m68k-backplane-computer/os
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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
View File

@ -3,9 +3,6 @@ ENTRY (_start)
SECTIONS
{
. = 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)
}
@ -19,31 +16,22 @@ SECTIONS
*(.early.bss)
}
. += 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)
}
.rodata ALIGN (4K) : AT (ADDR (.rodata) - 0xC00000)
{
.rodata ALIGN (4K) : AT (ADDR (.rodata) - 0xC00000) {
*(.rodata)
}
.data ALIGN (4K) : AT (ADDR (.data) - 0xC00000)
{
.data ALIGN (4K) : AT (ADDR (.data) - 0xC00000) {
*(.data)
}
.bss ALIGN (4K) : AT (ADDR (.bss) - 0xC00000)
{
.bss ALIGN (4K) : AT (ADDR (.bss) - 0xC00000) {
*(COMMON)
*(.bss)
}
.pagereserve ALIGN (4K) : {
*(.pagereserve)
}
kernel_map_page = 0xFEF000;
}