almost got the term emu working and shell

This commit is contained in:
2026-07-08 21:15:30 -05:00
parent ec3cbb4794
commit 4d98d73f5e
20 changed files with 214 additions and 228 deletions

View File

@@ -1,36 +0,0 @@
[
{
"arguments": [
"/home/slinky/opt/cross/bin/i686-elf-gcc",
"-ffreestanding",
"-O2",
"-Wall",
"-Wextra",
"-I../../rocklibc/include",
"-c",
"-o",
"crt0.o",
"crt0.S"
],
"directory": "/home/slinky/source/RockOS/programs/test",
"file": "/home/slinky/source/RockOS/programs/test/crt0.S",
"output": "/home/slinky/source/RockOS/programs/test/crt0.o"
},
{
"arguments": [
"/home/slinky/opt/cross/bin/i686-elf-gcc",
"-ffreestanding",
"-O2",
"-Wall",
"-Wextra",
"-I../../rocklibc/include",
"-c",
"-o",
"main.o",
"main.c"
],
"directory": "/home/slinky/source/RockOS/programs/test",
"file": "/home/slinky/source/RockOS/programs/test/main.c",
"output": "/home/slinky/source/RockOS/programs/test/main.o"
}
]

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@@ -1,21 +0,0 @@
.global _start
.extern exit
.section .text
_start:
xor %ebp, %ebp
mov (%esp), %eax
lea 4(%esp), %ebx
lea 8(%esp,%eax,4), %ecx
and $-16, %esp
push %ecx
push %ebx
push %eax
call main
push %eax
call exit

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@@ -1,31 +0,0 @@
ENTRY(_start)
SECTIONS
{
. = 0x40000000;
.text ALIGN(4K) :
{
/* Force the crt0.o entry code to be placed FIRST in memory */
KEEP(*crt0.o(.text))
*(.text .text.*)
}
.rodata ALIGN(4K) :
{
*(.rodata .rodata.*)
}
.data ALIGN(4K) :
{
*(.data .data.*)
}
.bss ALIGN(4K) :
{
_bss_start = .;
*(.bss .bss.*)
*(COMMON)
_bss_end = .;
}
}

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@@ -1,13 +0,0 @@
#include "syscall.h"
#include <unistd.h>
int main(int argc, char *argv[]) {
(void)argc;
(void)argv;
if (fork() == 0) {
return 1;
}
return 0;
}

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@@ -1,23 +0,0 @@
CC = i686-elf-gcc
LD = i686-elf-ld
CFLAGS = -ffreestanding -O2 -Wall -Wextra -I../../rocklibc/include
LDFLAGS = -m elf_i386 -nostdlib
TARGET = test.elf
all: $(TARGET)
crt0.o: crt0.S
$(CC) $(CFLAGS) -c crt0.S -o crt0.o
main.o: main.c
$(CC) $(CFLAGS) -c main.c -o main.o
$(TARGET): crt0.o main.o ../lib/rlibc.a
$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o ../lib/rlibc.a -o $(TARGET)
clean:
rm -f *.o $(TARGET)
.PHONY: all clean test