Lexzach/riscv-cat
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New modbuf for multiple flags #4

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Lexzach merged 3 commits from mod-buf into master 2026-09-15 00:57:38 +00:00
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+3 -2
2 changed files with 3 additions and 2 deletions
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src/file.S
+1
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@@ -40,6 +40,7 @@ cat_file:
ecall ecall
blez a0, .LCloseFD # if we haven't read any bytes, EOF, close FD blez a0, .LCloseFD # if we haven't read any bytes, EOF, close FD
mv s2, a0 mv s2, a0
li s1, 1
la t1, show_ends la t1, show_ends
lb t1, 0(t1) lb t1, 0(t1)
src/main.S
+2 -2
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@@ -19,7 +19,7 @@ help:
.equ HELP_LEN, . - help .equ HELP_LEN, . - help
version: version:
.ascii "cat 1.1.0\n" .ascii "cat 1.2.0\n"
.ascii "Copyright (C) 2026 lexzach\n" .ascii "Copyright (C) 2026 lexzach\n"
.ascii "License MIT\n" .ascii "License MIT\n"
.ascii "This is free software: you are free to change and redistribute it.\n" .ascii "This is free software: you are free to change and redistribute it.\n"
@@ -61,9 +61,9 @@ _start:
addi sp, sp, -8 addi sp, sp, -8
sd a0, 0(sp) sd a0, 0(sp)
call _is_known_flag call _is_known_flag
bnez a1, .LSkipArg # check if arg is flag
ld a0, 0(sp) ld a0, 0(sp)
addi sp, sp, 8 addi sp, sp, 8
bnez a1, .LSkipArg # check if arg is flag
call cat_file call cat_file
addi s2, s2, 1 addi s2, s2, 1
bnez a0, .LReturnFileErr # error if failed bnez a0, .LReturnFileErr # error if failed