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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 09:59:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 09:59:14 +0000 |
commit | 01bb4a6c21c225e55a84ac606a3b213909023ba0 (patch) | |
tree | b5875af84ac1bd4015afede1015bb1761e5e85b3 /radeon/bof.c | |
parent | Initial commit. (diff) | |
download | libdrm-01bb4a6c21c225e55a84ac606a3b213909023ba0.tar.xz libdrm-01bb4a6c21c225e55a84ac606a3b213909023ba0.zip |
Adding upstream version 2.4.120.upstream/2.4.120
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | radeon/bof.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/radeon/bof.c b/radeon/bof.c new file mode 100644 index 0000000..0598cc6 --- /dev/null +++ b/radeon/bof.c @@ -0,0 +1,477 @@ +/* + * Copyright 2010 Jerome Glisse <glisse@freedesktop.org> + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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: + * Jerome Glisse + */ +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include "bof.h" + +/* + * helpers + */ +static int bof_entry_grow(bof_t *bof) +{ + bof_t **array; + + if (bof->array_size < bof->nentry) + return 0; + array = realloc(bof->array, (bof->nentry + 16) * sizeof(void*)); + if (array == NULL) + return -ENOMEM; + bof->array = array; + bof->nentry += 16; + return 0; +} + +/* + * object + */ +bof_t *bof_object(void) +{ + bof_t *object; + + object = calloc(1, sizeof(bof_t)); + if (object == NULL) + return NULL; + object->refcount = 1; + object->type = BOF_TYPE_OBJECT; + object->size = 12; + return object; +} + +bof_t *bof_object_get(bof_t *object, const char *keyname) +{ + unsigned i; + + for (i = 0; i < object->array_size; i += 2) { + if (!strcmp(object->array[i]->value, keyname)) { + return object->array[i + 1]; + } + } + return NULL; +} + +int bof_object_set(bof_t *object, const char *keyname, bof_t *value) +{ + bof_t *key; + int r; + + if (object->type != BOF_TYPE_OBJECT) + return -EINVAL; + r = bof_entry_grow(object); + if (r) + return r; + key = bof_string(keyname); + if (key == NULL) + return -ENOMEM; + object->array[object->array_size++] = key; + object->array[object->array_size++] = value; + object->size += value->size; + object->size += key->size; + bof_incref(value); + return 0; +} + +/* + * array + */ +bof_t *bof_array(void) +{ + bof_t *array = bof_object(); + + if (array == NULL) + return NULL; + array->type = BOF_TYPE_ARRAY; + array->size = 12; + return array; +} + +int bof_array_append(bof_t *array, bof_t *value) +{ + int r; + if (array->type != BOF_TYPE_ARRAY) + return -EINVAL; + r = bof_entry_grow(array); + if (r) + return r; + array->array[array->array_size++] = value; + array->size += value->size; + bof_incref(value); + return 0; +} + +bof_t *bof_array_get(bof_t *bof, unsigned i) +{ + if (!bof_is_array(bof) || i >= bof->array_size) + return NULL; + return bof->array[i]; +} + +unsigned bof_array_size(bof_t *bof) +{ + if (!bof_is_array(bof)) + return 0; + return bof->array_size; +} + +/* + * blob + */ +bof_t *bof_blob(unsigned size, void *value) +{ + bof_t *blob = bof_object(); + + if (blob == NULL) + return NULL; + blob->type = BOF_TYPE_BLOB; + blob->value = calloc(1, size); + if (blob->value == NULL) { + bof_decref(blob); + return NULL; + } + blob->size = size; + memcpy(blob->value, value, size); + blob->size += 12; + return blob; +} + +unsigned bof_blob_size(bof_t *bof) +{ + if (!bof_is_blob(bof)) + return 0; + return bof->size - 12; +} + +void *bof_blob_value(bof_t *bof) +{ + if (!bof_is_blob(bof)) + return NULL; + return bof->value; +} + +/* + * string + */ +bof_t *bof_string(const char *value) +{ + bof_t *string = bof_object(); + + if (string == NULL) + return NULL; + string->type = BOF_TYPE_STRING; + string->size = strlen(value) + 1; + string->value = calloc(1, string->size); + if (string->value == NULL) { + bof_decref(string); + return NULL; + } + strcpy(string->value, value); + string->size += 12; + return string; +} + +/* + * int32 + */ +bof_t *bof_int32(int32_t value) +{ + bof_t *int32 = bof_object(); + + if (int32 == NULL) + return NULL; + int32->type = BOF_TYPE_INT32; + int32->size = 4; + int32->value = calloc(1, int32->size); + if (int32->value == NULL) { + bof_decref(int32); + return NULL; + } + memcpy(int32->value, &value, 4); + int32->size += 12; + return int32; +} + +int32_t bof_int32_value(bof_t *bof) +{ + return *((uint32_t*)bof->value); +} + +/* + * common + */ +static void bof_indent(int level) +{ + int i; + + for (i = 0; i < level; i++) + fprintf(stderr, " "); +} + +static void bof_print_bof(bof_t *bof, int level, int entry) +{ + bof_indent(level); + if (bof == NULL) { + fprintf(stderr, "--NULL-- for entry %d\n", entry); + return; + } + switch (bof->type) { + case BOF_TYPE_STRING: + fprintf(stderr, "%p string [%s %d]\n", bof, (char*)bof->value, bof->size); + break; + case BOF_TYPE_INT32: + fprintf(stderr, "%p int32 [%d %d]\n", bof, *(int*)bof->value, bof->size); + break; + case BOF_TYPE_BLOB: + fprintf(stderr, "%p blob [%d]\n", bof, bof->size); + break; + case BOF_TYPE_NULL: + fprintf(stderr, "%p null [%d]\n", bof, bof->size); + break; + case BOF_TYPE_OBJECT: + fprintf(stderr, "%p object [%d %d]\n", bof, bof->array_size / 2, bof->size); + break; + case BOF_TYPE_ARRAY: + fprintf(stderr, "%p array [%d %d]\n", bof, bof->array_size, bof->size); + break; + default: + fprintf(stderr, "%p unknown [%d]\n", bof, bof->type); + return; + } +} + +static void bof_print_rec(bof_t *bof, int level, int entry) +{ + unsigned i; + + bof_print_bof(bof, level, entry); + for (i = 0; i < bof->array_size; i++) { + bof_print_rec(bof->array[i], level + 2, i); + } +} + +void bof_print(bof_t *bof) +{ + bof_print_rec(bof, 0, 0); +} + +static int bof_read(bof_t *root, FILE *file, long end, int level) +{ + bof_t *bof = NULL; + int r; + + if (ftell(file) >= end) { + return 0; + } + r = bof_entry_grow(root); + if (r) + return r; + bof = bof_object(); + if (bof == NULL) + return -ENOMEM; + bof->offset = ftell(file); + r = fread(&bof->type, 4, 1, file); + if (r != 1) + goto out_err; + r = fread(&bof->size, 4, 1, file); + if (r != 1) + goto out_err; + r = fread(&bof->array_size, 4, 1, file); + if (r != 1) + goto out_err; + switch (bof->type) { + case BOF_TYPE_STRING: + case BOF_TYPE_INT32: + case BOF_TYPE_BLOB: + bof->value = calloc(1, bof->size - 12); + if (bof->value == NULL) { + goto out_err; + } + r = fread(bof->value, bof->size - 12, 1, file); + if (r != 1) { + fprintf(stderr, "error reading %d\n", bof->size - 12); + goto out_err; + } + break; + case