meithecatte/2klinux

Experiments in bootstrapping from bare-metal

2klinux's Issues

error: mismatch in operand sizes

I tried this in Ubuntu 18.04 with nasm:

$ ./build.sh 
Assembling stage0... stage0.s:242: error: mismatch in operand sizes
stage0.s:256: error: mismatch in operand sizes
stage0.s:359: error: mismatch in operand sizes

The following patch fixes it:

diff --git a/stage0.s b/stage0.s
index 80a7ac7..5e0be4a 100644
--- a/stage0.s
+++ b/stage0.s
@@ -239,7 +239,7 @@ FindFile:
        cmp al, byte[di]
        jne short .nomatch
        inc di
-       loop short .cmploop
+       loop .cmploop
        popa
 
 ; We have a match! Set LENGTH and load the first cluster.
@@ -253,7 +253,7 @@ FindFile:
        popa
 .next:
        add si, DirEntrySize
-       loop short .loop
+       loop .loop
 ; Load next cluster of the directory and start from the beginning
        push di
        call near ReadNextCluster
@@ -356,7 +356,7 @@ PrintText:
 PrintTextLength:
        lodsb
        call near PrintChar
-       loop short PrintTextLength
+       loop PrintTextLength
        ret
 
 StageZeroFilename:

pointers to related projects

2klinux could be an alternative path to this bootstrapping activity, I'm providing it here for adding to docs or contacting:

• http://bootstrappable.org/projects.html
• https://bootstrapping.miraheze.org/