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author | Joursoir <chat@joursoir.net> | 2021-08-26 18:19:40 +0000 |
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committer | Joursoir <chat@joursoir.net> | 2021-08-26 18:19:40 +0000 |
commit | 47be053721ffd099f126e845809af35b0f6b8387 (patch) | |
tree | cb214af92546bae90cbc8c52de18180c32315fb8 | |
parent | 7d29a608ae06732093fac7d9e8a46305227a28fd (diff) | |
download | mfsos-47be053721ffd099f126e845809af35b0f6b8387.tar.gz mfsos-47be053721ffd099f126e845809af35b0f6b8387.tar.bz2 mfsos-47be053721ffd099f126e845809af35b0f6b8387.zip |
x86/boot/bootsect: improve comments about gdt struct
-rw-r--r-- | arch/x86/boot/bootsect.s | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/boot/bootsect.s b/arch/x86/boot/bootsect.s index 16c2052..5932445 100644 --- a/arch/x86/boot/bootsect.s +++ b/arch/x86/boot/bootsect.s @@ -113,9 +113,11 @@ boot_drive: .byte 0 gdt_descriptor: - # Size of GDT, always less one of the true size + # The 6-byte GDT structure containing: + # - GDT size, 2 bytes (size always less one of the real size): .word gdt_end - gdt_start - 1 - .long gdt_start # Start address of our GDT + # - GDT address, 4 bytes: + .long gdt_start boot_real_mode_msg: .asciz "Started mfsos in 16-bit real mode\r\n" |