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-rw-r--r--mdk-stage1/pcmcia/lex_config.l223
-rw-r--r--mdk-stage1/pcmcia/startup.c271
-rw-r--r--mdk-stage1/pcmcia/startup.h54
-rw-r--r--mdk-stage1/pcmcia/yacc_config.y133
4 files changed, 681 insertions, 0 deletions
diff --git a/mdk-stage1/pcmcia/lex_config.l b/mdk-stage1/pcmcia/lex_config.l
new file mode 100644
index 000000000..050d7479d
--- /dev/null
+++ b/mdk-stage1/pcmcia/lex_config.l
@@ -0,0 +1,223 @@
+/* Special state for handling include files */
+%x src
+
+%{
+/*
+ * Startup tool for non statically mapped PCMCIA sockets
+ *
+ * (C) 2005 Dominik Brodowski <linux@brodo.de>
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ *
+ * License: GPL v2
+ */
+
+#undef src
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <syslog.h>
+
+#ifdef HAS_WORDEXP
+#include <wordexp.h>
+#else
+#include <glob.h>
+#endif
+
+#define src 1
+
+#include "yacc_config.h"
+
+#define YY_NO_UNPUT 1 /* mdk-stage1 */
+extern int yyparse(void); /* mdk-stage1 */
+
+/* For assembling nice error messages */
+char *current_file;
+int current_lineno;
+
+static int lex_number(char *s);
+static int lex_string(char *s);
+static void do_source(char *fn);
+static int do_eof(void);
+
+%}
+
+int [0-9]+
+hex 0x[0-9a-fA-F]+
+str \"([^"]|\\.)*\"
+
+%%
+
+source[ \t]+ BEGIN(src); return SOURCE;
+<src>[^\n]+ do_source(yytext); BEGIN(INITIAL);
+<<EOF>> if (do_eof()) yyterminate();
+
+\n current_lineno++;
+[ \t]* /* skip */ ;
+[ ]*[#;].* /* skip */ ;
+
+exclude return EXCLUDE;
+include return INCLUDE;
+irq return IRQ_NO;
+port return PORT;
+memory return MEMORY;
+module /* skip */ ;
+
+{int} return lex_number(yytext);
+
+{hex} return lex_number(yytext);
+
+{str} return lex_string(yytext);
+
+. return yytext[0];
+
+%%
+
+#ifndef yywrap
+int yywrap() { return 1; }
+#endif
+
+/*======================================================================
+
+ Stuff to parse basic data types
+
+======================================================================*/
+
+static int lex_number(char *s)
+{
+ yylval.num = strtoul(s, NULL, 0);
+ return NUMBER;
+}
+
+static int lex_string(char *s)
+{
+ int n = strlen(s);
+ yylval.str = malloc(n-1);
+ strncpy(yylval.str, s+1, n-2);
+ yylval.str[n-2] = '\0';
+ return STRING;
+}
+
+/*======================================================================
+
+ Code to support nesting of configuration files
+
+======================================================================*/
+
+#define MAX_SOURCE_DEPTH 4
+struct source_stack {
+ YY_BUFFER_STATE buffer;
+ char *filename;
+ int lineno, fileno;
+ FILE *file;
+#ifdef HAS_WORDEXP
+ wordexp_t word;
+#else
+ glob_t glob;
+#endif
+} source_stack[MAX_SOURCE_DEPTH];
+static int source_stack_ptr = 0;
+static int parse_env = 0;
+
+static int get_glob(void)
+{
+ struct source_stack *s = &source_stack[source_stack_ptr];
+#ifdef HAS_WORDEXP
