project directories reorganization

runtime/io/vx_io.c

@@ -1,38 +0,0 @@
-
-#include "vx_io.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void vx_print_hex(unsigned f)
-{
-	// vx_print_str(hextoa[f]);
-	if (f < 16)
-	{
-		vx_print_str(hextoa[f]);
-		return;
-	}
-	int temp;
-	int sf = 32;
-	bool start = false;
-	do
-	{
-		temp = (f >> (sf - 4)) & 0xf;
-		if (temp != 0) start = true;
-		if (start) vx_print_str(hextoa[temp]);
-		sf -= 4;
-	} while(sf > 0);
-}
-
-
-void vx_printf(const char * c, unsigned f)
-{
-	vx_print_str(c);
-	vx_print_hex(f);
-	vx_print_str("\n");
-}
-
-#ifdef __cplusplus
-}
-#endif

runtime/io/vx_io.h

@@ -1,20 +0,0 @@
-
-#pragma once
-
-#include <stdbool.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static char * hextoa[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};
-void vx_print_hex(unsigned);
-void vx_printf(const char *, unsigned);
-
-void vx_print_str(const char *);
-void vx_printc(unsigned, char c);
-
-
-#ifdef __cplusplus
-}
-#endif

runtime/io/vx_io.s

@@ -1,33 +0,0 @@
-
-
-.type vx_print_str, @function
-.global vx_print_str
-vx_print_str:
-    addi sp, sp, -12
-    sw   ra, 0(sp)
-    sw   a1, 4(sp)
-bl:
-    lbu  a1,0(a0)
-    beqz a1,be
-    jal  vx_printc
-    addi a0, a0, 1
-    j bl
-be:
-    lw   ra, 0(sp)
-    lw   a1, 4(sp)
-    addi sp, sp, 12
-    ret
-
-
-.type vx_printc, @function
-.global vx_printc
-vx_printc:
-    la t0, print_addr
-    lw t0, 0(t0)
-    sw a1, 0(t0)
-    ret
-
-.section .data
-print_addr:
-    .word 0x00010000 
-