diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/boot.s | 15 | ||||
| -rw-r--r-- | kernel/linker.ld | 24 |
2 files changed, 32 insertions, 7 deletions
diff --git a/kernel/boot.s b/kernel/boot.s index 798e7e3..534beb6 100644 --- a/kernel/boot.s +++ b/kernel/boot.s @@ -2,17 +2,19 @@ MBFLAGS equ 0 MAGIC equ 0x1BADB002 CHECKSUM equ -(MAGIC + MBFLAGS) -section .multiboot + section .multiboot align 4 dd MAGIC dd MBFLAGS dd CHECKSUM section .bss +resb 512 align 16 -resb 160 +; align 16 bytes according to the System V ABI standard +; Stack space stack_bottom: -resb 16384 +resb 16384 ; 16KiB stack_top: section .text @@ -25,3 +27,10 @@ _start: .hang: hlt jmp .hang .end: + +section .kheap +kheap_top: +; Kernel heap space +; Change this value together Kheap::size varibale (mem/Kheap.h file) +resb 4096 +kheap_bottom: diff --git a/kernel/linker.ld b/kernel/linker.ld index ae4d98d..abee596 100644 --- a/kernel/linker.ld +++ b/kernel/linker.ld @@ -6,28 +6,44 @@ SECTIONS .multiboot : { + _startMultiboot = .; *(.multiboot) + _endMultiboot = .; } + .text BLOCK(4K) : ALIGN(4K) { + _startText = .; *(.text) - *(.eh_frame) - *(.ctors) + _endText = .; } .rodata BLOCK(4K) : ALIGN(4k) { + _startRodata = .; *(.rodata) + _endRodata = .; } .data BLOCK(4K) : ALIGN(4K) { + _startData = .; *(.data) + _endData = .; } - .bss BLOCK(4K) : ALIGN(4K) + .bss BLOCK(16K) : ALIGN(16K) { - *(COMMON) + _startBss = .; *(.bss) + _endBss = .; } + + .kheap BLOCK(4k) : ALIGN(4k) + { + _startKheap = .; + *(.kheap) + _endKheap = .; + } + } |