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Moved sections definition at the top.

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This commit is contained in:
Vincent Rivière
2012-11-12 15:00:53 +00:00
parent fabc2a1a82
commit 1c75bf612a
1 changed files with 60 additions and 53 deletions
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113
BaS_GNU/bas.lk.in
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@@ -1,9 +1,66 @@
MEMORY {
MEMORY
{
bas_rom (RX) : ORIGIN = TARGET_ADDRESS, LENGTH = 0x00200000
bas_ram (WX) : ORIGIN = 0x1FE00000, LENGTH = 0x00100000 /* target to copy BaS to */
}
SECTIONS {
SECTIONS
{
/* BaS in ROM */
.text :
{
objs/startcf.o(.text) /* this one is the entry point so it must be the first */
objs/sysinit.o(.text)
objs/init_fpga.o(.text)
#if (FORMAT == elf32-m68k)
*(.rodata)
*(.rodata.*)
#endif
} > bas_rom
/* BaS in RAM */
.bas :
/* The BaS is stored in the flash, just after the init part.
* Then it will be copied to its final location in the RAM.
* This data must be aligned for optimal copy loop speed.
*/
AT (ALIGN(ADDR(.text) + SIZEOF(.text), 4))
{
objs/BaS.o(.text)
/* put other routines into the same segment (RAM) as BaS.o */
objs/sd_card_asm.o(.text)
objs/bas_printf.o(.text)
objs/printf_helper.o(.text)
objs/cache.o(.text)
objs/sd_card.o(.text)
objs/mmu.o(.text)
objs/exceptions.o(.text)
objs/supervisor.o(.text)
objs/ewf.o(.text)
objs/illegal_instruction.o(.text)
*(.data)
*(.bss)
/* The BaS copy routine assumes that tha BaS size
* is a multiple of the following value.
*/
. = ALIGN(16);
} > bas_ram
/* The following labels are BaS routines in the flash,
* before they are copied to their final location in the RAM.
* This is to allow using them before and after the actual copy.
* Hence they must contain only pc-relative code (compiled with -mpcrel).
*/
#define BAS_LABEL_LMA(x) ((x) + (__BAS_LMA - __BAS_IN_RAM))
_xprintf_before_copy = BAS_LABEL_LMA(_xprintf);
_display_progress_before_copy = BAS_LABEL_LMA(_display_progress);
_flush_and_invalidate_caches_before_copy = BAS_LABEL_LMA(_flush_and_invalidate_caches);
/*
* Global memory map
*/
/* Init CS0 (BootFLASH @ E000_0000 - E07F_FFFF 8Mbytes) */
___BOOT_FLASH = TARGET_ADDRESS;
___BOOT_FLASH_SIZE = 0x00800000;
@@ -45,8 +102,7 @@ SECTIONS {
*/
__RAMBAR0 = 0xFF100000;
__RAMBAR0_SIZE = 0x00001000;
__SUP_SP = __RAMBAR0 + __RAMBAR0_SIZE - 4;
__SUP_SP = __RAMBAR0 + __RAMBAR0_SIZE - 4;
/* 4KB on-chip Core SRAM1: -> modified code */
__RAMBAR1 = 0xFF101000;
@@ -76,53 +132,4 @@ SECTIONS {
/* 32KB on-chip System SRAM */
__SYS_SRAM = 0xFF010000;
__SYS_SRAM_SIZE = 0x00008000;
.text :
{
objs/startcf.o(.text) /* this one is the entry point so it must be the first */
objs/sysinit.o(.text)
objs/init_fpga.o(.text)
#if (FORMAT == elf32-m68k)
*(.rodata)
*(.rodata.*)
#endif
} > bas_rom
.bas :
/* The BaS is stored in the flash, just after the init part.
* Then it will be copied to its final location in the RAM.
* This data must be aligned for optimal copy loop speed.
*/
AT (ALIGN(ADDR(.text) + SIZEOF(.text), 4))
{
objs/BaS.o(.text)
/* put other routines into the same segment (RAM) as BaS.o */
objs/sd_card_asm.o(.text)
objs/bas_printf.o(.text)
objs/printf_helper.o(.text)
objs/cache.o(.text)
objs/sd_card.o(.text)
objs/mmu.o(.text)
objs/exceptions.o(.text)
objs/supervisor.o(.text)
objs/ewf.o(.text)
objs/illegal_instruction.o(.text)
*(.data)
*(.bss)
/* The BaS copy routine assumes that tha BaS size
* is a multiple of the following value.
*/
. = ALIGN(16);
} > bas_ram
/* The following labels are BaS routines in the flash,
* before they are copied to their final location in the RAM.
* This is to allow using them before and after the actual copy.
* Hence they must contain only pc-relative code (compiled with -mpcrel).
*/
#define BAS_LABEL_LMA(x) ((x) + (__BAS_LMA - __BAS_IN_RAM))
_xprintf_before_copy = BAS_LABEL_LMA(_xprintf);
_display_progress_before_copy = BAS_LABEL_LMA(_display_progress);
_flush_and_invalidate_caches_before_copy = BAS_LABEL_LMA(_flush_and_invalidate_caches);
}