAKE) DESTDIR=$(STAGING_DIR) -C $(SDL_DIR) install;
touch -c $(STAGING_DIR)/usr/lib/libSDL.so
touch -c $@
$(TARGET_DIR)/usr/lib/libSDL.so: $(STAGING_DIR)/usr/lib/libSDL.so
cp -dpf $(STAGING_DIR)/usr/lib/libSDL*.so* $(TARGET_DIR)/usr/lib/