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base: m68k-backplane-computer:34fe67fafb9d0ce28bdf9154a24e9881fa6bc072
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m68k-backplane-computer:master
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compare: m68k-backplane-computer:a6927f8a0791c00593637f5689aeaafaa470d842
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m68k-backplane-computer:master

2 Commits
34fe67fafb ... a6927f8a07

Author SHA1 Message Date
pjht
a6927f8a07
Move constants from linker script to dedicated file 2023-03-27 14:48:27 -05:00
pjht
c62cc3b5e4
Format linker script and remove misleading comments 2023-03-27 14:43:14 -05:00
2 changed files with 6 additions and 16 deletions
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2
kernel/constants.68k Normal file
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@ -0,0 +1,2 @@
.global kernel_map_page
kernel_map_page = 0xFEF000

20
kernel/kernel.ld
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@ -3,9 +3,6 @@ ENTRY (_start)
SECTIONS SECTIONS
{ {
. = 0x1000; . = 0x1000;
/* The kernel will live at 12MB in the virtual address space, */
/* which will be mapped to 0 in the physical address space. */
/* Note that we page-align the sections. */
.early.text ALIGN (4K) : { .early.text ALIGN (4K) : {
*(.early.text) *(.early.text)
} }
@ -19,31 +16,22 @@ SECTIONS
*(.early.bss) *(.early.bss)
} }
. += 0xC00000; . += 0xC00000;
/* Add a symbol that indicates the start address of the kernel. */ .text ALIGN (4K) : AT (ADDR (.text) - 0xC00000) {
.text ALIGN (4K) : AT (ADDR (.text) - 0xC00000)
{
*(.text) *(.text)
} }
.rodata ALIGN (4K) : AT (ADDR (.rodata) - 0xC00000) .rodata ALIGN (4K) : AT (ADDR (.rodata) - 0xC00000) {
{
*(.rodata) *(.rodata)
} }
.data ALIGN (4K) : AT (ADDR (.data) - 0xC00000) .data ALIGN (4K) : AT (ADDR (.data) - 0xC00000) {
{
*(.data) *(.data)
} }
.bss ALIGN (4K) : AT (ADDR (.bss) - 0xC00000) .bss ALIGN (4K) : AT (ADDR (.bss) - 0xC00000) {
{
*(COMMON) *(COMMON)
*(.bss) *(.bss)
} }
.pagereserve ALIGN (4K) : { .pagereserve ALIGN (4K) : {
*(.pagereserve) *(.pagereserve)
} }
kernel_map_page = 0xFEF000;
} }