+ while (s->fileno < s->word.we_wordc) {
+ char *fn = s->word.we_wordv[s->fileno];
+#else
+ while (s->fileno < s->glob.gl_pathc) {
+ char *fn = s->glob.gl_pathv[s->fileno];
+#endif
+ s->file = fopen(fn, "r");
+ if (s->file == NULL) {
+ if (strpbrk(fn, "?*[") == NULL)
+ syslog(LOG_ERR, "could not open '%s': %m", fn);
+ s->fileno++;
+ } else {
+ current_lineno = 1;
+ current_file = strdup(fn);
+ yy_switch_to_buffer(yy_create_buffer(s->file, YY_BUF_SIZE));
+ source_stack_ptr++;
+ s->fileno++;
+ return 0;
+ }
+ }
+ return -1;
+}
+
+static void do_source(char *fn)
+{
+ struct source_stack *s = &source_stack[source_stack_ptr];
+
+ if (source_stack_ptr >= MAX_SOURCE_DEPTH) {
+ syslog(LOG_ERR, "source depth limit exceeded");
+ return;
+ }
+#ifdef HAS_WORDEXP
+ wordexp(fn, &s->word, 0);
+#else
+ glob(fn, GLOB_NOCHECK, NULL, &s->glob);
+#endif
+ s->fileno = 0;
+ s->buffer = YY_CURRENT_BUFFER;
+ s->lineno = current_lineno;
+ s->filename = current_file;
+ get_glob();
+}
+
+static int do_eof(void)
+{
+ struct source_stack *s = &source_stack[--source_stack_ptr];
+ if (source_stack_ptr < 0) {
+ if (parse_env == 0) {
+ char *t = getenv("PCMCIA_OPTS");
+ if (t == NULL) return -1;
+ parse_env = 1;
+ source_stack_ptr = 0;
+ current_file = "PCMCIA_OPTS";
+ current_lineno = 1;
+ yy_scan_string(t);
+ return 0;
+ } else
+ return -1;
+ }
+ fclose(s->file);
+ free(current_file);
+ yy_delete_buffer(YY_CURRENT_BUFFER);
+ if (get_glob() != 0) {
+ yy_switch_to_buffer(s->buffer);
+ current_lineno = s->lineno;
+ current_file = s->filename;
+ }
+ return 0;
+}
+
+/*======================================================================
+
+ The main entry point... returns -1 if the file can't be accessed.
+
+======================================================================*/
+
+int parse_configfile(char *fn)
+{
+ FILE *f;
+
+ f = fopen(fn, "r");
+ if (!f) {
+ syslog(LOG_ERR, "could not open '%s': %m", fn);
+ return -1;
+ }
+ current_lineno = 1;
+ current_file = fn;
+ source_stack_ptr = 0;
+ yyrestart(f);
+ yyparse();
+ fclose(f);
+ return 0;
+}
+
diff --git a/mdk-stage1/pcmcia/startup.c b/mdk-stage1/pcmcia/startup.c
new file mode 100644
index 000000000..e9004484a
--- /dev/null
+++ b/mdk-stage1/pcmcia/startup.c
@@ -0,0 +1,271 @@
+/*
+ * Startup tool for non statically mapped PCMCIA sockets
+ *
+ * (C) 2005 Dominik Brodowski <linux@brodo.de>
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ *
+ * License: GPL v2
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <syslog.h>
+#include <unistd.h>
+
+#include <sysfs/libsysfs.h>
+
+#include "startup.h"
+
+/* uncomment for debug output */
+#ifdef DEBUG
+#define dprintf printf
+#else
+#define dprintf(...) do { } while(0);
+#endif
+
+/* Linked list of resource adjustments */
+struct adjust_list_t *root_adjust = NULL;
+
+/* path for config file, device scripts */
+static char *configpath = "/etc/pcmcia";
+
+enum {
