From 3860404b651d7c92c86a9789f9c163efb7ec9c8a Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Sat, 5 Apr 2008 01:07:27 +0000 Subject: libpayload: remove unneeded stack stuff Following on the previous code to streamline the libpayload init code, this removes the now unneeded stack structures. Signed-off-by: Jordan Crouse Acked-by: Uwe Hermann git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3217 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- payloads/libpayload/i386/head.S | 4 ++-- payloads/libpayload/i386/main.c | 17 ----------------- payloads/libpayload/libpayload.ldscript | 7 +------ 3 files changed, 3 insertions(+), 25 deletions(-) (limited to 'payloads') diff --git a/payloads/libpayload/i386/head.S b/payloads/libpayload/i386/head.S index e548329c66..8dc31aa54d 100644 --- a/payloads/libpayload/i386/head.S +++ b/payloads/libpayload/i386/head.S @@ -54,9 +54,9 @@ _init: movl %esp, %esi /* Setup new stack. */ - movl _istack, %ebx + movl $_stack, %ebx - movl (%ebx), %esp + movl %ebx, %esp /* Save old stack pointer. */ pushl %esi diff --git a/payloads/libpayload/i386/main.c b/payloads/libpayload/i386/main.c index a167218ffc..25e4de46d7 100644 --- a/payloads/libpayload/i386/main.c +++ b/payloads/libpayload/i386/main.c @@ -29,23 +29,6 @@ #include -/* - * This structure seeds the stack. We provide the return address of our main - * function, and further down, the address of the function that we call when - * we leave and try to restore the original stack. At the very bottom of the - * stack we store the original stack pointer from the calling application. - */ - -extern void _leave(void); - -static struct { - uint32_t esp; -} initial_stack __attribute__ ((section(".istack"))) = { - (uint32_t) &initial_stack, -}; - -void *_istack = &initial_stack; - /** * This is our C entry function - set up the system * and jump into the payload entry point. diff --git a/payloads/libpayload/libpayload.ldscript b/payloads/libpayload/libpayload.ldscript index 92ba2c05a8..7ae49e5808 100644 --- a/payloads/libpayload/libpayload.ldscript +++ b/payloads/libpayload/libpayload.ldscript @@ -73,17 +73,12 @@ SECTIONS . = ALIGN(16); _eheap = .; - _stack = .; + _estack = .; . += STACK_SIZE; . = ALIGN(16); _stack = .; } - /* Put the static bits of our inital stack at the bottom */ - .istack : { - *(.istack) - } - _end = .; /DISCARD/ : { *(.comment) *(.note) *(.note.*) } -- cgit v1.2.3