diff options
Diffstat (limited to 'recipes/ixp4xx/ixp-osal-2.1/invalidate-cache.patch')
| -rw-r--r-- | recipes/ixp4xx/ixp-osal-2.1/invalidate-cache.patch | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/recipes/ixp4xx/ixp-osal-2.1/invalidate-cache.patch b/recipes/ixp4xx/ixp-osal-2.1/invalidate-cache.patch deleted file mode 100644 index 33c1d132db..0000000000 --- a/recipes/ixp4xx/ixp-osal-2.1/invalidate-cache.patch +++ /dev/null @@ -1,115 +0,0 @@ - os/linux/include/core/IxOsalOs.h | 17 ++++++++++ - os/linux/src/core/IxOsalOsCacheMMU.c | 56 +++++++++++++++++++++++++++++++++++ - os/linux/src/core/IxOsalOsSymbols.c | 4 ++ - 3 files changed, 76 insertions(+), 1 deletion(-) - ---- ixp_osal/os/linux/include/core/IxOsalOs.h 1970-01-01 00:00:00.000000000 +0000 -+++ ixp_osal/os/linux/include/core/IxOsalOs.h 1970-01-01 00:00:00.000000000 +0000 -@@ -56,6 +56,7 @@ - #include <linux/cache.h> - #include <linux/mm.h> - #include <linux/config.h> -+#include <linux/version.h> - #include <asm/pgalloc.h> - - /** -@@ -66,9 +67,23 @@ - - #define IX_OSAL_OS_MMU_PHYS_TO_VIRT(addr) ((addr) ? phys_to_virt((unsigned int)(addr)) : 0) - --#define IX_OSAL_OS_CACHE_INVALIDATE(addr, size) ( invalidate_dcache_range((__u32)addr, (__u32)addr + size )) -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) -+/* -+ * 2.6 kernels do not export the required cache functions. -+ */ -+extern void ixOsalCacheInvalidateRange(unsigned long start, unsigned long size); -+extern void ixOsalCacheFlushRange(unsigned long start, unsigned long size); -+ -+#define IX_OSAL_OS_CACHE_INVALIDATE(addr, size) \ -+ixOsalCacheInvalidateRange((unsigned long)addr, (unsigned long)addr + size) -+#define IX_OSAL_OS_CACHE_FLUSH(addr, size) \ -+ixOsalCacheFlushRange((unsigned long)addr, (unsigned long)addr + size ) - -+#else -+ -+#define IX_OSAL_OS_CACHE_INVALIDATE(addr, size) ( invalidate_dcache_range((__u32)addr, (__u32)addr + size )) - #define IX_OSAL_OS_CACHE_FLUSH(addr, size) ( clean_dcache_range((__u32)addr, (__u32)addr + size )) -+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) */ - - /* Cache preload not available*/ - #define IX_OSAL_OS_CACHE_PRELOAD(addr,size) {} ---- ixp_osal/os/linux/src/core/IxOsalOsCacheMMU.c 1970-01-01 00:00:00.000000000 +0000 -+++ ixp_osal/os/linux/src/core/IxOsalOsCacheMMU.c 1970-01-01 00:00:00.000000000 +0000 -@@ -210,3 +210,59 @@ ixOsalCacheDmaFree (void *ptr) - free_pages ((unsigned int) memptr, order); - } - } -+ -+ -+/* -+ * 2.6 kernels do not export the required cache functions. -+ */ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) -+ -+#define _IX_STR(x) #x -+#define IX_STR(x) _IX_STR(x) -+#define IX_CLM IX_STR(IX_OSAL_CACHE_LINE_SIZE-1) -+ -+/* -+ * reimplementation of kernel's invalidate_dcache_range() -+ */ -+void -+ixOsalCacheInvalidateRange(unsigned long start, unsigned long size) -+{ -+ __asm__ -+ (" tst %0, #" IX_CLM "\n" -+ " mcrne p15, 0, %0, c7, c10, 1 @ clean D cache line\n" -+ " bic %0, %0, #" IX_CLM "\n" -+ " tst %1, #" IX_CLM "\n" -+ " mcrne p15, 0, %1, c7, c10, 1 @ clean D cache line\n" -+ "1: mcr p15, 0, %0, c7, c6, 1 @ invalidate D cache line\n" -+ " add %0, %0, #" IX_STR(IX_OSAL_CACHE_LINE_SIZE) "\n" -+ " cmp %0, %1\n" -+ " blo 1b\n" -+ " mcr p15, 0, %0, c7, c10, 4 @ drain write & fill buffer\n" -+ : /* no output */ -+ : "r"(start), "r"(size) -+ : "cc"); -+} -+ -+/* -+ * reimplementation of kernel's invalidate_dcache_range() -+ */ -+void -+ixOsalCacheFlushRange(unsigned long start, unsigned long size) -+{ -+ __asm__ -+ (" bic %0, %0, #" IX_CLM "\n" -+ "1: mcr p15, 0, %0, c7, c10, 1 @ clean D cache line\n" -+ " add %0, %0, #" IX_STR(IX_OSAL_CACHE_LINE_SIZE) "\n" -+ " cmp %0, %1\n" -+ " blo 1b\n" -+ " mcr p15, 0, %0, c7, c10, 4 @ drain write & fill buffer\n" -+ : /* no output */ -+ : "r"(start), "r"(size) -+ : "cc"); -+} -+ -+#undef _IX_STR -+#undef IX_STR -+#undef IX_CLM -+ -+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) */ ---- ixp_osal/os/linux/src/core/IxOsalOsSymbols.c 1970-01-01 00:00:00.000000000 +0000 -+++ ixp_osal/os/linux/src/core/IxOsalOsSymbols.c 1970-01-01 00:00:00.000000000 +0000 -@@ -64,6 +64,10 @@ EXPORT_SYMBOL (ixOsalMemSet); - - EXPORT_SYMBOL (ixOsalCacheDmaMalloc); - EXPORT_SYMBOL (ixOsalCacheDmaFree); -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) -+EXPORT_SYMBOL (ixOsalCacheInvalidateRange); -+EXPORT_SYMBOL (ixOsalCacheFlushRange); -+#endif - - EXPORT_SYMBOL (ixOsalThreadCreate); - EXPORT_SYMBOL (ixOsalThreadStart); |