summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorYinghai Lu <yinghailu@gmail.com>2006-10-04 21:05:23 +0000
committerYinghai Lu <yinghailu@gmail.com>2006-10-04 21:05:23 +0000
commit93a5a194c5863262ed9b9fabc4cd40efcf1fddd9 (patch)
treed8372ae88f00176f2b0a0d8bf27dfbc233482e71
parent15b8ea74735044bf6cd88b178ce0468e027aca7c (diff)
failover_failover apc lds
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2438 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
-rw-r--r--src/arch/i386/lib/failover_failover.lds2
-rw-r--r--src/config/linuxbios_apc.ld100
2 files changed, 102 insertions, 0 deletions
diff --git a/src/arch/i386/lib/failover_failover.lds b/src/arch/i386/lib/failover_failover.lds
new file mode 100644
index 0000000000..e042aa8cef
--- /dev/null
+++ b/src/arch/i386/lib/failover_failover.lds
@@ -0,0 +1,2 @@
+ __fallback_image = (CONFIG_ROM_STREAM_START & 0xfffffff0) - 8;
+ __normal_image = ((CONFIG_ROM_STREAM_START - FALLBACK_SIZE) & 0xfffffff0) - 8;
diff --git a/src/config/linuxbios_apc.ld b/src/config/linuxbios_apc.ld
new file mode 100644
index 0000000000..9bf1dac7e8
--- /dev/null
+++ b/src/config/linuxbios_apc.ld
@@ -0,0 +1,100 @@
+/*
+ * Memory map:
+ *
+ * DCACHE_RAM_BASE
+ * : data segment
+ * : bss segment
+ * : heap
+ * : stack
+ */
+/*
+ * Bootstrap code for the STPC Consumer
+ * Copyright (c) 1999 by Net Insight AB. All Rights Reserved.
+ */
+
+/*
+ * Written by Johan Rydberg, based on work by Daniel Kahlin.
+ * Rewritten by Eric Biederman
+ * 2005.12 yhlu add linuxbios_ram cross the vga font buffer handling
+ * 2006.05 yhlu tailed it to use it for AP code in cache
+ */
+/*
+ * We use ELF as output format. So that we can
+ * debug the code in some form.
+ */
+INCLUDE ldoptions
+
+ENTRY(_start)
+
+SECTIONS
+{
+ . = DCACHE_RAM_BASE;
+ /*
+ * First we place the code and read only data (typically const declared).
+ * This get placed in rom.
+ */
+ .text : {
+ _text = .;
+ *(.text);
+ *(.text.*);
+ . = ALIGN(16);
+ _etext = .;
+ }
+ .rodata : {
+ _rodata = .;
+ . = ALIGN(4);
+ *(.rodata)
+ *(.rodata.*)
+ . = ALIGN(4);
+ _erodata = .;
+ }
+ /*
+ * After the code we place initialized data (typically initialized
+ * global variables). This gets copied into ram by startup code.
+ * __data_start and __data_end shows where in ram this should be placed,
+ * whereas __data_loadstart and __data_loadend shows where in rom to
+ * copy from.
+ */
+ .data : {
+ _data = .;
+ *(.data)
+ _edata = .;
+ }
+ /*
+ * bss does not contain data, it is just a space that should be zero
+ * initialized on startup. (typically uninitialized global variables)
+ * crt0.S fills between _bss and _ebss with zeroes.
+ */
+ _bss = .;
+ .bss . : {
+ *(.bss)
+ *(.sbss)
+ *(COMMON)
+ }
+ _ebss = .;
+ _end = .;
+ . = ALIGN(0x1000);
+ _stack = .;
+ .stack . : {
+ . = 0x4000;
+ }
+ _estack = .;
+ _heap = .;
+ .heap . : {
+ . = ALIGN(4);
+ }
+ _eheap = .;
+ /* The ram segment
+ * This is all address of the memory resident copy of linuxBIOS.
+ */
+ _ram_seg = _text;
+ _eram_seg = _eheap;
+
+ _bogus = ASSERT( ( _eram_seg <= ((DCACHE_RAM_BASE + DCACHE_RAM_SIZE - DCACHE_RAM_GLOBAL_VAR_SIZE))) , "linuxbios_apc is too big");
+
+ /DISCARD/ : {
+ *(.comment)
+ *(.note)
+ *(.note.*)
+ }
+}