bulk: changing experiments structure and how i use it.

machine/riscv-asm/.gitignore

@@ -0,0 +1 @@
+build/

machine/riscv-asm/build.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+set -e
+
+echo "Building for RISC-V 64..."
+
+[ -d "build" ] || mkdir build
+rm -rf build/*
+
+riscv64-linux-gnu-as main.s -o build/main.o
+riscv64-linux-gnu-gcc \
+	build/main.o \
+	-o build/main \
+	-nostdlib \
+	-static
+
+echo "OK"

machine/riscv-asm/clean.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+rm -rf build
+

machine/riscv-asm/main.s

@@ -0,0 +1,19 @@
+.global _start
+
+_start:
+	addi a7, x0, 64 	# syscall write
+	addi a0, x0, 1  	# stdout fd
+	la a1, str_helloworld 	# load label into reg: a1
+	addi a2, x0, 13 	# length of string
+	ecall			# call kernel
+
+	beqz x0, _exit		# branch if = to zero
+
+_exit:
+	addi a7, x0, 93 	# syscall exit
+	addi a0, x0, 0  	# exit code
+	ecall			# call kernel
+	
+
+str_helloworld:
+	.ascii "Hello World!\n"

machine/riscv-asm/run.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+[ "$1" = "build" ] && sh ./build.sh 
+qemu-riscv64 build/main