Added runtime (kernel 2.0)

runtime/Makefile

@@ -0,0 +1,24 @@
+
+COMP     = /opt/riscv/bin/riscv32-unknown-elf-gcc
+CC_FLAGS = -march=rv32im -mabi=ilp32 -O0 -Wl,-Bstatic,-T,linker.ld -ffreestanding -nostdlib
+
+DMP  = /opt/riscv/bin/riscv32-unknown-elf-objdump
+CPY  = /opt/riscv/bin/riscv32-unknown-elf-objcopy
+
+
+VX_STR  = ./startup/vx_start.s
+VX_INT  = ./intrinsics/vx_intrinsics.s
+VX_IO   = ./io/vx_io.s ./io/vx_io.c
+
+VX_MAIN = ./vx_main.c
+
+all: HEX DUMP ELF
+
+DUMP: ELF
+	$(DMP) -D vortex_runtime.elf > vortex_runtime.dump
+
+HEX: ELF
+	$(CPY) -O ihex vortex_runtime.elf vortex_runtime.hex
+
+ELF: 
+	$(COMP) $(CC_FLAGS) $(VX_STR) $(VX_INT) $(VX_IO) $(VX_MAIN)  -o vortex_runtime.elf

runtime/intrinsics/vx_intrinsics.h

@@ -0,0 +1,24 @@
+
+// Spawns Warps
+void vx_wspawn (unsigned numWarps, unsigned PC_spawn);
+
+// Changes thread mask (activated/deactivates threads)
+void vx_tmc    (unsigned numThreads);
+
+// Warp Barrier
+void vx_barrier(unsigned barriedID, unsigned numWarps);
+
+// split on a predicate
+void vx_split  (unsigned predicate);
+
+
+// Join
+void vx_join   (void);
+
+
+// Get Hardware thread ID
+unsigned vx_threadID(void);
+
+
+// Get hardware warp ID
+unsigned vx_warpID(void);

runtime/intrinsics/vx_intrinsics.s

@@ -0,0 +1,50 @@
+
+
+
+.section .text
+
+
+.type vx_wsapwn, @function
+.global vx_wsapwn
+vx_wsapwn:
+	.word 0x00b5106b # wspawn a0(numWarps), a1(PC SPAWN)
+	ret
+
+.type vx_tmc, @function
+.global vx_tmc
+vx_tmc:
+	.word 0x0005006b    # tmc a0
+	ret
+
+
+.type vx_barrier, @function
+.global vx_barrier
+vx_barrier:
+	.word 0x00b5406b # barrier a0(barrier id), a1(numWarps)
+	ret
+
+.type vx_split, @function
+.global vx_split
+vx_split:
+	.word 0x0005206b    # split a0
+
+.type vx_join, @function
+.global vx_join
+vx_join:
+	.word 0x0000306b    #join
+	ret
+
+
+.type vx_warpID, @function
+.global vx_warpID
+vx_warpID:
+	csrr a0, 0x21 # read warp IDs
+	ret
+
+
+.type vx_threadID, @function
+.global vx_threadID
+vx_threadID:
+	csrr a0, 0x20 # read thread IDs
+	ret
+	

runtime/io/vx_io.c

@@ -0,0 +1,30 @@
+
+#include "vx_io.h"
+
+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(char * c, unsigned f)
+{
+	vx_print_str(c);
+	vx_print_hex(f);
+	vx_print_str("\n");
+}

runtime/io/vx_io.h

@@ -0,0 +1,10 @@
+
+#pragma once
+
+#include <stdbool.h>
+
+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_print_str(char *);
+void vx_printf(char *, unsigned);
+void vx_printc(unsigned, char c);

runtime/io/vx_io.s

@@ -0,0 +1,30 @@
+
+
+.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, 0x00010000
+    sw a1, 0(t0)
+    ret
+
+
+

