This commit is contained in:
Jeremy Soller 2016-08-25 17:03:01 -06:00
parent c2a95c96d5
commit 6715d5c534
29 changed files with 385 additions and 21 deletions

17
bootloader/arm/start.s Normal file
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@ -0,0 +1,17 @@
interrupt_vector_table:
b . @ Reset
b .
b . @ SWI instruction
b .
b .
b .
b .
b .
.comm stack, 0x10000 @ Reserve 64k stack in the BSS
_start:
.globl _start
ldr sp, =stack+0x10000 @ Set up the stack
bl kstart @ Jump to the main function
1:
b 1b @ Halt

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@ -1,62 +0,0 @@
ENTRY(kstart)
OUTPUT_FORMAT(elf64-x86-64)
KERNEL_OFFSET = 0x100000;
SECTIONS {
. = KERNEL_OFFSET;
. += SIZEOF_HEADERS;
. = ALIGN(4096);
.text : AT(ADDR(.text) - KERNEL_OFFSET) {
__text_start = .;
*(.text*)
. = ALIGN(4096);
__text_end = .;
}
.rodata : AT(ADDR(.rodata) - KERNEL_OFFSET) {
__rodata_start = .;
*(.rodata*)
. = ALIGN(4096);
__rodata_end = .;
}
.data : AT(ADDR(.data) - KERNEL_OFFSET) {
__data_start = .;
*(.data*)
. = ALIGN(4096);
__data_end = .;
}
.tdata : AT(ADDR(.tdata) - KERNEL_OFFSET) {
__tdata_start = .;
*(.tdata*)
. = ALIGN(4096);
__tdata_end = .;
__tbss_start = .;
*(.tbss*)
. += 8;
. = ALIGN(4096);
__tbss_end = .;
}
.bss : AT(ADDR(.bss) - KERNEL_OFFSET) {
__bss_start = .;
*(.bss*)
. = ALIGN(4096);
__bss_end = .;
}
__end = .;
/DISCARD/ : {
*(.comment*)
*(.debug*)
*(.eh_frame*)
*(.gcc_except_table*)
*(.note*)
*(.rel.eh_frame*)
}
}