nouveau: mme: Add a dumper

Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27126>

src/nouveau/mme/meson.build

@@ -81,3 +81,11 @@ if with_tests and not with_platform_android
     install : true,
   )
 endif
+
+executable(
+  'nv_mme_dump',
+  'nv_mme_dump.c',
+  dependencies : [ idep_mesautil, idep_nouveau_mme ],
+  build_by_default : with_tools.contains('nouveau'),
+  install : with_tools.contains('nouveau'),
+)

src/nouveau/mme/nv_mme_dump.c

@@ -0,0 +1,70 @@
+/*
+ * Copyright © 2023 Collabora Ltd. and Red Hat Inc.
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mme_fermi.h"
+#include "mme_tu104.h"
+
+
+int main(int argc, char **argv) {
+  const char *arch_name;
+  const char *file_name;
+  FILE *file;
+  long file_size;
+  uint32_t *data;
+
+  if (argc != 3) {
+    fprintf(stderr, "Usage: nv_mme_dump file.bin "
+                    "<FERMI|TURING>\n");
+    return 1;
+  }
+
+  file_name = argv[1];
+  arch_name = argv[2];
+
+  file = fopen(file_name, "r");
+
+  if (file == NULL) {
+    fprintf(stderr, "couldn't open file \"%s\"\n", file_name);
+    return 1;
+  }
+
+  fseek(file, 0L, SEEK_END);
+  file_size = ftell(file);
+  fseek(file, 0L, SEEK_SET);
+
+  if (file_size % 4 != 0) {
+    fclose(file);
+
+    fprintf(stderr, "invalid file, data isn't aligned to 4 bytes\n");
+    return 1;
+  }
+
+  data = malloc(file_size);
+
+  if (data == NULL) {
+    fclose(file);
+
+    fprintf(stderr, "memory allocation failed\n");
+    return 1;
+  }
+
+  fread(data, file_size, 1, file);
+  fclose(file);
+
+   if (!strcmp(arch_name, "FERMI")) {
+      mme_fermi_dump(stdout, data, file_size);
+   } else {
+      mme_tu104_dump(stdout, data, file_size);
+   }
+
+   free(data);
+
+  return 0;
+}