Adds a new i965 instruction disassemble tool
v2: 1) fix a few nits (Matt Turner)
2) Remove i965_disasm header (Matt Turner)
v3: 1) Redirect output to correct file descriptors (Matt Turner)
2) Refactor code (Matt Turner)
3) Use better formatting style (Matt Turner)
Signed-off-by: Sagar Ghuge
---
src/intel/Makefile.tools.am | 14 +++
src/intel/tools/i965_disasm.c | 182 ++
src/intel/tools/meson.build | 11 ++
3 files changed, 207 insertions(+)
create mode 100644 src/intel/tools/i965_disasm.c
diff --git a/src/intel/Makefile.tools.am b/src/intel/Makefile.tools.am
index 30c8d3b3f7..4809962b18 100644
--- a/src/intel/Makefile.tools.am
+++ b/src/intel/Makefile.tools.am
@@ -22,6 +22,7 @@
noinst_PROGRAMS += \
tools/aubinator \
tools/aubinator_error_decode \
+ tools/i965_disasm \
tools/error2aub
@@ -66,6 +67,19 @@ tools_aubinator_error_decode_CFLAGS = \
$(AM_CFLAGS) \
$(ZLIB_CFLAGS)
+tools_i965_disasm_SOURCES = \
+ tools/i965_disasm.c
+
+tools_i965_disasm_LDADD = \
+ common/libintel_common.la \
+ compiler/libintel_compiler.la \
+ dev/libintel_dev.la \
+ $(top_builddir)/src/util/libmesautil.la \
+ $(PTHREAD_LIBS)
+
+tools_i965_disasm_CFLAGS = \
+ $(AM_CFLAGS)
+
tools_error2aub_SOURCES = \
tools/gen_context.h \
diff --git a/src/intel/tools/i965_disasm.c b/src/intel/tools/i965_disasm.c
new file mode 100644
index 00..73a6760fc1
--- /dev/null
+++ b/src/intel/tools/i965_disasm.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright © 2018 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.
+ */
+
+#include
+#include
+#include
+#include
+
+#include "compiler/brw_eu.h"
+#include "dev/gen_device_info.h"
+
+uint64_t INTEL_DEBUG;
+
+/* Return size of file in bytes pointed by fp */
+static size_t
+i965_disasm_get_file_size(FILE *fp)
+{
+ size_t size;
+
+ fseek(fp, 0L, SEEK_END);
+ size = ftell(fp);
+ fseek(fp, 0L, SEEK_SET);
+
+ return size;
+}
+
+static void *
+i965_disasm_read_binary(FILE *fp, size_t *end)
+{
+ void *assembly;
+
+ *end = i965_disasm_get_file_size(fp);
+
+ assembly = malloc(*end + 1);
+ if (assembly == NULL)
+ return NULL;
+
+ fread(assembly, *end, 1, fp);
+ fclose(fp);
+
+ return assembly;
+}
+
+static struct gen_device_info *
+i965_disasm_init(uint16_t pci_id)
+{
+ struct gen_device_info *devinfo;
+
+ devinfo = malloc(sizeof *devinfo);
+ if (devinfo == NULL)
+ return NULL;
+
+ if (!gen_get_device_info(pci_id, devinfo)) {
+ fprintf(stderr, "can't find device information: pci_id=0x%x\n",
+ pci_id);
+ exit(EXIT_FAILURE);
+ }
+
+ /* initialize compaction table in order to handle compacted instructions */
+ brw_init_compaction_tables(devinfo);
+
+ return devinfo;
+}
+
+static void
+print_help(const char *progname, FILE *file)
+{
+ fprintf(file,
+ "Usage: %s [OPTION]...\n"
+ "Disassemble i965 instructions from binary file.\n\n"
+ " --help display this help and exit\n"
+ " --binary-path=PATH read binary file from binary file PATH\n"
+ " --gen=platform disassemble instructions for given \n"
+ " platform (3 letter platform name)\n",
+ progname);
+}
+
+int main(int argc, char *argv[])
+{
+ FILE *fp = NULL;
+ void *assembly = NULL;
+ char *binary_path = NULL;
+ size_t start = 0, end = 0;
+ uint16_t pci_id = 0;
+ int c, i;
+ struct gen_device_info *devinfo;
+
+ bool help = false;
+ const struct option i965_disasm_opts[] = {
+ { "help", no_argument, (int *) , true },
+ { "binary-path", required_argument, NULL, 'b' },
+ { "gen", required_argument, NULL, 'g'},
+ { NULL,0,
