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authorJoursoir <chat@joursoir.net>2022-09-27 18:59:00 +0300
committerJoursoir <chat@joursoir.net>2022-10-04 02:34:12 +0300
commit14c0596d40f5b02153ce379ea6060bd82120f4f9 (patch)
tree58d633b4aa883c7e9a52cbdf6431263a77458eeb /arch/x86/boot/bootloader/rm_seg.inc
parent3955de98fa26ca847041f5fcb50268927b44a208 (diff)
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move our bootloader to special directory
Diffstat (limited to 'arch/x86/boot/bootloader/rm_seg.inc')
-rw-r--r--arch/x86/boot/bootloader/rm_seg.inc14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/boot/bootloader/rm_seg.inc b/arch/x86/boot/bootloader/rm_seg.inc
new file mode 100644
index 0000000..f6d4750
--- /dev/null
+++ b/arch/x86/boot/bootloader/rm_seg.inc
@@ -0,0 +1,14 @@
+/*
+ Real mode segment constants.
+
+ NOTE: Header file only for assembler
+*/
+
+# Addresses of RAM:
+.set BOOTSEG, 0x07c0 # Address of boot sector
+.set SDATASEG, 0x9000 # System data
+.set SETUPLEN, 2 # Number of setup sectors
+.set SETUPSEG, 0x9020 # Setup address
+.set KERNSEG, 0x0100 # Historical load address
+.set KERNSIZE, 0x1000 # Kernel size, interpret as a segment
+.set KERNADDR, KERNSEG * 0x10