+ RESOURCE_MEM,
+ RESOURCE_IO,
+ MAX_RESOURCE_FILES
+};
+
+
+static const char *resource_files[MAX_RESOURCE_FILES] = {
+ [RESOURCE_MEM] = "available_resources_mem",
+ [RESOURCE_IO] = "available_resources_io",
+};
+
+#define PATH_TO_SOCKET "/sys/class/pcmcia_socket/"
+
+
+static int add_available_resource(unsigned int socket_no, unsigned int type,
+ unsigned int action,
+ unsigned long start, unsigned long end)
+{
+ char file[SYSFS_PATH_MAX];
+ char content[SYSFS_PATH_MAX];
+ struct sysfs_attribute *attr;
+ int ret;
+ size_t len;
+
+ if (type >= MAX_RESOURCE_FILES)
+ return -EINVAL;
+
+ if (end <= start)
+ return -EINVAL;
+
+ dprintf("%d %d %d 0x%lx 0x%lx\n", socket_no, type, action, start, end);
+
+ snprintf(file, SYSFS_PATH_MAX, PATH_TO_SOCKET "pcmcia_socket%u/%s",
+ socket_no, resource_files[type]);
+
+ switch(action) {
+ case ADD_MANAGED_RESOURCE:
+ len = snprintf(content, SYSFS_PATH_MAX,
+ "0x%08lx - 0x%08lx", start, end);
+ break;
+
+ case REMOVE_MANAGED_RESOURCE:
+ len = snprintf(content, SYSFS_PATH_MAX,
+ "- 0x%08lx - 0x%08lx", start, end);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ dprintf("content is %s\n", content);
+
+ dprintf("file is %s\n", file);
+
+ attr = sysfs_open_attribute(file);
+ if (!attr)
+ return -ENODEV;
+
+ dprintf("open, len %d\n", len);
+
+ ret = sysfs_write_attribute(attr, content, len);
+
+ dprintf("ret is %d\n", ret);
+
+ sysfs_close_attribute(attr);
+
+ return (ret);
+}
+
+static int setup_done(unsigned int socket_no)
+{
+ int ret;
+ char file[SYSFS_PATH_MAX];
+ struct sysfs_attribute *attr;
+
+ snprintf(file, SYSFS_PATH_MAX, PATH_TO_SOCKET
+ "pcmcia_socket%u/available_resources_setup_done",
+ socket_no);
+
+ attr = sysfs_open_attribute(file);
+ if (!attr)
+ return -ENODEV;
+
+ ret = sysfs_write_attribute(attr, "42", 2);
+
+ sysfs_close_attribute(attr);
+
+ return (ret);
+}
+
+
+static int disallow_irq(unsigned int socket_no, unsigned int irq)
+{
+ char file[SYSFS_PATH_MAX];
+ char content[SYSFS_PATH_MAX];
+ struct sysfs_attribute *attr;
+ unsigned int mask = 0xfff;
+ unsigned int new_mask;
+ int ret;
+ size_t len;
+
+ if (irq >= 32)
+ return -EINVAL;
+
+ len = snprintf(file, SYSFS_PATH_MAX, PATH_TO_SOCKET
+ "pcmcia_socket%u/card_irq_mask",
+ socket_no);
+ dprintf("file is %s\n", file);
+
+ attr = sysfs_open_attribute(file);
+ if (!attr)
+ return -ENODEV;
+
+ dprintf("open, len %d\n", len);
+
+ ret = sysfs_read_attribute(attr);
+ if (ret) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (!attr->value || (attr->len < 6)) {
+ ret = -EIO;
+ goto out;
+ }
+
+ ret = sscanf(attr->value, "0x%x\n", &mask);
+
+ new_mask = 1 << irq;
+
+ mask &= ~new_mask;
+
+ len = snprintf(content, SYSFS_PATH_MAX, "0x%04x", mask);
+
+ dprintf("content is %s\n", content);
+
+ ret = sysfs_write_attribute(attr, content, len);
+
+ out:
+ sysfs_close_attribute(attr);
+
+ return (ret);
+}
+
+
