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account for .sign section in bytes_remaining calculation

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Elaina Claus
2025-09-10 11:36:40 -04:00
parent caed66a243
commit 507a05949f
1 changed files with 2 additions and 2 deletions
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src/stage2/stage2.nasm
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@@ -430,11 +430,11 @@ BUILD_GIT_HASH:
db __GIT_HASH__, 00h db __GIT_HASH__, 00h
end_data: end_data:
%assign bytes_remaining ((MAX_STAGE2_BYTES - 4) - (($ - $$) + (end_text - begin_text))) %assign bytes_remaining ((MAX_STAGE2_BYTES - 512) - (($ - $$) + (end_text - begin_text)))
%warning STAGE2 has bytes_remaining bytes remaining for code/data (MAX: MAX_STAGE2_BYTES) %warning STAGE2 has bytes_remaining bytes remaining for code/data (MAX: MAX_STAGE2_BYTES)
; section start location needs to be a 'critical expression' ; section start location needs to be a 'critical expression'
; i.e resolvable at build time, we are setting 0x7E00 as the offset since ; i.e resolvable at build time, we are setting 0x0500 as the offset since
section .sign start=((MAX_STAGE2_BYTES - 512) + 0x0500) section .sign start=((MAX_STAGE2_BYTES - 512) + 0x0500)
times ((512 - 4) - ($ -$$) ) db 0x90 ; nop times ((512 - 4) - ($ -$$) ) db 0x90 ; nop
STAGE2_SIG: dd 0xDEADBEEF ; Signature to mark the end of the stage2 STAGE2_SIG: dd 0xDEADBEEF ; Signature to mark the end of the stage2