[igt-dev] [PATCH i-g-t] debugger: Remove shader debugger

Petri Latvala petri.latvala at intel.com
Wed Apr 10 10:32:18 UTC 2019


On Mon, Apr 08, 2019 at 03:26:46PM +0300, Arkadiusz Hiler wrote:
> Compilation support was dropped in January 2019, since then it's just a
> dead code in the repo and no one seems to be missing it.
> 
> Anyway, it can always be reintroduced from the chasms of git history.
> 
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Petri Latvala <petri.latvala at intel.com>
> Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler at intel.com>

Acked-by: Petri Latvala <petri.latvala at intel.com>

If this passes gitlab CI (there could be some hilarious hook in the
autotools code that wasn't spotted, the usual story), go ahead and
merge this.


> ---
>  README.md                                |  10 -
>  debugger/.gitignore                      |   2 -
>  debugger/debug_rdata.c                   | 142 ------
>  debugger/eudb.c                          | 602 -----------------------
>  debugger/system_routine/.gitignore       |  10 -
>  debugger/system_routine/eviction_macro.c |  48 --
>  debugger/system_routine/pre_cpp.py       | 126 -----
>  debugger/system_routine/sr.g4a           | 277 -----------
>  debugger/system_routine/test.g4a         |  64 ---
>  9 files changed, 1281 deletions(-)
>  delete mode 100644 debugger/.gitignore
>  delete mode 100644 debugger/debug_rdata.c
>  delete mode 100644 debugger/eudb.c
>  delete mode 100644 debugger/system_routine/.gitignore
>  delete mode 100644 debugger/system_routine/eviction_macro.c
>  delete mode 100755 debugger/system_routine/pre_cpp.py
>  delete mode 100644 debugger/system_routine/sr.g4a
>  delete mode 100644 debugger/system_routine/test.g4a
> 
> diff --git a/README.md b/README.md
> index 2d583095..9be840c8 100644
> --- a/README.md
> +++ b/README.md
> @@ -107,16 +107,6 @@ people debugging the driver.
>  These tools generally must be run as root, except for the ones that just
>  decode dumps.
>  
> -**debugger/**
> -
> -This tool is to be used to do shader debugging. It acts like a
> -debug server accepting connections from debug clients such as
> -mesa. The connections is made with unix domain sockets, and at some
> -point it would be nice if this directory contained a library for
> -initiating connections with debug clients..
> -
> -The debugger must be run as root: "sudo debugger/eudb"
> -
>  **docs/**
>  
>  Contains the automatically generated igt-gpu-tools libraries
> diff --git a/debugger/.gitignore b/debugger/.gitignore
> deleted file mode 100644
> index 873cd273..00000000
> --- a/debugger/.gitignore
> +++ /dev/null
> @@ -1,2 +0,0 @@
> -debug_rdata
> -eudb
> diff --git a/debugger/debug_rdata.c b/debugger/debug_rdata.c
> deleted file mode 100644
> index 61d82d9e..00000000
> --- a/debugger/debug_rdata.c
> +++ /dev/null
> @@ -1,142 +0,0 @@
> -/*
> - * Copyright © 2011 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> - *
> - * Authors:
> - *    Ben Widawsky <ben at bwidawsk.net>
> - *
> - */
> -
> -#include <stdint.h>
> -#include <stdio.h>
> -#include <stdlib.h>
> -#include "intel_io.h"
> -#include "intel_chipset.h"
> -
> -struct eu_rdata {
> -	union {
> -		struct {
> -			uint8_t sendc_dep : 1;
> -			uint8_t swh_dep : 1;
> -			uint8_t pwc_dep : 1;
> -			uint8_t n2_dep : 1;
> -			uint8_t n1_dep : 1;
> -			uint8_t n0_dep : 1;
> -			uint8_t flag1_dep : 1;
> -			uint8_t flag0_dep : 1;
> -			uint8_t indx_dep : 1;
> -			uint8_t mrf_dep : 1;
> -			uint8_t dst_dep : 1;
> -			uint8_t src2_dep : 1;
> -			uint8_t src1_dep : 1;
> -			uint8_t src0_dep : 1;
> -			uint8_t mp_dep_pin : 1;
> -			uint8_t sp_dep_pin : 1;
> -			uint8_t fftid : 8;
> -			uint8_t ffid : 4;
> -			uint8_t instruction_valid : 1;
> -			uint8_t thread_status : 3;
> -		};
> -		uint32_t dword;
> -	} ud0;
> -
> -	union {
> -		struct {
> -			uint8_t mrf_addr : 4;
> -			uint8_t dst_addr : 7;
> -			uint8_t src2_addr : 7;
> -			uint8_t src1_addr : 7;
> -			uint8_t src0_addr : 7;
> -		};
> -		uint32_t dword;
> -	} ud1;
> -
> -	union {
> -		struct {
> -			uint16_t exip : 12;
> -			uint8_t opcode : 7;
> -			uint8_t pwc : 8;
> -			uint8_t instruction_valid : 1;
> -			uint8_t mbz : 4;
> -		};
> -		uint32_t dword;
> -	} ud2;
> -};
> -
> -const char *thread_status[] = 
> -	{"INVALID", "invalid/no thread", "standby (dependency)", "INVALID", "Executing",
> -	 "INVALID" , "INVALID" , "INVALID"};
> -
> -static struct eu_rdata
> -collect_rdata(int eu, int tid) {
> -	struct eu_rdata rdata;
> -
> -	intel_register_write(0x7800, eu << 16 | (3 * tid) << 8);
> -	rdata.ud0.dword = intel_register_read(0x7840);
> -
> -	intel_register_write(0x7800, eu << 16 | (3 * tid + 1) << 8);
> -	rdata.ud1.dword = intel_register_read(0x7840);
> -
> -	intel_register_write(0x7800, eu << 16 | (3 * tid + 2) << 8);
> -	rdata.ud2.dword = intel_register_read(0x7840);
> -
> -	return rdata;
> -}