BOF_TYPE_NULL: + return 0; + case BOF_TYPE_OBJECT: + case BOF_TYPE_ARRAY: + r = bof_read(bof, file, bof->offset + bof->size, level + 2); + if (r) + goto out_err; + break; + default: + fprintf(stderr, "invalid type %d\n", bof->type); + goto out_err; + } + root->array[root->centry++] = bof; + return bof_read(root, file, end, level); +out_err: + bof_decref(bof); + return -EINVAL; +} + +bof_t *bof_load_file(const char *filename) +{ + bof_t *root = bof_object(); + int r; + + if (root == NULL) { + fprintf(stderr, "%s failed to create root object\n", __func__); + return NULL; + } + root->file = fopen(filename, "r"); + if (root->file == NULL) + goto out_err; + r = fseek(root->file, 0L, SEEK_SET); + if (r) { + fprintf(stderr, "%s failed to seek into file %s\n", __func__, filename); + goto out_err; + } + root->offset = ftell(root->file); + r = fread(&root->type, 4, 1, root->file); + if (r != 1) + goto out_err; + r = fread(&root->size, 4, 1, root->file); + if (r != 1) + goto out_err; + r = fread(&root->array_size, 4, 1, root->file); + if (r != 1) + goto out_err; + r = bof_read(root, root->file, root->offset + root->size, 2); + if (r) + goto out_err; + return root; +out_err: + bof_decref(root); + return NULL; +} + +void bof_incref(bof_t *bof) +{ + bof->refcount++; +} + +void bof_decref(bof_t *bof) +{ + unsigned i; + + if (bof == NULL) + return; + if (--bof->refcount > 0) + return; + for (i = 0; i < bof->array_size; i++) { + bof_decref(bof->array[i]); + bof->array[i] = NULL; + } + bof->array_size = 0; + if (bof->file) { + fclose(bof->file); + bof->file = NULL; + } + free(bof->array); + free(bof->value); + free(bof); +} + +static int bof_file_write(bof_t *bof, FILE *file) +{ + unsigned i; + int r; + + r = fwrite(&bof->type, 4, 1, file); + if (r != 1) + return -EINVAL; + r = fwrite(&bof->size, 4, 1, file); + if (r != 1) + return -EINVAL; + r = fwrite(&bof->array_size, 4, 1, file); + if (r != 1) + return -EINVAL; + switch (bof->type) { + case BOF_TYPE_NULL: + if (bof->size) + return -EINVAL; + break; + case BOF_TYPE_STRING: + case BOF_TYPE_INT32: + case BOF_TYPE_BLOB: + r = fwrite(bof->value, bof->size - 12, 1, file); + if (r != 1) + return -EINVAL; + break; + case BOF_TYPE_OBJECT: + case BOF_TYPE_ARRAY: + for (i = 0; i < bof->array_size; i++) { + r = bof_file_write(bof->array[i], file); + if (r) + return r; + } + break; + default: + return -EINVAL; + } + return 0; +} + +int bof_dump_file(bof_t *bof, const char *filename) +{ + unsigned i; + int r = 0; + + if (bof->file) { + fclose(bof->file); + bof->file = NULL; + } + bof->file = fopen(filename, "w"); + if (bof->file == NULL) { + fprintf(stderr, "%s failed to open file %s\n", __func__, filename); + r = -EINVAL; + goto out_err; + } + r = fseek(bof->file, 0L, SEEK_SET); + if (r) { + fprintf(stderr, "%s failed to seek into file %s\n", __func__, filename); + goto out_err; + } + r = fwrite(&bof->type, 4, 1, bof->file); + if (r != 1) + goto out_err; + r = fwrite(&bof->size, 4, 1, bof->file); + if (r != 1) + goto out_err; + r = fwrite(&bof->array_size, 4, 1, bof->file); + if (r != 1) + goto out_err; + for (i = 0; i < bof->array_size; i++) { + r = bof_file_write(bof->array[i], bof->file); + if (r) + return r; + } +out_err: + fclose(bof->file); + bof->file = NULL; + return r; +} |