runtime/linker.ld

@@ -0,0 +1,48 @@
+/* ---- Original Script: /opt/riscv32i/riscv32-unknown-elf/lib/ldscripts/elf32lriscv.x ---- */
+/* Default linker script, for normal executables */
+/* Copyright (C) 2014-2017 Free Software Foundation, Inc.
+   Copying and distribution of this script, with or without modification,
+   are permitted in any medium without royalty provided the copyright
+   notice and this notice are preserved.  */
+OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv",
+	      "elf32-littleriscv")
+OUTPUT_ARCH(riscv)
+ENTRY(_start)
+SECTIONS
+{
+  . = 0x80000000;
+  .text           :
+  {
+    *(.text)
+    *(.text.unlikely .text.*_unlikely .text.unlikely.*)
+    *(.text.exit .text.exit.*)
+    *(.text.startup .text.startup.*)
+    *(.text.hot .text.hot.*)
+    *(.stub .text.* .gnu.linkonce.t.*)
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+  }
+  .init           :
+  {
+    KEEP (*(SORT_NONE(.init)))
+  }
+  .plt            : { *(.plt) }
+  .iplt           : { *(.iplt) }
+  .fini           :
+  {
+    KEEP (*(SORT_NONE(.fini)))
+  }
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
+  PROVIDE (etext = .);
+  PROVIDE (_edata = .);
+  PROVIDE (_end = .);
+  PROVIDE (__global_pointer$ = .);
+
+  . = 0x81000000;
+  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
+  .rodata1        : { *(.rodata1) }
+  . = 0x82000000;
+  .comment        : { *(.comment) }
+
+}

runtime/startup/vx_start.s

@@ -0,0 +1,42 @@
+
+
+.type _start, @function
+.global _start
+_start:
+    li a0, 4
+    .word 0x0005006b    # tmc a0
+    csrr	a1,0x20
+    slli a1, a1, 2
+
+    la a2, 0x20000000
+    add a2, a2, a1
+    sw a1, 0(a2)
+
+    la a2, 0x40000000
+    add a2, a2, a1
+    li a3, 5
+    sw a3, 0(a2)
+
+    la a2, 0x80000000
+    add a2, a2, a1
+    li a3, 7
+    sw a3, 0(a2)
+
+    la a2, 0x60000000
+    add a2, a2, a1
+    li a3, 7
+    sw a3, 0(a2)
+
+    la a2, 0x20000000
+    add a2, a2, a1
+    lw a4, 0(a2)
+    li a0, 0
+    .word 0x0005006b    # tmc a0
+	##########################
+    # lui  sp, 0x7ffff
+    # jal  main
+    # li a0, 0
+    # .word 0x0005006b    # tmc a0
+
+
+