> -static void
> -print_rdata(struct eu_rdata rdata) {
> -	printf("\t%s\n", thread_status[rdata.ud0.thread_status]);
> -	printf("\tn1_dep: %d\n", rdata.ud0.n1_dep);
> -	printf("\tpwc_dep: %d\n", rdata.ud0.pwc_dep);
> -	printf("\tswh_dep: %d\n", rdata.ud0.swh_dep);
> -	printf("\tsource 0 %x\n", rdata.ud1.src0_addr);
> -	printf("\tsource 1 %x\n", rdata.ud1.src1_addr);
> -	printf("\tsource 2 %x\n", rdata.ud1.src2_addr);
> -	printf("\tdest  %x\n", rdata.ud1.dst_addr);
> -	printf("\tmrf  %x\n", rdata.ud1.mrf_addr);
> -	printf("\tIP: %x\n", rdata.ud2.exip);
> -	printf("\topcode: %x\n", rdata.ud2.opcode);
> -}
> -
> -static void
> -find_stuck_threads(void)
> -{
> -	int i, j;
> -	for (i = 0; i < 15; i++)
> -		for (j = 0; j < 5; j++) {
> -			struct eu_rdata rdata;
> -			rdata = collect_rdata(i, j);
> -			if (rdata.ud0.thread_status == 2 ||
> -			    rdata.ud0.thread_status == 4) {
> -				printf("%d %d:\n", i, j);
> -				print_rdata(rdata);
> -			}
> -	}
> -}
> -
> -int main(int argc, char *argv[]) {
> -	struct pci_device *pci_dev;
> -	pci_dev = intel_get_pci_device();
> -
> -	intel_register_access_init(pci_dev, 1);
> -	find_stuck_threads();
> -//	collect_rdata(atoi(argv[1]), atoi(argv[2]));
> -	return 0;
> -}
> diff --git a/debugger/eudb.c b/debugger/eudb.c
> deleted file mode 100644
> index 866d4b52..00000000
> --- a/debugger/eudb.c
> +++ /dev/null
> @@ -1,602 +0,0 @@
> -/*
> - * Copyright © 2011 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> - *
> - * Authors:
> - *    Ben Widawsky <ben at bwidawsk.net>
> - *
> - * Notes:
> - *
> - */
> -
> -#include <signal.h>
> -#include <stdlib.h>
> -#include <fcntl.h>
> -#include <unistd.h>
> -#include <string.h>
> -#include <strings.h>
> -#include <assert.h>
> -#include <sys/types.h>
> -#include <sys/stat.h>
> -#include <sys/mman.h>
> -#include <sys/un.h>
> -#include <sys/socket.h>
> -#include "drm.h"
> -#include "i915_drm.h"
> -#include "drmtest.h"
> -#include "intel_chipset.h"
> -#include "intel_bufmgr.h"
> -#include "intel_io.h"
> -#include "intel_batchbuffer.h"
> -#include "intel_debug.h"
> -#include "debug.h"
> -
> -#define EU_ATT		0x7810
> -#define EU_ATT_CLR	0x7830
> -
> -#define RSVD_EU -1
> -#define RSVD_THREAD -1
> -#define RSVD_ID EUID(-1, -1, -1)
> -
> -enum {
> -	EBAD_SHMEM,
> -	EBAD_PROTOCOL,
> -	EBAD_MAGIC,
> -	EBAD_WRITE
> -};
> -
> -struct debuggee {
> -	int euid;
> -	int tid;
> -	int fd;
> -	int clr;
> -	uint32_t reg;
> -};
> -
> -struct debugger {
> -	struct debuggee *debuggees;
> -	int num_threads;
> -	int real_num_threads;
> -	int threads_per_eu;
> -} *eu_info;
> -
> -drm_intel_bufmgr *bufmgr;
> -struct intel_batchbuffer *batch;
> -drm_intel_bo *scratch_bo;
> -
> -int handle;
> -int drm_fd;
> -int debug_fd = 0;
> -const char *debug_file = "dump_debug.bin";
> -int debug;
> -int clear_waits;
> -int shutting_down = 0;
> -struct intel_debug_handshake dh;
> -int force_clear = 0;
> -uint32_t old_td_ctl;
> -
> -/*
> - * The docs are wrong about the attention clear bits. The clear bits are
> - * provided as part of the structure in case they change in future generations.
> - */
> -#define EUID(eu, td, clear) \
> -	{ .euid = eu, .tid = td, .reg = EU_ATT, .fd = -1, .clr = clear }
> -#define EUID2(eu, td, clear) \
> -	{ .euid = eu, .tid = td, .reg = EU_ATT + 4, .fd = -1, .clr = clear }
> -struct debuggee gt1_debug_ids[] = {
> -	RSVD_ID, RSVD_ID,
> -	RSVD_ID, EUID(6, 3, 28), EUID(6, 2, 27), EUID(6, 1, 26), EUID(6, 0, 25),
> -	RSVD_ID, EUID(5, 3, 23), EUID(5, 2, 22), EUID(5, 1, 21), EUID(5, 0, 20),
> -	RSVD_ID, EUID(4, 3, 18), EUID(4, 2, 17), EUID(4, 1, 16), EUID(4, 0, 15),
> -	RSVD_ID, EUID(2, 3, 13), EUID(2, 2, 12), EUID(2, 1, 11), EUID(2, 0, 10),
> -	RSVD_ID, EUID(1, 3, 8), EUID(1, 2, 7), EUID(1, 1, 6), EUID(1, 0, 5),
> -	RSVD_ID, EUID(0, 3, 3), EUID(0, 2, 2), EUID(0, 1, 1), EUID(0, 0, 0)
> -};
> -
> -struct debuggee gt2_debug_ids[] = {
> -	EUID(8, 1, 31), EUID(8, 0, 30),
> -	EUID(6, 4, 29), EUID(6, 3, 28), EUID(6, 2, 27), EUID(6, 1, 26), EUID(6, 0, 25),
> -	EUID(5, 4, 24), EUID(5, 3, 23), EUID(5, 2, 22), EUID(5, 1, 21), EUID(5, 0, 20),
> -	EUID(4, 4, 19), EUID(4, 3, 18), EUID(4, 2, 17), EUID(4, 1, 16), EUID(4, 0, 15),
> -	EUID(2, 4, 14), EUID(2, 3, 13), EUID(2, 2, 12), EUID(2, 1, 11), EUID(2, 0, 10),
> -	EUID(1, 4, 9), EUID(1, 3, 8), EUID(1, 2, 7), EUID(1, 1, 6), EUID(1, 0, 5),
> -	EUID(0, 4, 4), EUID(0, 3, 3), EUID(0, 2, 2), EUID(0, 1, 1), EUID(0, 0, 0),
> -	RSVD_ID, RSVD_ID, RSVD_ID, RSVD_ID,
> -	EUID2(14, 4, 27), EUID2(14, 3, 26), EUID2(14, 2, 25), EUID2(14, 1, 24), EUID2(14, 0, 23),
> -	EUID2(13, 4, 22), EUID2(13, 3, 21), EUID2(13, 2, 20), EUID2(13, 1, 19), EUID2(13, 0, 18),
> -	EUID2(12, 4, 17), EUID2(12, 3, 16), EUID2(12, 2, 15), EUID2(12, 1, 14), EUID2(12, 0, 13),
> -	EUID2(10, 4, 12), EUID2(10, 3, 11), EUID2(10, 2, 10), EUID2(10, 1, 9), EUID2(10, 0, 8),
> -	EUID2(9, 4, 7), EUID2(9, 3, 6), EUID2(9, 2, 5), EUID2(9, 1, 4), EUID2(9, 0, 3),
