diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/kernel/resource.c')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/kernel/resource.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/resource.c b/ANDROID_3.4.5/arch/x86/kernel/resource.c deleted file mode 100644 index 2a26819b..00000000 --- a/ANDROID_3.4.5/arch/x86/kernel/resource.c +++ /dev/null @@ -1,48 +0,0 @@ -#include <linux/ioport.h> -#include <asm/e820.h> - -static void resource_clip(struct resource *res, resource_size_t start, - resource_size_t end) -{ - resource_size_t low = 0, high = 0; - - if (res->end < start || res->start > end) - return; /* no conflict */ - - if (res->start < start) - low = start - res->start; - - if (res->end > end) - high = res->end - end; - - /* Keep the area above or below the conflict, whichever is larger */ - if (low > high) - res->end = start - 1; - else - res->start = end + 1; -} - -static void remove_e820_regions(struct resource *avail) -{ - int i; - struct e820entry *entry; - - for (i = 0; i < e820.nr_map; i++) { - entry = &e820.map[i]; - - resource_clip(avail, entry->addr, - entry->addr + entry->size - 1); - } -} - -void arch_remove_reservations(struct resource *avail) -{ - /* Trim out BIOS areas (low 1MB and high 2MB) and E820 regions */ - if (avail->flags & IORESOURCE_MEM) { - if (avail->start < BIOS_END) - avail->start = BIOS_END; - resource_clip(avail, BIOS_ROM_BASE, BIOS_ROM_END); - - remove_e820_regions(avail); - } -} |