From 4a2daf6a99dcdcf177bf9e0d630fec8b5b65ca30 Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Fri, 9 Mar 2012 12:54:03 +0100 Subject: [PATCH] nvramtool: 64bit safe CBFS handling Change-Id: I4f23ee04cd6479e55e9467af1b0196936412deb1 Signed-off-by: Patrick Georgi Reviewed-on: http://review.coreboot.org/846 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- util/nvramtool/cbfs.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/util/nvramtool/cbfs.c b/util/nvramtool/cbfs.c index 8dc8b9190..801ee586b 100644 --- a/util/nvramtool/cbfs.c +++ b/util/nvramtool/cbfs.c @@ -33,10 +33,10 @@ #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) static void *cbfs_mapped; -static u32 cbfs_offset; +static void *cbfs_offset; static void* virt_to_phys(u32 virt) { - return (void*)(virt+cbfs_offset); + return cbfs_offset + virt; } #ifdef DEBUG @@ -71,11 +71,11 @@ static struct cbfs_header *cbfs_master_header(void) struct cbfs_file *cbfs_find(const char *name) { struct cbfs_header *header = cbfs_master_header(); - unsigned long offset; + void *offset; if (header == NULL) return NULL; - offset = (u32)virt_to_phys(0 - ntohl(header->romsize) + ntohl(header->offset)); + offset = virt_to_phys(0 - ntohl(header->romsize) + ntohl(header->offset)); int align= ntohl(header->align); @@ -88,14 +88,14 @@ struct cbfs_file *cbfs_find(const char *name) int flen = ntohl(file->len); int foffset = ntohl(file->offset); - debug("CBFS: follow chain: %p + %x + %x + align -> ", (void *)offset, foffset, flen); + debug("CBFS: follow chain: %p + %x + %x + align -> ", offset, foffset, flen); - unsigned long oldoffset = offset; - offset = ALIGN(offset + foffset + flen, align); + void *oldoffset = offset; + offset = (void*)ALIGN((uintptr_t)(offset + foffset + flen), align); debug("%p\n", (void *)offset); if (offset <= oldoffset) return NULL; - if (offset < (u32)virt_to_phys(0xFFFFFFFF - ntohl(header->romsize))) + if (offset < virt_to_phys(0xFFFFFFFF - ntohl(header->romsize))) return NULL; } } @@ -141,6 +141,6 @@ void open_cbfs(const char *filename) printf("Couldn't map '%s'\n", filename); exit(-1); } - cbfs_offset = (uint32_t)cbfs_mapped-(0xffffffff-cbfs_stat.st_size+1); + cbfs_offset = cbfs_mapped-(0xffffffff-cbfs_stat.st_size+1); } -- 2.25.1