> -	EUID2(8, 4, 2), EUID2(8, 3, 1), EUID2(8, 2, 0)
> -};
> -
> -struct debugger gt1 = {
> -	.debuggees = gt1_debug_ids,
> -	.num_threads = 32,
> -	.real_num_threads = 24,
> -	.threads_per_eu = 4
> -};
> -
> -struct debugger gt2 = {
> -	.debuggees = gt2_debug_ids,
> -	.num_threads = 64,
> -	.real_num_threads = 60,
> -	.threads_per_eu = 5
> -};
> -
> -static void
> -dump_debug(void *buf, size_t count) {
> -	if (!debug_fd)
> -		debug_fd = open(debug_file, O_CREAT | O_WRONLY | O_TRUNC, S_IRWXO);
> -
> -	if (write(debug_fd, buf, count) == -1)
> -		fprintf(stderr, "Error writing to debug file: %s\n",
> -			strerror(errno));
> -}
> -
> -static volatile void *
> -map_debug_buffer(void) {
> -	int ret;
> -
> -	ret = drm_intel_bo_map(scratch_bo, 0);
> -	assert(ret == 0);
> -	return scratch_bo->virtual;
> -}
> -
> -static void
> -unmap_debug_buffer(void) {
> -	drm_intel_bo_unmap(scratch_bo);
> -}
> -
> -static int
> -wait_for_attn(int timeout, int *out_bits) {
> -	int step = 1;
> -	int eus_waiting = 0;
> -	int i,j;
> -
> -	if (timeout <= 0) {
> -		timeout = 1;
> -		step = 0;
> -	}
> -
> -	for (i = 0; i < timeout; i += step) {
> -		for (j = 0; j < 8; j += 4) {
> -			uint32_t attn = intel_register_read(EU_ATT + j);
> -			if (attn) {
> -				int bit = 0;
> -				while( (bit = ffs(attn)) != 0) {
> -					bit--; // ffs is 1 based
> -					assert(bit >= 0);
> -					out_bits[eus_waiting] = bit + (j * 8);
> -					attn &= ~(1 << bit);
> -					eus_waiting++;
> -				}
> -			}
> -		}
> -
> -		if (intel_register_read(EU_ATT + 8) ||
> -		    intel_register_read(EU_ATT + 0xc)) {
> -			fprintf(stderr, "Unknown attention bits\n");
> -		}
> -
> -		if (eus_waiting || shutting_down)
> -			break;
> -	}
> -
> -	return eus_waiting;
> -}
> -
> -#define eu_fd(bit) eu_info->debuggees[bit].fd
> -#define eu_id(bit) eu_info->debuggees[bit].euid
> -#define eu_tid(bit) eu_info->debuggees[bit].tid
> -static struct eu_state *
> -find_eu_shmem(int bit, volatile uint8_t *buf) {
> -	struct eu_state *eu;
> -	int mem_tid, mem_euid, i;
> -
> -	for(i = 0; i < eu_info->num_threads; i++) {
> -		eu = (struct eu_state *)(buf + i * dh.per_thread_scratch);
> -		mem_tid = eu->sr0 & 0x7;
> -		mem_euid = (eu->sr0 >> 8) & 0xf;
> -		if (mem_tid == eu_tid(bit) && mem_euid == eu_id(bit))
> -			break;
> -		eu = NULL;
> -	}
> -
> -	return eu;
> -}
> -
> -#define GRF_CMP(a, b) memcmp(a, b, sizeof(grf))
> -#define GRF_CPY(a, b) memcpy(a, b, sizeof(grf))
> -static int
> -verify(struct eu_state *eu) {
> -	if (GRF_CMP(eu->version, protocol_version)) {
> -		if (debug) {
> -			printf("Bad EU protocol version %x %x\n",
> -				((uint32_t *)&eu->version)[0],
> -				DEBUG_PROTOCOL_VERSION);
> -			dump_debug((void *)eu, sizeof(*eu));
> -		}
> -		return -EBAD_PROTOCOL;
> -	}
> -
> -	if (GRF_CMP(eu->state_magic, eu_msg)) {
> -		if (debug) {
> -			printf("Bad EU state magic %x %x\n",
> -				((uint32_t *)&eu->state_magic)[0],
> -				((uint32_t *)&eu->state_magic)[1]);
> -			dump_debug((void *)eu, sizeof(*eu));
> -		}
> -		return -EBAD_MAGIC;
> -	} else {
> -		GRF_CPY(eu->state_magic, cpu_ack);
> -	}
> -
> -	eu->sr0 = RSVD_EU << 8 | RSVD_THREAD;
> -	return 0;
> -}
> -
> -static int
> -collect_data(int bit, volatile uint8_t *buf) {
> -	struct eu_state *eu;
> -	ssize_t num;
> -	int ret;
> -
> -	assert(eu_id(bit) != RSVD_EU);
> -
> -	if (eu_fd(bit) == -1) {
> -		char name[128];
> -		sprintf(name, "dump_eu_%02d_%d.bin", eu_id(bit), eu_tid(bit));
> -		eu_fd(bit) = open(name, O_CREAT | O_WRONLY | O_TRUNC, S_IRWXO);
> -		if (eu_fd(bit) == -1)
> -			return -1;
> -	}
> -
> -	eu = find_eu_shmem(bit, buf);
> -
> -	if (eu == NULL) {
> -		if (debug)
> -			printf("Bad offset %d %d\n", eu_id(bit), eu_tid(bit));
> -		return -EBAD_SHMEM;
> -	}
> -
> -	ret = verify(eu);
> -	if (ret)
> -		return ret;
> -
> -	num = write(eu_fd(bit), (void *)eu, sizeof(*eu));
> -	if (num != sizeof(*eu)) {
> -		perror("unhandled write failure");
> -		return EBAD_WRITE;
> -	}
> -
> -
> -	return 0;
> -}
> -
> -static void
> -clear_attn(int bit) {
> -#if 0
> -/*
> - * This works but doesn't allow for easily changed clearing bits
> - */
> -static void
> -clear_attn_old(int bit) {
> -	int bit_to_clear = bit % 32;
> -	bit_to_clear = 31 - bit_to_clear;
> -	intel_register_write(0x7830 + (bit/32) * 4, 0);
> -	intel_register_write(0x7830 + (bit/32) * 4, 1 << bit_to_clear);
> -}
> -#else
> -	if (!force_clear) {
> -		int bit_to_clear;
> -		bit_to_clear = eu_info->debuggees[bit].clr;
> -		intel_register_write(EU_ATT_CLR + (bit/32) * 4, 0);
> -		intel_register_write(EU_ATT_CLR + (bit/32) * 4, 1 << bit_to_clear);
> -	} else {
> -		intel_register_write(EU_ATT_CLR + 0, 0);
> -		intel_register_write(EU_ATT_CLR + 4, 0);
> -		intel_register_write(EU_ATT_CLR + 0, 0xffffffff);
> -		intel_register_write(EU_ATT_CLR + 4, 0xffffffff);
> -	}
> -#endif
> -}
> -
> -static void
> -db_shutdown(int sig) {
> -	shutting_down = 1;
