almost got the term emu working and shell
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@@ -1,36 +0,0 @@
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[
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{
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"arguments": [
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"/home/slinky/opt/cross/bin/i686-elf-gcc",
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"-ffreestanding",
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"-O2",
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"-Wall",
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"-Wextra",
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"-I../../rocklibc/include",
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"-c",
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"-o",
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"crt0.o",
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"crt0.S"
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],
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"directory": "/home/slinky/source/RockOS/programs/test",
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"file": "/home/slinky/source/RockOS/programs/test/crt0.S",
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"output": "/home/slinky/source/RockOS/programs/test/crt0.o"
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},
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{
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"arguments": [
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"/home/slinky/opt/cross/bin/i686-elf-gcc",
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"-ffreestanding",
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"-O2",
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"-Wall",
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"-Wextra",
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"-I../../rocklibc/include",
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"-c",
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"-o",
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"main.o",
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"main.c"
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],
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"directory": "/home/slinky/source/RockOS/programs/test",
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"file": "/home/slinky/source/RockOS/programs/test/main.c",
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"output": "/home/slinky/source/RockOS/programs/test/main.o"
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}
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]
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@@ -1,21 +0,0 @@
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.global _start
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.extern exit
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.section .text
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_start:
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xor %ebp, %ebp
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mov (%esp), %eax
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lea 4(%esp), %ebx
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lea 8(%esp,%eax,4), %ecx
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and $-16, %esp
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push %ecx
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push %ebx
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push %eax
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call main
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push %eax
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call exit
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@@ -1,31 +0,0 @@
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ENTRY(_start)
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SECTIONS
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{
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. = 0x40000000;
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.text ALIGN(4K) :
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{
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/* Force the crt0.o entry code to be placed FIRST in memory */
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KEEP(*crt0.o(.text))
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*(.text .text.*)
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}
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.rodata ALIGN(4K) :
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{
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*(.rodata .rodata.*)
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}
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.data ALIGN(4K) :
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{
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*(.data .data.*)
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}
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.bss ALIGN(4K) :
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{
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_bss_start = .;
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*(.bss .bss.*)
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*(COMMON)
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_bss_end = .;
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}
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}
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@@ -1,13 +0,0 @@
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#include "syscall.h"
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#include <unistd.h>
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int main(int argc, char *argv[]) {
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(void)argc;
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(void)argv;
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if (fork() == 0) {
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return 1;
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}
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return 0;
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}
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@@ -1,23 +0,0 @@
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CC = i686-elf-gcc
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LD = i686-elf-ld
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CFLAGS = -ffreestanding -O2 -Wall -Wextra -I../../rocklibc/include
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LDFLAGS = -m elf_i386 -nostdlib
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TARGET = test.elf
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all: $(TARGET)
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crt0.o: crt0.S
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$(CC) $(CFLAGS) -c crt0.S -o crt0.o
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main.o: main.c
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$(CC) $(CFLAGS) -c main.c -o main.o
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$(TARGET): crt0.o main.o ../lib/rlibc.a
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$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o ../lib/rlibc.a -o $(TARGET)
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clean:
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rm -f *.o $(TARGET)
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.PHONY: all clean test
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