diff options
| author | Andreas Baumann <mail@andreasbaumann.cc> | 2017-05-21 10:00:06 +0200 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2017-05-21 10:00:06 +0200 |
| commit | a998c2b6ab7fbfc2b0a15a3de92632178c3564dd (patch) | |
| tree | a86066741c7474f98809224bce2df42e53a0e4cd /src/Makefile | |
| parent | d0385783af3f7e3567f19330dede6a96fd80ddab (diff) | |
| download | abaos-a998c2b6ab7fbfc2b0a15a3de92632178c3564dd.tar.gz abaos-a998c2b6ab7fbfc2b0a15a3de92632178c3564dd.tar.bz2 | |
added implementation of interrupts (IDT construction and loading), currently not
working yet.
added A20 gate check
reorganized some code, so it's easier to debug interrupt handlers in assembly
Diffstat (limited to 'src/Makefile')
| -rw-r--r-- | src/Makefile | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/Makefile b/src/Makefile index e46db57..9ffa885 100644 --- a/src/Makefile +++ b/src/Makefile @@ -8,18 +8,18 @@ MAGIC := $(shell printf '%x' `date +%s`) all: image.bin kernel.sym +# truncate to correct number of sectors, we have +# 512 (boot, stage 1) + N * 512 (N currenty is 3, stage 2) = 2048 for boot.bin +# + M * 512 (M is currently 7) = 3144 for kernel.bin +# + 1 * 512 = 512 for magic.bin +# (M + N + 1 is the number of sectors to be read in stage 2, as stage 1 +# loads only the first sector, so adapt NOF_LOAD_SECTORS to 18) image.bin: boot.bin kernel.bin magic.bin cat boot.bin kernel.bin > image.tmp - # truncate to correct number of sectors, we have - # 512 (boot, stage 1) + N * 512 (N currenty is 3, stage 2) = 2048 for boot.bin - # + M * 512 (M is currently 7) = 3144 for kernel.bin - # + 1 * 512 = 512 for magic.bin - # (M + N + 1 is the number of sectors to be read in stage 2, as stage 1 - # loads only the first sector, so adapt NOF_LOAD_SECTORS to 16) - truncate -s 8192 image.tmp + truncate -s 9216 image.tmp cat image.tmp magic.bin > image.bin -boot.bin: boot.asm boot_gdt.asm stage1_functions.asm stage2_functions.asm switch_mode.asm +boot.bin: boot.asm boot_gdt.asm stage1_functions.asm stage2_functions.asm stage2_switch_mode.asm stage2_a20.asm $(NASM) boot.asm -DMAGIC='"$(MAGIC)"' -f bin -o boot.bin kernel.bin: kernel.elf |