> -	printf("Shutting down...\n");
> -}
> -
> -static void __attribute__((noreturn))
> -die(int reason) {
> -	int i = 0;
> -
> -	intel_register_write(EU_ATT_CLR, 0);
> -	intel_register_write(EU_ATT_CLR + 4, 0);
> -
> -	if (debug_fd)
> -		close(debug_fd);
> -
> -	for (i = 0; i < eu_info->num_threads; i++) {
> -		if (eu_info->debuggees[i].fd != -1)
> -			close(eu_info->debuggees[i].fd);
> -	}
> -
> -	unmap_debug_buffer();
> -
> -	if (old_td_ctl)
> -		intel_register_write(TD_CTL, old_td_ctl);
> -	intel_register_access_fini();
> -	exit(reason);
> -}
> -
> -static int
> -identify_device(int devid) {
> -	if (!IS_SANDYBRIDGE(devid))
> -		return -ENODEV;
> -
> -	switch (intel_gt(devid)) {
> -	case 0:
> -		eu_info = &gt1;
> -		break;
> -	case 1:
> -		eu_info = &gt2;
> -		break;
> -	default:
> -		return 1;
> -	}
> -
> -	return 0;
> -}
> -
> -static void
> -parse_data(const char *file_name) {
> -	struct eu_state *eu_state = NULL;
> -	struct stat st;
> -	int fd = -1;
> -	int ret, i, elements;
> -
> -	fd = open(file_name, O_RDONLY);
> -	if (fd == -1) {
> -		perror("open");
> -		goto out;
> -	}
> -
> -	ret = fstat(fd, &st);
> -	if (ret == -1) {
> -		perror("fstat");
> -		goto out;
> -	}
> -
> -	elements = st.st_size / sizeof(struct eu_state);
> -	if (elements == 0) {
> -		fprintf(stderr, "File not big enough for 1 entry\n");
> -		goto out;
> -	}
> -
> -	eu_state = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
> -	if (eu_state == MAP_FAILED) {
> -		perror("mmap");
> -		goto out;
> -	}
> -
> -	for(i = 0; i < elements; i++) {
> -		printf("AIP: ");
> -			printf("%x\n", ((uint32_t *)eu_state[i].cr0)[2]);
> -	}
> -out:
> -	if (eu_state)
> -		munmap(eu_state, st.st_size);
> -	if (fd != -1)
> -		close(fd);
> -}
> -
> -static int
> -wait_for_scratch_bo(void) {
> -	struct sockaddr_un addr;
> -	uint32_t version;
> -	int fd, ret, dh_handle = -1;
> -
> -	assert(sizeof(version) == sizeof(dh.version));
> -
> -	fd = socket(AF_UNIX, SOCK_STREAM, 0);
> -	if (fd == -1)
> -		return -1;
> -
> -	/* Clean up previous runs */
> -	remove(SHADER_DEBUG_SOCKET);
> -
> -	memset(&addr, 0, sizeof(addr));
> -	addr.sun_family = AF_UNIX;
> -	strncpy(addr.sun_path, SHADER_DEBUG_SOCKET, sizeof(addr.sun_path) - 1);
> -
> -	ret = bind(fd, (const struct sockaddr *)&addr, sizeof(addr));
> -	if (ret == -1) {
> -		perror("listen");
> -		return -1;
> -	}
> -
> -	ret = listen(fd, 1);
> -	if (ret == -1) {
> -		perror("listen");
> -		goto done;
> -	}
> -
> -	while(1) {
> -		int client_fd;
> -		size_t count;
> -		char ack[] = DEBUG_HANDSHAKE_ACK;
> -
> -		client_fd = accept(fd, NULL, NULL);
> -		if (client_fd == -1) {
> -			perror("accept");
> -			goto done;
> -		}
> -
> -		count = read(client_fd, &version, sizeof(version));
> -		if (count != sizeof(version)) {
> -			perror("read version");
> -			goto loop_out;
> -		}
> -
> -		if (version != DEBUG_HANDSHAKE_VERSION) {
> -			fprintf(stderr, "Bad debug handshake\n");
> -			goto loop_out;
> -		}
> -
> -		count = read(client_fd, ((char *)&dh) + 1, sizeof(dh) - 1);
> -		if (count != sizeof(dh) - 1) {
> -			perror("read handshake");
> -			goto loop_out;
> -		}
> -
> -		count = write(client_fd, ack, sizeof(ack));
> -		if (count != sizeof(ack)) {
> -			perror("write ack");
> -			goto loop_out;
> -		}
> -		dh_handle = dh.flink_handle;
> -		if (debug > 0) {
> -			printf("Handshake completed successfully\n"
> -				"\tprotocol version = %d\n"
> -				"\tflink handle = %d\n"
> -				"\tper thread scratch = %x\n", version,
> -				dh.flink_handle, dh.per_thread_scratch);
> -		}
> -
> -	loop_out:
> -		close(client_fd);
> -		break;
> -	}
> -
> -done:
> -	close(fd);
> -	return dh_handle;
> -}
> -
> -static void
> -setup_hw_bits(void)
> -{
> -	intel_register_write(INST_PM, GEN6_GLOBAL_DEBUG_ENABLE |
> -				      GEN6_GLOBAL_DEBUG_ENABLE << 16);
> -	old_td_ctl = intel_register_read(GEN6_TD_CTL);
> -	intel_register_write(GEN6_TD_CTL, GEN6_TD_CTL_FORCE_TD_BKPT);
> -}
> -
> -int main(int argc, char* argv[]) {
> -	struct pci_device *pci_dev;
> -	volatile uint8_t *scratch = NULL;
> -	int bits[64];
> -	int devid = -1, opt;
> -
> -	while ((opt = getopt(argc, argv, "cdr:pf?h")) != -1) {
> -		switch (opt) {
> -		case 'c':
> -			clear_waits = 1;
> -			break;
> -		case 'd':
> -			debug = 1;
> -			break;
> -		case 'r':
> -			parse_data(optarg);
> -			exit(0);
> -			break;
> -		case 'p':
> -			devid = atoi(optarg);
> -			break;
> -		case 'f':
> -			force_clear  = 1;
> -			break;
> -		case '?':
> -		case 'h':
> -		default:
> -			exit(0);
> -		}
> -	}
> -
> -	pci_dev = intel_get_pci_device();
> -	if (devid == -1)
> -		devid = pci_dev->device_id;
> -	if (identify_device(devid)) {
> -		abort();
> -	}
> -
> -	assert(intel_register_access_init(pci_dev, 1) == 0);
> -
> -	memset(bits, -1, sizeof(bits));
> -	/*
> -	 * These events have to occur before the SR runs, or we need
> -	 * non-blocking versions of the functions.