+static void load_config(void)
+{
+ if (chdir(configpath) != 0) {
+ syslog(LOG_ERR, "chdir to %s failed: %m", configpath);
+ exit(EXIT_FAILURE);
+ }
+ parse_configfile("config.opts");
+ return;
+}
+
+
+static void adjust_resources(unsigned int socket_no)
+{
+ adjust_list_t *al;
+
+ for (al = root_adjust; al; al = al->next) {
+ switch (al->adj.Resource) {
+ case RES_MEMORY_RANGE:
+ add_available_resource(socket_no, RESOURCE_MEM,
+ al->adj.Action,
+ al->adj.resource.memory.Base,
+ al->adj.resource.memory.Base +
+ al->adj.resource.memory.Size - 1);
+ break;
+ case RES_IO_RANGE:
+ add_available_resource(socket_no, RESOURCE_IO,
+ al->adj.Action,
+ al->adj.resource.io.BasePort,
+ al->adj.resource.io.BasePort +
+ al->adj.resource.io.NumPorts - 1);
+ break;
+ case RES_IRQ:
+ if(al->adj.Action == REMOVE_MANAGED_RESOURCE)
+ disallow_irq(socket_no, al->adj.resource.irq.IRQ);
+ break;
+ }
+ }
+}
+
+/* mdk-stage1
+int main(int argc, char *argv[])
+{
+ char *socket_no;
+ unsigned long socket, i;
+ unsigned int all_sockets = 0;
+
+
+ if ((socket_no = getenv("SOCKET_NO"))) {
+ socket = strtoul(socket_no, NULL, 0);
+ } else if (argc == 2) {
+ socket = strtoul(argv[1], NULL, 0);
+ } else if (argc == 1) {
+ socket = 0;
+ all_sockets = 1;
+ } else {
+ return -EINVAL;
+ }
+
+ load_config();
+
+ for (i = 0; i < MAX_SOCKS; i++) {
+ if ((socket != i) && (!all_sockets))
+ continue;
+
+ adjust_resources(i);
+ setup_done(i);
+ }
+
+ return 0;
+}
+*/
+
+void pcmcia_socket_startup(int socket_no) {
+ unsigned long i;
+ unsigned int all_sockets = 0;
+
+ if (socket_no == -1)
+ all_sockets = 1;
+
+ load_config();
+
+ for (i = 0; i < MAX_SOCKS; i++) {
+ if ((socket_no != i) && (!all_sockets))
+ continue;
+
+ adjust_resources(i);
+ setup_done(i);
+ }
+}
diff --git a/mdk-stage1/pcmcia/startup.h b/mdk-stage1/pcmcia/startup.h
new file mode 100644
index 000000000..ba6af2c15
--- /dev/null
+++ b/mdk-stage1/pcmcia/startup.h
@@ -0,0 +1,54 @@
+/*
+ * Startup tool for non statically mapped PCMCIA sockets
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ *
+ * License: GPL v2
+ *
+ */
+
+#define MAX_SOCKS 8
+#define MAX_BINDINGS 4
+#define MAX_MODULES 4
+
+/* for AdjustResourceInfo */
+typedef struct adjust_t {
+ unsigned int Action;
+ unsigned int Resource;
+ unsigned int Attributes;
+ union {
+ struct memory {
+ unsigned long Base;
+ unsigned long Size;
+ } memory;
+ struct io {
+ unsigned long BasePort;
+ unsigned long NumPorts;
+ unsigned int IOAddrLines;
+ } io;
+ struct irq {
+ unsigned int IRQ;
+ } irq;
+ } resource;
+} adjust_t;
+
+
+typedef struct adjust_list_t {
+ adjust_t adj;
+ struct adjust_list_t *next;
+} adjust_list_t;
+
+
+extern adjust_list_t *root_adjust;
+
+int parse_configfile(char *fn);
+
+
+#define RES_MEMORY_RANGE 1
+#define RES_IO_RANGE 2
+#define RES_IRQ 3
+#define RES_RESERVED 0x10
+#define REMOVE_MANAGED_RESOURCE 1
+#define ADD_MANAGED_RESOURCE 2
