risc-v asm thingy

experiments/riscv-asm/.gitignore

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+build/

experiments/riscv-asm/build.sh

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+#!/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"

experiments/riscv-asm/clean.sh

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+#!/bin/sh
+
+rm -rf build
+

experiments/riscv-asm/main.s

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+.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"

experiments/riscv-asm/run.sh

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

wiki

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-Subproject commit 4d6611aef6deca10807075574c596f98d8769d46
+Subproject commit b04ae4e652f236922a65fe4fbfdde36da732d24b