> -	 */
> -	if (!clear_waits) {
> -		int dh_handle;
> -		drm_fd = drm_open_driver(DRIVER_INTEL);
> -		bufmgr = drm_intel_bufmgr_gem_init(drm_fd, 4096);
> -
> -		setup_hw_bits();
> -
> -		/* We are probably root, make files world friendly */
> -		umask(0);
> -		dh_handle = wait_for_scratch_bo();
> -		if (dh_handle == -1) {
> -			printf("No handle from mesa, please enter manually: ");
> -			if (fscanf(stdin, "%1d", &dh_handle) == 0)
> -				exit(1);
> -		}
> -		scratch_bo = intel_bo_gem_create_from_name(bufmgr, "scratch", dh_handle);
> -		if (scratch_bo == NULL) {
> -			fprintf(stderr, "Couldn't flink buffer\n");
> -			abort();
> -		}
> -		signal(SIGINT, db_shutdown);
> -		printf("Press Ctrl-C to stop\n");
> -	} else {
> -		int time = force_clear ? 0 : 20000;
> -		while (wait_for_attn(time, bits)) {
> -			clear_attn(bits[0]);
> -			memset(bits, -1, sizeof(bits));
> -		}
> -		die(0);
> -	}
> -
> -	scratch = map_debug_buffer();
> -	while (shutting_down == 0) {
> -		int num_events, i;
> -
> -		memset(bits, -1, sizeof(bits));
> -		num_events = wait_for_attn(-1, bits);
> -		if (num_events == 0)
> -			break;
> -
> -		for (i = 0; i < num_events; i++) {
> -			assert(bits[i] < 64 && bits[i] >= 0);
> -			if (collect_data(bits[i], scratch)) {
> -				bits[i] = -1;
> -				continue;
> -			}
> -			clear_attn(bits[i]);
> -		}
> -	}
> -
> -	die(0);
> -	return 0;
> -}
> diff --git a/debugger/system_routine/.gitignore b/debugger/system_routine/.gitignore
> deleted file mode 100644
> index d19500cf..00000000
> --- a/debugger/system_routine/.gitignore
> +++ /dev/null
> @@ -1,10 +0,0 @@
> -evict.h
> -eviction_macro
> -sr
> -sr.asm
> -sr.c
> -sr.cpp
> -tiny
> -tiny.asm
> -tiny.c
> -tiny.cpp
> diff --git a/debugger/system_routine/eviction_macro.c b/debugger/system_routine/eviction_macro.c
> deleted file mode 100644
> index 1da22332..00000000
> --- a/debugger/system_routine/eviction_macro.c
> +++ /dev/null
> @@ -1,48 +0,0 @@
> -/*
> - * Copyright © 2011 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> - *
> - * Authors:
> - *    Ben Widawsky <ben at bwidawsk.net>
> - *
> - */
> -
> -#include <stdio.h>
> -
> -#define START 0x100
> -#define END ((128 << 10) / 4)
> -
> -int main(int argc, char *argv[]) {
> -	int i;
> -	printf("#ifdef SANDYBRIDGE\n");
> -	printf("#define EVICT_CACHE \\\n");
> -	printf("\tmov (1) m0.5:ud g0.5:ud FLAGS; \\\n");
> -	for (i = START; i < END - 8; i+=0x8) {
> -		printf("\tmov (1) m0.2:ud 0x%04x:ud FLAGS; \\\n", i);
> -		printf("\tWRITE_SCRATCH4(m0); \\\n");
> -	}
> -
> -	printf("\tmov (1) m0.2:ud 0x%04x:ud FLAGS; \\\n", i);
> -	printf("\tWRITE_SCRATCH4(m0)\n");
> -	printf("#else\n");
> -	printf("#define EVICT_CACHE\n");
> -	printf("#endif\n");
> -}
> diff --git a/debugger/system_routine/pre_cpp.py b/debugger/system_routine/pre_cpp.py
> deleted file mode 100755
> index 584d2af0..00000000
> --- a/debugger/system_routine/pre_cpp.py
> +++ /dev/null
> @@ -1,126 +0,0 @@
> -#!/usr/bin/env python3
> -
> -# Copyright © 2011 Intel Corporation
> -#
> -# Permission is hereby granted, free of charge, to any person obtaining a copy
> -# of this software and associated documentation files (the "Software"), to deal
> -# in the Software without restriction, including without limitation the rights
> -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> -# copies of the Software, and to permit persons to whom the Software is
> -# furnished to do so, subject to the following conditions:
> -#
> -# The above copyright notice and this permission notice (including the next
> -# paragraph) shall be included in all copies or substantial portions of the
> -# Software.
