Commit Diff


commit - ff146ca7952073cfa50cef3136f5ad8bf6249dfb
commit + 112859b68b19ef3ede8c8d6b462e29e3a4231197
blob - 56c7fd9329171d775185b57763c510b8323df1a0
blob + c1b64dea367cf49f7f9f16f859eb4ff99407573e
--- Makefile
+++ Makefile
@@ -10,7 +10,7 @@ CROSS	= ./tools/bin/${TARGET}
 CFLAGS	= -std=c2x -fPIC -O0 -g
 LDFLAGS	= -pie -static -lpthread
 OBJ	= rvemu.o ecall.o cpu.o exec.o
-PROGS	= test.elf test2.elf hello.elf
+PROGS	= test.elf hello.elf
 
 all: rvemu ${PROGS}
 
blob - 2d4bd3fa404ee1f85babb18ff8609923bbd281e4
blob + 8f4a68660eee0892775ff39ba5a6f7f43029bf82
--- hello.S
+++ hello.S
@@ -1,7 +1,4 @@
 .include "syscalls.inc"
-#include "syscalls.inc"
-#.set SYS_write, 64
-#.set SYS_exit, 93
 
 .section .rodata
 str:	.string "Hello World\n"
blob - 85a84552dd1982a85a006dc9c3b5193fa5b25c11 (mode 644)
blob + /dev/null
--- test2.S
+++ /dev/null
@@ -1,103 +0,0 @@
-.include "syscalls.inc"
-
-.section .data
-parent:	.string "Parent\n"
-child:	.string "Child\n"
-arg0:
-path:	.string "./hello.elf"
-argv:
-	.dword arg0
-	.dword 0
-
-envp:
-	.dword 0
-
-.section .text
-.global _start
-.type _start, %function
-_start:
-	addi sp, sp, -4
-
-	li a0, 17
-	li a1, 0
-	li a7, SYS_clone
-	ecall
-
-	beq a0, zero, .Lchild
-
-	li a0, 1
-	la a1, parent
-	li a2, 7
-	li a7, SYS_write
-	ecall
-
-	la a0, path
-	la a1, argv
-	la a2, envp
-	li a7, SYS_execve
-	ecall
-
-	jal printhex
-
-	li a0, 0
-	li a7, SYS_exit
-	ecall
-
-.Lchild:
-	li a0, 1
-	la a1, child
-	li a2, 6
-	li a7, SYS_write
-	ecall
-
-	li a0, 0
-	li a7, SYS_exit
-	ecall
-
-# printhex(u64 a0)
-printhex:
-	addi sp, sp, -12
-	sw s0, 8(sp)
-	sw s1, 4(sp)
-	li s0, 52
-	mv s1, a0
-
-.Loop:
-	srl t0, s1, s0
-	andi t0, t0, 0xf
-
-	li t1, 10
-	blt t0, t1, .Ldec
-	addi t0, t0, 55
-	j .Lprint
-
-.Ldec:
-	addi t0, t0, 48
-
-.Lprint:
-	sb t0, 0(sp)
-	li a0, 1
-	mv a1, sp
-	li a2, 2
-	li a7, 64
-	ecall
-
-	beq s0, zero, .Lret
-	addi s0, s0, -4
-	j .Loop
-
-.Lret:
-	li t0, 10
-	sw t0, 0(sp)
-	li a0, 1
-	mv a1, sp
-	li a2, 1
-	ecall
-
-	lw s1, 4(sp)
-	lw s0, 8(sp)
-	addi sp, sp, 12
-	ret
-
-
-