runtime/vortex_runtime.dump

@@ -0,0 +1,293 @@
+
+vortex_runtime.elf:     file format elf32-littleriscv
+
+
+Disassembly of section .text:
+
+80000000 <_start>:
+80000000:	00400513          	li	a0,4
+80000004:	0005006b          	0x5006b
+80000008:	020025f3          	csrr	a1,0x20
+8000000c:	00259593          	slli	a1,a1,0x2
+80000010:	20000637          	lui	a2,0x20000
+80000014:	00b60633          	add	a2,a2,a1
+80000018:	00b62023          	sw	a1,0(a2) # 20000000 <_start-0x60000000>
+8000001c:	40000637          	lui	a2,0x40000
+80000020:	00b60633          	add	a2,a2,a1
+80000024:	00500693          	li	a3,5
+80000028:	00d62023          	sw	a3,0(a2) # 40000000 <_start-0x40000000>
+8000002c:	80000637          	lui	a2,0x80000
+80000030:	00b60633          	add	a2,a2,a1
+80000034:	00700693          	li	a3,7
+80000038:	00d62023          	sw	a3,0(a2) # 80000000 <arr+0xfefffefc>
+8000003c:	60000637          	lui	a2,0x60000
+80000040:	00b60633          	add	a2,a2,a1
+80000044:	00700693          	li	a3,7
+80000048:	00d62023          	sw	a3,0(a2) # 60000000 <_start-0x20000000>
+8000004c:	20000637          	lui	a2,0x20000
+80000050:	00b60633          	add	a2,a2,a1
+80000054:	00062703          	lw	a4,0(a2) # 20000000 <_start-0x60000000>
+80000058:	00000513          	li	a0,0
+8000005c:	0005006b          	0x5006b
+
+80000060 <vx_wsapwn>:
+80000060:	00b5106b          	0xb5106b
+80000064:	00008067          	ret
+
+80000068 <vx_tmc>:
+80000068:	0005006b          	0x5006b
+8000006c:	00008067          	ret
+
+80000070 <vx_barrier>:
+80000070:	00b5406b          	0xb5406b
+80000074:	00008067          	ret
+
+80000078 <vx_split>:
+80000078:	0005206b          	0x5206b
+
+8000007c <vx_join>:
+8000007c:	0000306b          	0x306b
+80000080:	00008067          	ret
+
+80000084 <vx_warpID>:
+80000084:	02102573          	csrr	a0,0x21
+80000088:	00008067          	ret
+
+8000008c <vx_threadID>:
+8000008c:	02002573          	csrr	a0,0x20
+80000090:	00008067          	ret
+
+80000094 <vx_print_str>:
+80000094:	ff410113          	addi	sp,sp,-12
+80000098:	00112023          	sw	ra,0(sp)
+8000009c:	00b12223          	sw	a1,4(sp)
+
+800000a0 <bl>:
+800000a0:	00054583          	lbu	a1,0(a0)
+800000a4:	00058863          	beqz	a1,800000b4 <be>
+800000a8:	01c000ef          	jal	ra,800000c4 <vx_printc>
+800000ac:	00150513          	addi	a0,a0,1
+800000b0:	ff1ff06f          	j	800000a0 <bl>
+
+800000b4 <be>:
+800000b4:	00012083          	lw	ra,0(sp)
+800000b8:	00412583          	lw	a1,4(sp)
+800000bc:	00c10113          	addi	sp,sp,12
+800000c0:	00008067          	ret
+
+800000c4 <vx_printc>:
+800000c4:	000102b7          	lui	t0,0x10
+800000c8:	00b2a023          	sw	a1,0(t0) # 10000 <_start-0x7fff0000>
+800000cc:	00008067          	ret
+
+800000d0 <vx_print_hex>:
+800000d0:	fe010113          	addi	sp,sp,-32
+800000d4:	00112e23          	sw	ra,28(sp)
+800000d8:	00812c23          	sw	s0,24(sp)
+800000dc:	02010413          	addi	s0,sp,32
+800000e0:	fea42623          	sw	a0,-20(s0)
+800000e4:	810007b7          	lui	a5,0x81000
+800000e8:	fec42703          	lw	a4,-20(s0)
+800000ec:	00271713          	slli	a4,a4,0x2
+800000f0:	08478793          	addi	a5,a5,132 # 81000084 <arr+0xffffff80>
+800000f4:	00f707b3          	add	a5,a4,a5
+800000f8:	0007a783          	lw	a5,0(a5)
+800000fc:	00078513          	mv	a0,a5
+80000100:	f95ff0ef          	jal	ra,80000094 <vx_print_str>
+80000104:	00000013          	nop
+80000108:	01c12083          	lw	ra,28(sp)
+8000010c:	01812403          	lw	s0,24(sp)
+80000110:	02010113          	addi	sp,sp,32
+80000114:	00008067          	ret
+
+80000118 <vx_printf>:
+80000118:	fe010113          	addi	sp,sp,-32
+8000011c:	00112e23          	sw	ra,28(sp)
+80000120:	00812c23          	sw	s0,24(sp)
+80000124:	02010413          	addi	s0,sp,32
+80000128:	fea42623          	sw	a0,-20(s0)
+8000012c:	feb42423          	sw	a1,-24(s0)
+80000130:	fec42503          	lw	a0,-20(s0)
