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authorAlejandro Sior <aho@sior.be>2022-05-13 20:50:39 +0200
committerAlejandro Sior <aho@sior.be>2022-05-13 20:50:39 +0200
commite50cbe8eb763cf63fb44b047d5164f6fbf07eb39 (patch)
tree8acb610a4f33462c843f54016861780ffadc010d /rt/+x86_64/halt.s
boot: longmode to realmode stub
This is the initial commit to the repo. It adds all the code. The last proper thing that I got working before committing is calling real mode functions from long mode using a stub. Next up, I would like to implement a disk reader abstraction over the BIOS in order to read form partitions (most notably FAT32).
Diffstat (limited to 'rt/+x86_64/halt.s')
-rw-r--r--rt/+x86_64/halt.s5
1 files changed, 5 insertions, 0 deletions
diff --git a/rt/+x86_64/halt.s b/rt/+x86_64/halt.s
new file mode 100644
index 0000000..72404b3
--- /dev/null
+++ b/rt/+x86_64/halt.s
@@ -0,0 +1,5 @@
+.globl rt.halt
+rt.halt:
+ cli
+ hlt
+ jmp rt.halt