From 99aa45595f45603526513d5e29fc00f8afbf3913 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 11 May 2009 16:02:10 -0700 Subject: [PATCH] x86, boot: remove dead code from boot/compressed/head_*.S Remove a couple of lines of dead code from arch/x86/boot/compressed/head_*.S; all of these update registers that are dead in the current code. [ Impact: cleanup ] Signed-off-by: H. Peter Anvin --- arch/x86/boot/compressed/head_32.S | 10 ---------- arch/x86/boot/compressed/head_64.S | 2 -- 2 files changed, 12 deletions(-) diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index 470474b..2b8e0df 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -100,16 +100,6 @@ ENTRY(startup_32) popl %esi /* - * Compute the kernel start address. - */ -#ifdef CONFIG_RELOCATABLE - addl $(CONFIG_PHYSICAL_ALIGN - 1), %ebp - andl $(~(CONFIG_PHYSICAL_ALIGN - 1)), %ebp -#else - movl $LOAD_PHYSICAL_ADDR, %ebp -#endif - -/* * Jump to the relocated address. */ leal relocated(%ebx), %eax diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index 4135d43..2bb500a 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -226,10 +226,8 @@ ENTRY(startup_64) leaq startup_32(%rip) /* - $startup_32 */, %rbp addq $(PMD_PAGE_SIZE - 1), %rbp andq $PMD_PAGE_MASK, %rbp - movq %rbp, %rbx #else movq $LOAD_PHYSICAL_ADDR, %rbp - movq %rbp, %rbx #endif /* Target address to relocate to for decompression */ -- 2.7.4