> -#
> -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
> -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> -# SOFTWARE.
> -#
> -# Authors:
> -#    Ben Widawsky <ben at bwidawsk.net>
> -
> -#very limited C-like preprocessor
> -
> -#limitations:
> -# no macro substitutions
> -# no multiline definitions
> -# divide operator is //
> -
> -import sys,re
> -
> -# make sure both input file and stdout are handled as utf-8 text, regardless
> -# of current locale (eg. LANG=C which tells python to use ascii encoding)
> -sys.stdout = open(sys.__stdout__.fileno(), "a", encoding="utf-8")
> -file = open(sys.argv[1], "r", encoding="utf-8")
> -
> -lines = file.readlines()
> -len(lines)
> -out = dict()
> -defines = dict()
> -
> -count = 0
> -#create a dict for our output
> -for line in lines:
> -    out[count] = line
> -    count = count + 1
> -
> -#done is considered #define <name> <number>
> -def is_done(string):
> -    m = re.match("#define\s+(\w+?)\s+([a-fA-F0-9\-]+?)\s*$", string)
> -    return m
> -
> -#skip macros, the real cpp will handle it
> -def skip(string):
> -    #macro
> -    m = re.match("#define\s+\w+\(.+", string)
> -    return m != None
> -
> -#put contants which are done being evaluated into the dictionary
> -def easy_constants():
> -    ret = 0
> -    for lineno, string in out.items():
> -        if skip(string):
> -            continue
> -        m = is_done(string)
> -        if m != None:
> -            key = m.group(1)
> -            value = m.group(2)
> -            if not key in defines:
> -                    defines[key] = int(eval(value))
> -                    ret = 1
> -    return ret
> -
> -#replace names with dictionary values
> -def simple_replace():
> -    ret = 0
> -    for lineno, string in out.items():
> -        if skip(string):
> -            continue
> -        for key, value in defines.items():
> -            if is_done(string):
> -                continue
> -            s = re.subn(key, repr(value), string)
> -            if s[1] > 0:
> -                out[lineno] = s[0]
> -                ret = s[1]
> -    return ret
> -
> -#evaluate expressions to try to simplify them
> -def collapse_constants():
> -    ret = 0
> -    for lineno, string in out.items():
> -        if skip(string):
> -            continue
> -        if is_done(string):
> -            continue
> -        m = re.match("#define\s+(.+?)\s+(.+)$", string)
> -        if m != None:
> -            try:
> -                out[lineno] = "#define " + m.group(1) + " " + repr(eval(m.group(2)))
> -                ret = 1
> -            except NameError as ne:
> -                #this happens before a variable is resolved in simple_replace
> -                continue
> -            except SyntaxError:
> -                #this happens with something like #define foo bar, which the
> -                #regular cpp can handle
> -                continue
> -            except:
> -                raise KeyboardInterrupt
> -    return ret;
> -
> -while True:
> -    ret = 0
> -    ret += easy_constants()
> -    ret += simple_replace()
> -    ret += collapse_constants()
> -    if ret == 0:
> -        break;
> -
> -for lineno, string in out.items():
> -    print(string.rstrip())
> diff --git a/debugger/system_routine/sr.g4a b/debugger/system_routine/sr.g4a
> deleted file mode 100644
> index a70e7712..00000000
> --- a/debugger/system_routine/sr.g4a
> +++ /dev/null
> @@ -1,277 +0,0 @@
> -/*
> - * Copyright © 2011 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> - *
> - * Authors:
> - *    Ben Widawsky <ben at bwidawsk.net>
> - *
> - */
> -
> -#include "debug.h"
> -#include "evict.h"
> -
> -#define CR0_0_ME_STATE_CTRL (1 << 31)
> -#define CR0_0_BP_SUPPRESS (1 << 15)
> -#define CR0_0_SPF_EN (1 << 2)
> -#define CR0_0_ACC_DIS (1 << 1)
> -#define CR0_1_BES_CTRL (1 << 31)
> -#define CR0_1_HALT_CTRL (1 << 30)
> -#define CR0_1_SOFT_EXCEPTION_CTRL (1 << 29)
> -#define CR0_1_ILLGL_OP_STS (1 << 28)
> -#define CR0_1_STACK_OVRFLW_STS (1 << 27)
> -
> -#define CR0_0_ENTRY_UNMASK (CR0_0_SPF_EN | CR0_0_ACC_DIS)
> -// TODO: Need to fix this for non breakpoint case
> -#define CR0_1_ENTRY_UNMASK ~(CR0_1_BES_CTRL)
> -#define CR0_0_RETURN_MASK ~(CR0_0_ME_STATE_CTRL | CR0_0_SPF_EN | CR0_0_ACC_DIS)
> -
> -// TODO: not sure how to make this not hardcoded
> -#define PER_THREAD_SCRATCH_SIZE (1 << 20)
> -#define PER_THREAD_QWORDS (PER_THREAD_SCRATCH_SIZE >> 4)
> -
> -/* Should get this from brw_defines.h */
> -#define BRW_DATAPORT_OWORD_BLOCK_2_OWORDS     		2
> -#define BRW_DATAPORT_OWORD_BLOCK_4_OWORDS     		3
> -#define BRW_DATAPORT_OWORD_BLOCK_8_OWORDS     		4
> -#define GEN6_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE	8
> -#define BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ	0
> -
> -/* desc field, ie. dword3 6.3.66.2 and 2.11.2.1.4 */
> -#define SEND_MLEN_5		(5<<25)
> -#define SEND_MLEN_3		(3<<25)
> -#define SEND_MLEN_2		(2<<25)
> -#define SEND_MLEN_1		(1<<25)
> -#define SEND_RLEN_1		(1<<20)
> -#define SEND_RLEN_0		(0<<20)
> -#define SEND_HEADER_PRESENT	(1<<19)
> -#define SEND_WRITE_COMMIT	(1<<17)
> -#define SEND_TYPE_WRITE	(GEN6_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE<<13)
> -#define SEND_TYPE_READ	(BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ<<13)
> -#define SEND_BLOCK_SIZE1	(BRW_DATAPORT_OWORD_BLOCK_2_OWORDS<<8)
> -#define SEND_BLOCK_SIZE2	(BRW_DATAPORT_OWORD_BLOCK_4_OWORDS<<8)
> -#define SEND_BLOCK_SIZE4	(BRW_DATAPORT_OWORD_BLOCK_8_OWORDS<<8)
> -#define SEND_BINDING_TABLE	(255<<0)
> -// No write commit
> -#define WRITE_DESC1_XXX SEND_BINDING_TABLE | SEND_BLOCK_SIZE1 | SEND_TYPE_WRITE | SEND_HEADER_PRESENT | SEND_MLEN_2
> -#define WRITE_DESC1_WC SEND_BINDING_TABLE | SEND_BLOCK_SIZE1 | SEND_TYPE_WRITE | SEND_HEADER_PRESENT | SEND_MLEN_2 | SEND_WRITE_COMMIT
> -#define WRITE_DESC2 SEND_BINDING_TABLE | SEND_BLOCK_SIZE2 | SEND_TYPE_WRITE | SEND_HEADER_PRESENT | SEND_MLEN_3
> -#define WRITE_DESC4 SEND_BINDING_TABLE | SEND_BLOCK_SIZE4 | SEND_TYPE_WRITE | SEND_HEADER_PRESENT | SEND_MLEN_5
> -#define RECV_DESC1 SEND_BINDING_TABLE | SEND_BLOCK_SIZE1 | SEND_TYPE_READ | SEND_HEADER_PRESENT | SEND_MLEN_1 | SEND_RLEN_1
> -//#define SEND_DESC1 0x40902FF
> -#define SEND_DESC1_WC 0x40b02FF
> -
> -/* ex_desc field 6.3.66.2 */
> -#define SEND_DP_RENDER_CACHE	(5<<0)
> -#define SEND_EOT		(1<<5)
> -#define SEND_EX_DESC SEND_DP_RENDER_CACHE
> -
> -/**
> - * WRITE_SCRATCH1 - Write 2 owords.