diff --git a/mdk-stage1/pcmcia/yacc_config.y b/mdk-stage1/pcmcia/yacc_config.y
new file mode 100644
index 000000000..be5ef98fe
--- /dev/null
+++ b/mdk-stage1/pcmcia/yacc_config.y
@@ -0,0 +1,133 @@
+%{
+/*
+ * Startup tool for non statically mapped PCMCIA sockets - config file parsing
+ *
+ * (C) 2005 Dominik Brodowski <linux@brodo.de>
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
+ *
+ * License: GPL v2
+ */
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <syslog.h>
+#include <sys/types.h>
+
+#include "startup.h"
+
+/* If bison: generate nicer error messages */
+#define YYERROR_VERBOSE 1
+
+/* from lex_config, for nice error messages */
+extern char *current_file;
+extern int current_lineno;
+
+extern int yylex(void); /* mdk-stage1 */
+
+void yyerror(char *msg, ...);
+
+%}
+
+%token DEVICE CARD ANONYMOUS TUPLE MANFID VERSION FUNCTION PCI
+%token BIND CIS TO NEEDS_MTD MODULE OPTS CLASS
+%token REGION JEDEC DTYPE DEFAULT MTD
+%token INCLUDE EXCLUDE RESERVE IRQ_NO PORT MEMORY
+%token STRING NUMBER SOURCE
+
+%union {
+ char *str;
+ u_long num;
+ struct adjust_list_t *adjust;
+}
+
+%type <str> STRING
+%type <num> NUMBER
+%type <adjust> adjust resource
+%%
+list: /* nothing */
+ | list adjust
+ {
+ adjust_list_t **tail = &root_adjust;
+ while (*tail != NULL) tail = &(*tail)->next;
+ *tail = $2;
+ }
+ ;
+
+adjust: INCLUDE resource
+ {
+ $2->adj.Action = ADD_MANAGED_RESOURCE;
+ $$ = $2;
+ }
+ | EXCLUDE resource
+ {
+ $2->adj.Action = REMOVE_MANAGED_RESOURCE;
+ $$ = $2;
+ }
+ | RESERVE resource
+ {
+ $2->adj.Action = ADD_MANAGED_RESOURCE;
+ $2->adj.Attributes |= RES_RESERVED;
+ $$ = $2;
+ }
+ | adjust ',' resource
+ {
+ $3->adj.Action = $1->adj.Action;
+ $3->adj.Attributes = $1->adj.Attributes;
+ $3->next = $1;
+ $$ = $3;
+ }
+ ;
+
+resource: IRQ_NO NUMBER
+ {
+ $$ = calloc(sizeof(adjust_list_t), 1);
+ $$->adj.Resource = RES_IRQ;
+ $$->adj.resource.irq.IRQ = $2;
+ }
+ | PORT NUMBER '-' NUMBER
+ {
+ if (($4 < $2) || ($4 > 0xffff)) {
+ yyerror("invalid port range 0x%x-0x%x", $2, $4);
+ YYERROR;
+ }
+ $$ = calloc(sizeof(adjust_list_t), 1);
+ $$->adj.Resource = RES_IO_RANGE;
+ $$->adj.resource.io.BasePort = $2;
+ $$->adj.resource.io.NumPorts = $4 - $2 + 1;
+ }
+ | MEMORY NUMBER '-' NUMBER
+ {
+ if ($4 < $2) {
+ yyerror("invalid address range 0x%x-0x%x", $2, $4);
+ YYERROR;
+ }
+ $$ = calloc(sizeof(adjust_list_t), 1);
+ $$->adj.Resource = RES_MEMORY_RANGE;
+ $$->adj.resource.memory.Base = $2;
+ $$->adj.resource.memory.Size = $4 - $2 + 1;
+ }
+ ;
+
+%%
+void yyerror(char *msg, ...)
+{
+ va_list ap;
+ char str[256];
+
+ va_start(ap, msg);
+ sprintf(str, "error in file '%s' line %d: ",
+ current_file, current_lineno);
+ vsprintf(str+strlen(str), msg, ap);
+#if YYDEBUG
+ fprintf(stderr, "%s\n", str);
+#else
+ syslog(LOG_ERR, "%s", str);
+#endif
+ va_end(ap);
+}
+
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-05 02:14:15 +0000