+80000134:	f61ff0ef          	jal	ra,80000094 <vx_print_str>
+80000138:	fe842503          	lw	a0,-24(s0)
+8000013c:	f95ff0ef          	jal	ra,800000d0 <vx_print_hex>
+80000140:	810007b7          	lui	a5,0x81000
+80000144:	04078513          	addi	a0,a5,64 # 81000040 <arr+0xffffff3c>
+80000148:	f4dff0ef          	jal	ra,80000094 <vx_print_str>
+8000014c:	00000013          	nop
+80000150:	01c12083          	lw	ra,28(sp)
+80000154:	01812403          	lw	s0,24(sp)
+80000158:	02010113          	addi	sp,sp,32
+8000015c:	00008067          	ret
+
+80000160 <main>:
+80000160:	fe010113          	addi	sp,sp,-32
+80000164:	00112e23          	sw	ra,28(sp)
+80000168:	00812c23          	sw	s0,24(sp)
+8000016c:	02010413          	addi	s0,sp,32
+80000170:	00400513          	li	a0,4
+80000174:	ef5ff0ef          	jal	ra,80000068 <vx_tmc>
+80000178:	f15ff0ef          	jal	ra,8000008c <vx_threadID>
+8000017c:	fea42623          	sw	a0,-20(s0)
+80000180:	fec42703          	lw	a4,-20(s0)
+80000184:	810007b7          	lui	a5,0x81000
+80000188:	fec42683          	lw	a3,-20(s0)
+8000018c:	00269693          	slli	a3,a3,0x2
+80000190:	10478793          	addi	a5,a5,260 # 81000104 <arr+0x0>
+80000194:	00f687b3          	add	a5,a3,a5
+80000198:	00e7a023          	sw	a4,0(a5)
+8000019c:	00000793          	li	a5,0
+800001a0:	00078513          	mv	a0,a5
+800001a4:	01c12083          	lw	ra,28(sp)
+800001a8:	01812403          	lw	s0,24(sp)
+800001ac:	02010113          	addi	sp,sp,32
+800001b0:	00008067          	ret
+
+Disassembly of section .rodata:
+
+81000000 <.rodata>:
+81000000:	0030                	addi	a2,sp,8
+81000002:	0000                	unimp
+81000004:	0031                	c.nop	12
+81000006:	0000                	unimp
+81000008:	0032                	c.slli	zero,0xc
+8100000a:	0000                	unimp
+8100000c:	00000033          	add	zero,zero,zero
+81000010:	0034                	addi	a3,sp,8
+81000012:	0000                	unimp
+81000014:	0035                	c.nop	13
+81000016:	0000                	unimp
+81000018:	0036                	c.slli	zero,0xd
+8100001a:	0000                	unimp
+8100001c:	00000037          	lui	zero,0x0
+81000020:	0038                	addi	a4,sp,8
+81000022:	0000                	unimp
+81000024:	0039                	c.nop	14
+81000026:	0000                	unimp
+81000028:	0061                	c.nop	24
+8100002a:	0000                	unimp
+8100002c:	0062                	c.slli	zero,0x18
+8100002e:	0000                	unimp
+81000030:	00000063          	beqz	zero,81000030 <main+0xfffed0>
+81000034:	0064                	addi	s1,sp,12
+81000036:	0000                	unimp
+81000038:	0065                	c.nop	25
+8100003a:	0000                	unimp
+8100003c:	0066                	c.slli	zero,0x19
+8100003e:	0000                	unimp
+81000040:	000a                	c.slli	zero,0x2
+81000042:	0000                	unimp
+81000044:	0030                	addi	a2,sp,8
+81000046:	0000                	unimp
+81000048:	0031                	c.nop	12
+8100004a:	0000                	unimp
+8100004c:	0032                	c.slli	zero,0xc
+8100004e:	0000                	unimp
+81000050:	00000033          	add	zero,zero,zero
+81000054:	0034                	addi	a3,sp,8
+81000056:	0000                	unimp
+81000058:	0035                	c.nop	13
+8100005a:	0000                	unimp
+8100005c:	0036                	c.slli	zero,0xd
+8100005e:	0000                	unimp
+81000060:	00000037          	lui	zero,0x0
+81000064:	0038                	addi	a4,sp,8
+81000066:	0000                	unimp
+81000068:	0039                	c.nop	14
+8100006a:	0000                	unimp
+8100006c:	0061                	c.nop	24
+8100006e:	0000                	unimp
+81000070:	0062                	c.slli	zero,0x18
+81000072:	0000                	unimp
+81000074:	00000063          	beqz	zero,81000074 <main+0xffff14>
+81000078:	0064                	addi	s1,sp,12