> - * cdst.2 - offset
> - * cdst.5 - per thread scratch base, relative to gsba??
> - * cdst+1 - data to be written.
> - */
> -#define WRITE_SCRATCH1(cdst) \
> -	send (16) null cdst SEND_EX_DESC WRITE_DESC1_XXX FLAGS
> -#define WRITE_SCRATCH1_WC(cdst) \
> -	send (16) g1 cdst SEND_EX_DESC WRITE_DESC1_WC FLAGS
> -#define WRITE_SCRATCH2(cdst) \
> -	send (16) null cdst SEND_EX_DESC WRITE_DESC2 FLAGS
> -#define WRITE_SCRATCH4(cdst) \
> -	send (16) null cdst SEND_EX_DESC WRITE_DESC4 FLAGS
> -
> -/**
> - * READ_SCRATCH1 - Read 2 owords.
> - * cdst.2 - offset
> - * cdst.5 - per thread scratch base, relative to gsba??
> - * grf - register where read data is populated.
> - */
> -#define READ_SCRATCH1(grf, cdst) \
> -	send (16) grf:ud cdst SEND_EX_DESC RECV_DESC1 FLAGS
> -
> -/**
> - * SET_OFFSET - setup mrf for the given offset prior to a send instruction.
> - * mrf - message register to be used as the header.
> - * offset - offset.
> - *
> - * If a WRITE_SCRATCH follows, mrf+1 -> mrf+1+n should contain the data to be
> - * written.
> - */
> -#define SET_OFFSET(mrf, offset) \
> -	mov (1) mrf.5:ud g0.5:ud FLAGS; \
> -	mov (1) mrf.2:ud offset:ud FLAGS
> -
> -/**
> - * SAVE_CRF - save the control register
> - * clobbers: m0.2, m0.5
> - */
> -#define CR_OFFSET 0x40
> -#define SAVE_CRF \
> -	SET_OFFSET(m0, CR_OFFSET); \
> -	mov (8) m1:ud 0xdeadbeef:ud FLAGS; \
> -	mov (1) m1.0:ud cr0.0 FLAGS; \
> -	mov (1) m1.1:ud cr0.1 FLAGS; \
> -	mov (1) m1.2:ud cr0.2 FLAGS; \
> -	mov (1) m1.3:ud sr0:ud FLAGS; \
> -	WRITE_SCRATCH1(m0)
> -
> -/*
> - * clobbers: m0.2, m0.5
> - */
> -#define STORE_GRF(grf, offset) \
> -	SET_OFFSET(m0, offset); \
> -	mov (8) m1:ud grf:ud FLAGS; \
> -	WRITE_SCRATCH1(m0)
> -
> -/*
> - * clobbers: m0.2, m0.5
> - */
> -#define LOAD_GRF(grf, offset) \
> -	SET_OFFSET(m0, offset); \
> -	READ_SCRATCH1(grf, m0)
> -
> -/*
> - * clobbers: mrf.2 mrf.5
> - */
> -#define STORE_MRF(mrf, offset) \
> -	SET_OFFSET(mrf, offset); \
> -	WRITE_SCRATCH1(mrf)
> -
> -/*
> - * non-quirky semantics, unlike STORE_MRF
> - * clobbers: g1
> - */
> -#define LOAD_MRF(mrf, offset) \
> -	LOAD_GRF(g1, offset); \
> -	mov (8) mrf:ud g1:ud FLAGS
> -
> -#define SAVE_ALL_MRF \
> -	/* m1 is saved already */ \
> -	STORE_MRF(m1, 0x2); \
> -	STORE_MRF(m2, 0x4); \
> -	STORE_MRF(m3, 0x6); \
> -	STORE_MRF(m4, 0x8); \
> -	STORE_MRF(m5, 0xa); \
> -	STORE_MRF(m6, 0xc); \
> -	STORE_MRF(m7, 0xe); \
> -	STORE_MRF(m8, 0x10); \
> -	STORE_MRF(m9, 0x12); \
> -	STORE_MRF(m10, 0x14); \
> -	STORE_MRF(m11, 0x16); \
> -	STORE_MRF(m12, 0x18); \
> -	STORE_MRF(m13, 0x1a); \
> -	STORE_MRF(m14, 0x1c)
> -
> -#define RESTORE_ALL_MRF \
> -	LOAD_MRF(m15, 0x1c); \
> -	LOAD_MRF(m14, 0x1a); \
> -	LOAD_MRF(m13, 0x18); \
> -	LOAD_MRF(m12, 0x16); \
> -	LOAD_MRF(m11, 0x14); \
> -	LOAD_MRF(m10, 0x12); \
> -	LOAD_MRF(m9, 0x10); \
> -	LOAD_MRF(m8, 0xe); \
> -	LOAD_MRF(m7, 0xc); \
> -	LOAD_MRF(m6, 0xa); \
> -	LOAD_MRF(m5, 0x8); \
> -	LOAD_MRF(m4, 0x6); \
> -	LOAD_MRF(m3, 0x4); \
> -	LOAD_MRF(m2, 0x2); \
> -	LOAD_MRF(m1, 0x0)
> -
> -#ifndef SANDYBRIDGE
> -	#error Only SandyBridge is supported
> -#endif
> -
> -/* Default flags for an instruction */
> -#define FLAGS { ALIGN1, SWITCH, MASK_DISABLE, ACCWRCTRL}
> -
> -/*
> - * We can clobber m0, and g0.4, everything else must be saved.
