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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-05-15 07:49:12 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-05-15 07:49:12 -0700 |
| commit | c26aef11b7c55b89e85cdd8f2b7e8254b180278d (patch) | |
| tree | 1bc376cbaa13d7cee8f5b09761ff2fabb8e14f29 | |
| parent | a577c7fcb031afb7efe5dafc48b81f6ea3a7b06b (diff) | |
| download | mu-c26aef11b7c55b89e85cdd8f2b7e8254b180278d.tar.gz | |
grow a few buffers until shell/ loads
| -rw-r--r-- | 317abort.subx | 11 | ||||
| -rwxr-xr-x | translate_subx | 4 | ||||
| -rwxr-xr-x | translate_subx_emulated | 4 |
3 files changed, 11 insertions, 8 deletions
diff --git a/317abort.subx b/317abort.subx index 99e841c0..941862f9 100644 --- a/317abort.subx +++ b/317abort.subx @@ -27,10 +27,10 @@ dump-call-stack: 51/push-ecx 52/push-edx 53/push-ebx - # var labels/edx: (addr stream {start-address, label-slice} 0x1000) + # var labels/edx: (addr stream {start-address, label-slice} 0x4000) # start addresses are in ascending order - 81 5/subop/subtract %esp 0xc000/imm32 - 68/push 0xc000/imm32 + 81 5/subop/subtract %esp 0x30000/imm32 # 0x4000 labels * 12 bytes per label + 68/push 0x30000/imm32 68/push 0/imm32/read 68/push 0/imm32/write 89/<- %edx 4/r32/esp @@ -81,8 +81,11 @@ load-debug-symbols: # labels: (addr stream {start-address, label-slice}) c7 0/subop/copy *ecx 0/imm32 # write index c7 0/subop/copy *(ecx+4) 0/imm32 # read index c7 0/subop/copy *(ecx+8) 0x01000000/imm32 # stream capacity = 16MB - # load 0x100 sectors starting from sector 10080 = 0x2760 + # load 0x400 sectors starting from sector 10080 = 0x2760 (load-sectors Primary-bus-primary-drive 0x2760 0x100 %ecx) + (load-sectors Primary-bus-primary-drive 0x2860 0x100 %ecx) + (load-sectors Primary-bus-primary-drive 0x2960 0x100 %ecx) + (load-sectors Primary-bus-primary-drive 0x2a60 0x100 %ecx) # - parse pointers to portions of this stream into labels # var curr/ecx: (addr byte) = s->data 81 0/subop/add %ecx 0xc/imm32 diff --git a/translate_subx b/translate_subx index 8d97b197..7b16425c 100755 --- a/translate_subx +++ b/translate_subx @@ -43,13 +43,13 @@ fi # Latter half of disk is for debug info. dd if=labels of=code.img seek=10080 conv=notrunc # keep this sync'd with abort.subx -if [ `stat --printf="%s" labels` -ge 131072 ] # 256 sectors * 512 bytes per sector, the most an ATA drive can read in a single command +if [ `stat --printf="%s" labels` -ge 524288 ] # 4 reads * 256 sectors * 512 bytes per sector then echo "labels won't all be loaded on abort" exit 1 fi -if [ `wc -l < labels` -gt 4096 ] # 0x1000 stream capacity in abort.subx +if [ `wc -l < labels` -gt 16384 ] # 0x4000 stream capacity in abort.subx then echo "abort will go into infinite regress" exit 1 diff --git a/translate_subx_emulated b/translate_subx_emulated index 439befcd..fb89bfaf 100755 --- a/translate_subx_emulated +++ b/translate_subx_emulated @@ -47,13 +47,13 @@ fi # Latter half of disk is for debug info. dd if=labels of=code.img seek=10080 conv=notrunc # keep this sync'd with abort.subx -if [ `stat --printf="%s" labels` -ge 131072 ] # 256 sectors * 512 bytes per sector, the most an ATA drive can read in a single command +if [ `stat --printf="%s" labels` -ge 524288 ] # 4 reads * 256 sectors * 512 bytes per sector then echo "labels won't all be loaded on abort" exit 1 fi -if [ `wc -l < labels` -gt 4096 ] # 0x1000 stream capacity in abort.subx +if [ `wc -l < labels` -gt 16384 ] # 0x4000 stream capacity in abort.subx then echo "abort will go into infinite regress" exit 1 |