+8100007a:	0000                	unimp
+8100007c:	0065                	c.nop	25
+8100007e:	0000                	unimp
+81000080:	0066                	c.slli	zero,0x19
+
+Disassembly of section .data:
+
+81000084 <hextoa>:
+81000084:	0000                	unimp
+81000086:	8100                	0x8100
+81000088:	0004                	0x4
+8100008a:	8100                	0x8100
+8100008c:	0008                	0x8
+8100008e:	8100                	0x8100
+81000090:	000c                	0xc
+81000092:	8100                	0x8100
+81000094:	0010                	0x10
+81000096:	8100                	0x8100
+81000098:	0014                	0x14
+8100009a:	8100                	0x8100
+8100009c:	0018                	0x18
+8100009e:	8100                	0x8100
+810000a0:	001c                	0x1c
+810000a2:	8100                	0x8100
+810000a4:	0020                	addi	s0,sp,8
+810000a6:	8100                	0x8100
+810000a8:	0024                	addi	s1,sp,8
+810000aa:	8100                	0x8100
+810000ac:	0028                	addi	a0,sp,8
+810000ae:	8100                	0x8100
+810000b0:	002c                	addi	a1,sp,8
+810000b2:	8100                	0x8100
+810000b4:	0030                	addi	a2,sp,8
+810000b6:	8100                	0x8100
+810000b8:	0034                	addi	a3,sp,8
+810000ba:	8100                	0x8100
+810000bc:	0038                	addi	a4,sp,8
+810000be:	8100                	0x8100
+810000c0:	003c                	addi	a5,sp,8
+810000c2:	8100                	0x8100
+
+810000c4 <hextoa>:
+810000c4:	0044                	addi	s1,sp,4
+810000c6:	8100                	0x8100
+810000c8:	0048                	addi	a0,sp,4
+810000ca:	8100                	0x8100
+810000cc:	004c                	addi	a1,sp,4
+810000ce:	8100                	0x8100
+810000d0:	0050                	addi	a2,sp,4
+810000d2:	8100                	0x8100
+810000d4:	0054                	addi	a3,sp,4
+810000d6:	8100                	0x8100
+810000d8:	0058                	addi	a4,sp,4
+810000da:	8100                	0x8100
+810000dc:	005c                	addi	a5,sp,4
+810000de:	8100                	0x8100
+810000e0:	0060                	addi	s0,sp,12
+810000e2:	8100                	0x8100
+810000e4:	0064                	addi	s1,sp,12
+810000e6:	8100                	0x8100
+810000e8:	0068                	addi	a0,sp,12
+810000ea:	8100                	0x8100
+810000ec:	006c                	addi	a1,sp,12
+810000ee:	8100                	0x8100
+810000f0:	0070                	addi	a2,sp,12
+810000f2:	8100                	0x8100
+810000f4:	0074                	addi	a3,sp,12
+810000f6:	8100                	0x8100
+810000f8:	0078                	addi	a4,sp,12
+810000fa:	8100                	0x8100
+810000fc:	007c                	addi	a5,sp,12
+810000fe:	8100                	0x8100
+81000100:	0080                	addi	s0,sp,64
+81000102:	8100                	0x8100
+
+Disassembly of section .bss:
+
+81000104 <arr>:
+	...
+
+Disassembly of section .comment:
+
+82000000 <.comment>:
+82000000:	3a434347          	fmsub.d	ft6,ft6,ft4,ft7,rmm
+82000004:	2820                	fld	fs0,80(s0)
+82000006:	29554e47          	fmsub.s	ft8,fa0,fs5,ft5,rmm
+8200000a:	3820                	fld	fs0,112(s0)
+8200000c:	322e                	fld	ft4,232(sp)
+8200000e:	302e                	fld	ft0,232(sp)
+	...

runtime/vortex_runtime.hex

@@ -0,0 +1,49 @@
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runtime/vx_main.c

@@ -0,0 +1,31 @@
+
+#include "intrinsics/vx_intrinsics.h"
+#include "io/vx_io.h"
+
+int arr[4];
+
+int main()
+{
+	// vx_print_str("Hello from runtime\n");
+
+	vx_tmc(4); // Activate 4 threads
+
+	unsigned tid = vx_threadID(); // Get TID
+
+
+	arr[tid] = tid;
+
+	// vx_tmc(1);
+
+	// vx_print_hex(arr[0]);
+	// vx_print_str("\n");
+	// vx_print_hex(arr[1]);
+	// vx_print_str("\n");
+	// vx_print_hex(arr[2]);
+	// vx_print_str("\n");
+	// vx_print_hex(arr[3]);
+	// vx_print_str("\n");
+
+
+	return 0;
+}