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authorStefan Reinauer <stepan@coresystems.de>2008-01-18 16:16:45 +0000
committerStefan Reinauer <stepan@openbios.org>2008-01-18 16:16:45 +0000
commitca374d455cad29c546a2d310c331a4ae431c33f9 (patch)
tree63d7914ee3fb021750389ab5ef45b2f0d376d476 /src/config/coreboot_ram.ld
parent997afe6ca576dcc0117891294b5f51f29864f354 (diff)
downloadcoreboot-ca374d455cad29c546a2d310c331a4ae431c33f9.tar.xz
rename linuxbios_* files, too.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3057 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/config/coreboot_ram.ld')
-rw-r--r--src/config/coreboot_ram.ld121
1 files changed, 121 insertions, 0 deletions
diff --git a/src/config/coreboot_ram.ld b/src/config/coreboot_ram.ld
new file mode 100644
index 0000000000..5af6e74100
--- /dev/null
+++ b/src/config/coreboot_ram.ld
@@ -0,0 +1,121 @@
+/*
+ * Memory map:
+ *
+ * _RAMBASE
+ * : 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 coreboot_ram cross the vga font buffer handling
+ */
+/*
+ * We use ELF as output format. So that we can
+ * debug the code in some form.
+ */
+INCLUDE ldoptions
+
+ENTRY(_start)
+
+SECTIONS
+{
+ . = _RAMBASE;
+ /*
+ * 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);
+ console_drivers = .;
+ *(.rodata.console_drivers)
+ econsole_drivers = . ;
+ . = ALIGN(4);
+ pci_drivers = . ;
+ *(.rodata.pci_driver)
+ epci_drivers = . ;
+ cpu_drivers = . ;
+ *(.rodata.cpu_driver)
+ ecpu_drivers = . ;
+ *(.rodata)
+ *(.rodata.*)
+ /*
+ * kevinh/Ispiri - Added an align, because the objcopy tool
+ * incorrectly converts sections that are not long word aligned.
+ * This breaks the coreboot.strip target.
+ */
+ . = 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(STACK_SIZE);
+ _stack = .;
+ .stack . : {
+ /* Reserve a stack for each possible cpu */
+ /* the stack for ap will be put after pgtbl in 1M to CONFIG_LB_MEM_TOPK range when VGA and ROM_RUN and CONFIG_LB_MEM_TOPK>1024*/
+ . = ((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN)&&(_RAMBASE<0x100000)&&(CONFIG_LB_MEM_TOPK>(0x100000>>10)) ) ? STACK_SIZE : (CONFIG_MAX_CPUS*STACK_SIZE);
+ }
+ _estack = .;
+ _heap = .;
+ .heap . : {
+ /* Reserve 256K for the heap */
+ . = HEAP_SIZE ;
+ . = ALIGN(4);
+ }
+ _eheap = .;
+ /* The ram segment
+ * This is all address of the memory resident copy of coreboot.
+ */
+ _ram_seg = _text;
+ _eram_seg = _eheap;
+
+ _bogus = ASSERT( ( (_eram_seg>>10) < (CONFIG_LB_MEM_TOPK)) , "please increase CONFIG_LB_MEM_TOPK");
+
+ _bogus = ASSERT( !((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN) && ((_ram_seg<0xa0000) && (_eram_seg>0xa0000))) , "please increase CONFIG_LB_MEM_TOPK and if still fail, try to set _RAMBASE more than 1M");
+
+ /DISCARD/ : {
+ *(.comment)
+ *(.note)
+ *(.note.*)
+ }
+}