> - */
> -Enter:
> -	nop;
> -
> -	or (1) cr0.0 cr0.0 CR0_0_ENTRY_UNMASK:ud FLAGS;
> -
> -	/*
> -	 * g0.5 has the per thread scratch space when running in FS or VS.
> -	 * If we don't have a valid g0.5, we can calculate a per thread scratch offset
> -	 * using the system registers. The problem is we do not have a good way to know
> -	 * the offset from GSBA. The system routine will have to be hardcoded or
> -	 * dynamically patched with the correct offset.
> -	 * TID is in sr0.0[2:0]
> -	 * EUID is in sr0.0[11:8]
> -	 */
> -
> -#ifdef GPGPU
> -	mov (1) g0.4:ud 0:ud				FLAGS;
> -#if 0
> -	/* This should work according to the docs, the add blows up */
> -	shr (1) g0.8:uw sr0.0:uw 5			FLAGS;
> -	add (1) g0.16:ub gr0.16:ub sr0.0:ub		FLAGS;
> -#else
> -	shr (1) g0.8:uw sr0.0:uw 5			FLAGS;
> -	mov (1) g0.9:uw sr0.0:uw			FLAGS;
> -	and (1) g0.9:uw g0.9:uw 0x7:uw			FLAGS;
> -	add (1) g0.8:uw g0.8:uw g0.9:uw			FLAGS;
> -	mov (1) g0.9:uw 0:uw				FLAGS;
> -	mul (1) g0.4:ud g0.4:ud PER_THREAD_QWORDS	FLAGS;
> -#endif
> -#endif
> -
> -	mov (8) m0:ud 0:ud FLAGS;
> -
> -	/* Saves must occur in order so as not to clobber the next register */
> -	STORE_MRF(m0, 0);
> -	STORE_GRF(g0, 0x20);
> -	STORE_GRF(g1, 0x22);
> -	SAVE_ALL_MRF;
> -
> -	mov (8) g1:ud STATE_EU_MSG:ud FLAGS;
> -	STORE_GRF(g1, STATE_QWORD);
> -
> -	mov (8) g1:ud DEBUG_PROTOCOL_VERSION:ud FLAGS;
> -	STORE_GRF(g1, COMMUNICATION_QWORD);
> -
> -	SAVE_CRF;
> -
> -	EVICT_CACHE;
> -	wait n1:ud;
> -	EVICT_CACHE;
> -
> -	/* Using this to try to keep coherency */
> -	LOAD_GRF(g1, CR_OFFSET);
> -	LOAD_GRF(g1, COMMUNICATION_QWORD);
> -	LOAD_GRF(g1, STATE_QWORD);
> -
> -	RESTORE_ALL_MRF;
> -	LOAD_GRF(g1, 0x22);
> -	LOAD_GRF(g0, 0x20);
> -
> -	/* Clear breakpoint status */
> -	and (1) cr0.1 cr0.1 CR0_1_ENTRY_UNMASK:ud FLAGS;
> -
> -	/* set breakpoint suppress this should be conditional on bes */
> -	or  (1) cr0.0 cr0.0 CR0_0_BP_SUPPRESS:ud FLAGS;
> -
> -	and (1) cr0.0 cr0.0 CR0_0_RETURN_MASK:ud FLAGS;
> -	nop;
> diff --git a/debugger/system_routine/test.g4a b/debugger/system_routine/test.g4a
> deleted file mode 100644
> index e4296e01..00000000
> --- a/debugger/system_routine/test.g4a
> +++ /dev/null
> @@ -1,64 +0,0 @@
> -/*
> - * Copyright © 2011 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> - *
> - * Authors:
> - *    Ben Widawsky <ben at bwidawsk.net>
> - *
> - */
> -
> -#include "debug.h"
> -
> -#define CR0_0_ME_STATE_CTRL (1 << 31)
> -#define CR0_0_BP_SUPPRESS (1 << 15)
> -#define CR0_0_SPF_EN (1 << 2)
> -#define CR0_0_ACC_DIS (1 << 1)
> -#define CR0_1_BES_CTRL (1 << 31)
> -#define CR0_1_HALT_CTRL (1 << 30)
> -#define CR0_1_SOFT_EXCEPTION_CTRL (1 << 29)
> -#define CR0_1_ILLGL_OP_STS (1 << 28)
> -#define CR0_1_STACK_OVRFLW_STS (1 << 27)
> -
> -#define CR0_0_ENTRY_UNMASK (CR0_0_SPF_EN | CR0_0_ACC_DIS)
> -// TODO: Need to fix this for non breakpoint case
> -#define CR0_1_ENTRY_UNMASK ~(CR0_1_BES_CTRL)
> -#define CR0_0_RETURN_MASK ~(CR0_0_ME_STATE_CTRL | CR0_0_SPF_EN | CR0_0_ACC_DIS)
> -
> -#ifndef SANDYBRIDGE
> -	#error Only SandyBridge is supported
> -#endif
> -
> -/* Default flags for an instruction */
> -#define FLAGS { ALIGN1, SWITCH, MASK_DISABLE, ACCWRCTRL}
> -
> -Enter:
> -	nop;
> -
> -	or (1) cr0.0 cr0.0 CR0_0_ENTRY_UNMASK:ud FLAGS;
> -
> -	/* Clear breakpoint status */
> -	and (1) cr0.1 cr0.1 CR0_1_ENTRY_UNMASK:ud FLAGS;
> -
> -	/* set breakpoint suppress this should be conditional on bes */
> -	or  (1) cr0.0 cr0.0 CR0_0_BP_SUPPRESS:ud FLAGS;
> -
> -	and (1) cr0.0 cr0.0 CR0_0_RETURN_MASK:ud FLAGS;
> -	nop;
> -- 
> 2.20.1
> 


More information about the igt-dev mailing list