From e08e3b301d33828b940eeeae9bcac2280135e7d8 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jeremy@system76.com>
Date: Wed, 5 Feb 2020 20:52:43 -0700
Subject: [PATCH] Remove unused sector count
---
x86_64/partitions.asm | 2 --
x86_64/redoxfs.asm | 3 ---
x86_64/startup-common.asm | 1 -
3 files changed, 6 deletions(-)
diff --git a/x86_64/partitions.asm b/x86_64/partitions.asm
index 4fbede1..1d9da35 100644
--- a/x86_64/partitions.asm
+++ b/x86_64/partitions.asm
@@ -11,7 +11,6 @@ endstruc
; The partition has to be one of the primary MBR partitions.
; OUT
; eax - start_lba
-; edx - sector count
; CLOBBER
; ebx
find_redoxfs_partition:
@@ -26,7 +25,6 @@ find_redoxfs_partition:
jmp .notfound
.found:
mov eax, [partitions + mbr_partition_rec + mbr_partition_rec.lba_start]
- mov edx, [partitions + mbr_partition_rec + mbr_partition_rec.sector_count]
ret
.notfound:
mov si, .no_partition_found_msg
diff --git a/x86_64/redoxfs.asm b/x86_64/redoxfs.asm
index 4380949..3326bfd 100644
--- a/x86_64/redoxfs.asm
+++ b/x86_64/redoxfs.asm
@@ -41,10 +41,8 @@ endstruc
; IN
; eax - the first sector of the filesystem
-; edx - the amount of sectors in the filesystem
redoxfs:
mov [.first_sector], eax
- mov [.sector_count], ebx
call redoxfs.open
test eax, eax
jz .good_header
@@ -79,7 +77,6 @@ redoxfs:
times BLOCK_SIZE db 0
.first_sector: dd 0
- .sector_count: dd 0
.env:
db "REDOXFS_BLOCK="
diff --git a/x86_64/startup-common.asm b/x86_64/startup-common.asm
index 147001d..787370e 100644
--- a/x86_64/startup-common.asm
+++ b/x86_64/startup-common.asm
@@ -28,7 +28,6 @@ startup:
%ifdef FILESYSTEM
mov eax, (filesystem - boot) / 512
- mov ebx, (filesystem.end - filesystem) / 512
%else
call find_redoxfs_partition
%endif
--
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