1 // SPDX-License-Identifier: MIT
20 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
22  * container_of - cast a member of a structure out to the containing structure
29 	const typeof(((type *)0)->member)*__mptr = (ptr);    \
30 		     (type *)((char *)__mptr - offsetof(type, member)); })
39  * using the generic single-entry routines.
49 	list->next = list;  in INIT_LIST_HEAD()
50 	list->prev = list;  in INIT_LIST_HEAD()
63 	next->prev = new;  in __list_add()
64 	new->next = next;  in __list_add()
65 	new->prev = prev;  in __list_add()
66 	prev->next = new;  in __list_add()
74  * list_add_tail - add a new entry
76  * @head: list head to add it before
78  * Insert a new entry before the specified head.
81 static inline void list_add_tail(struct list_head *new, struct list_head *head)  in list_add_tail()  argument
83 	__list_add(new, head->prev, head);  in list_add_tail()
87  * list_entry - get the struct for this entry
96  * list_for_each_entry	-	iterate over list of given type
98  * @head:	the head for your list.
101 #define list_for_each_entry(pos, head, member)				\  argument
102 	for (pos = list_entry((head)->next, typeof(*pos), member);	\
103 	     &pos->member != (head); 	\
104 	     pos = list_entry(pos->member.next, typeof(*pos), member))
125 		INIT_LIST_HEAD(&offset->list);  in offset_new()
126 		offset->offset = o;  in offset_new()
131 static void table_offset_add(struct table *t, struct offset *offset)  in table_offset_add()  argument
133 	list_add_tail(&offset->list, &t->offsets);  in table_offset_add()
136 static void table_init(struct table *t)  in table_init()  argument
138 	INIT_LIST_HEAD(&t->offsets);  in table_init()
139 	t->offset_max = 0;  in table_init()
140 	t->nentry = 0;  in table_init()
141 	t->table = NULL;  in table_init()
144 static void table_print(struct table *t)  in table_print()  argument
148 	nlloop = (t->nentry + 3) / 4;  in table_print()
149 	c = t->nentry;  in table_print()
150 	printf("static const unsigned %s_reg_safe_bm[%d] = {\n", t->gpu_prefix,  in table_print()
151 	       t->nentry);  in table_print()
156 		c -= n;  in table_print()
159 				printf("\t");  in table_print()
162 			printf("0x%08X,", t->table[id++]);  in table_print()
169 static int table_build(struct table *t)  in table_build()  argument
174 	t->nentry = ((t->offset_max >> 2) + 31) / 32;  in table_build()
175 	t->table = (unsigned *)malloc(sizeof(unsigned) * t->nentry);  in table_build()
176 	if (t->table == NULL)  in table_build()
177 		return -1;  in table_build()
178 	memset(t->table, 0xff, sizeof(unsigned) * t->nentry);  in table_build()
179 	list_for_each_entry(offset, &t->offsets, list) {  in table_build()
180 		i = (offset->offset >> 2) / 32;  in table_build()
181 		m = (offset->offset >> 2) & 31;  in table_build()
183 		t->table[i] ^= m;  in table_build()
189 static int parser_auth(struct table *t, const char *filename)  in parser_auth()  argument
205 	    (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) {  in parser_auth()
207 		return -1;  in parser_auth()
212 		return -1;  in parser_auth()
221 		return -1;  in parser_auth()
227 	t->gpu_prefix = gpu_name;  in parser_auth()
233 			return -1;  in parser_auth()
246 				return -1;  in parser_auth()
253 				table_offset_add(t, offset);  in parser_auth()
254 				if (o > t->offset_max)  in parser_auth()
255 					t->offset_max = o;  in parser_auth()
260 	if (t->offset_max < last_reg)  in parser_auth()
261 		t->offset_max = last_reg;  in parser_auth()
262 	return table_build(t);  in parser_auth()
267 	struct table t;  in main()  local
273 	table_init(&t);  in main()
274 	if (parser_auth(&t, argv[1])) {  in main()
276 		return -1;  in main()
278 	table_print(&t);  in main()