Revert r326792, r326784, r326772, r326712
Something subtle is creating problems for disk access on ubldr. Back it out unti that can be sorted out. Sponsored by: Netflix
This commit is contained in:
parent
f74deabac8
commit
ba25195ebf
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=326812
@ -45,7 +45,7 @@ extern char command_errbuf[COMMAND_ERRBUFSZ];
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#define CMD_FATAL 4
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#define CMD_FATAL 4
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/* interp.c */
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/* interp.c */
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void interact(void);
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void interact(const char *rc);
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int include(const char *filename);
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int include(const char *filename);
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/* interp_backslash.c */
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/* interp_backslash.c */
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@ -54,6 +54,10 @@ char *backslash(const char *str);
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/* interp_parse.c */
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/* interp_parse.c */
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int parse(int *argc, char ***argv, const char *str);
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int parse(int *argc, char ***argv, const char *str);
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/* interp_forth.c */
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void bf_init(const char *rc);
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int bf_run(char *line);
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/* boot.c */
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/* boot.c */
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int autoboot(int timeout, char *prompt);
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int autoboot(int timeout, char *prompt);
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void autoboot_maybe(void);
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void autoboot_maybe(void);
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@ -1,6 +1,5 @@
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/*-
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/*-
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* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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* Copyright (c) 2011 Wojciech A. Koszek <wkoszek@FreeBSD.org>
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* All rights reserved.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* Redistribution and use in source and binary forms, with or without
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@ -24,6 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* SUCH DAMAGE.
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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__FBSDID("$FreeBSD$");
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@ -36,60 +36,112 @@ __FBSDID("$FreeBSD$");
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#include <stand.h>
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#include <stand.h>
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#include <string.h>
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#include <string.h>
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#include "bootstrap.h"
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#include "bootstrap.h"
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#include "interp.h"
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#ifdef BOOT_FORTH
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#include "ficl.h"
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#define RETURN(x) stackPushINT(bf_vm->pStack,!x); return(x)
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extern FICL_VM *bf_vm;
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#else
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#define RETURN(x) return(x)
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#endif
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#define MAXARGS 20 /* maximum number of arguments allowed */
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#define MAXARGS 20 /* maximum number of arguments allowed */
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struct interp *interp =
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static void prompt(void);
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#if defined(BOOT_FORTH)
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&boot_interp_forth;
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#else
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&boot_interp_simple;
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#endif
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#ifndef BOOT_FORTH
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static int perform(int argc, char *argv[]);
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/*
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* Perform the command
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*/
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int
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int
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default_load_config(void *ctx)
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perform(int argc, char *argv[])
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{
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{
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return INTERP_INCL(interp, "/boot/loader.rc");
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int result;
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struct bootblk_command **cmdp;
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bootblk_cmd_t *cmd;
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if (argc < 1)
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return(CMD_OK);
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/* set return defaults; a successful command will override these */
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command_errmsg = command_errbuf;
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strcpy(command_errbuf, "no error message");
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cmd = NULL;
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result = CMD_ERROR;
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/* search the command set for the command */
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SET_FOREACH(cmdp, Xcommand_set) {
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if (((*cmdp)->c_name != NULL) && !strcmp(argv[0], (*cmdp)->c_name))
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cmd = (*cmdp)->c_fn;
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}
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if (cmd != NULL) {
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result = (cmd)(argc, argv);
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} else {
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command_errmsg = "unknown command";
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}
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RETURN(result);
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}
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}
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#endif /* ! BOOT_FORTH */
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/*
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/*
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* Interactive mode
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* Interactive mode
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*/
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*/
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void
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void
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interact(void)
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interact(const char *rc)
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{
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{
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static char input[256]; /* big enough? */
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static char input[256]; /* big enough? */
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#ifndef BOOT_FORTH
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int argc;
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char **argv;
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#endif
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INTERP_INIT(interp);
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#ifdef BOOT_FORTH
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bf_init((rc) ? "" : NULL);
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#endif
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/*
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if (rc == NULL) {
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* Read our default configuration
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/* Read our default configuration. */
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*/
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include("/boot/loader.rc");
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INTERP_LOAD_DEF_CONFIG(interp);
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} else if (*rc != '\0')
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printf("\n");
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include(rc);
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/*
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* Before interacting, we might want to autoboot.
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*/
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autoboot_maybe();
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/*
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printf("\n");
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* Not autobooting, go manual
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*/
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printf("\nType '?' for a list of commands, 'help' for more detailed help.\n");
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if (getenv("prompt") == NULL)
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setenv("prompt", "${interpret}", 1);
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if (getenv("interpret") == NULL)
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setenv("interpret", "OK", 1);
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/*
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* Before interacting, we might want to autoboot.
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*/
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autoboot_maybe();
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/*
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* Not autobooting, go manual
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*/
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printf("\nType '?' for a list of commands, 'help' for more detailed help.\n");
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if (getenv("prompt") == NULL)
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setenv("prompt", "${interpret}", 1);
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if (getenv("interpret") == NULL)
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setenv("interpret", "OK", 1);
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for (;;) {
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for (;;) {
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input[0] = '\0';
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input[0] = '\0';
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prompt();
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prompt();
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ngets(input, sizeof(input));
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ngets(input, sizeof(input));
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INTERP_RUN(interp, input);
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#ifdef BOOT_FORTH
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bf_vm->sourceID.i = 0;
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bf_run(input);
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#else
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if (!parse(&argc, &argv, input)) {
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if (perform(argc, argv))
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printf("%s: %s\n", argv[0], command_errmsg);
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free(argv);
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} else {
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printf("parse error\n");
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}
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}
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#endif
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}
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}
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}
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/*
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/*
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@ -106,90 +158,214 @@ COMMAND_SET(include, "include", "read commands from a file", command_include);
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static int
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static int
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command_include(int argc, char *argv[])
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command_include(int argc, char *argv[])
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{
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{
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int i;
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int i;
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int res;
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int res;
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char **argvbuf;
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char **argvbuf;
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/*
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/*
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* Since argv is static, we need to save it here.
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* Since argv is static, we need to save it here.
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*/
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*/
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argvbuf = (char**) calloc((u_int)argc, sizeof(char*));
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argvbuf = (char**) calloc((u_int)argc, sizeof(char*));
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for (i = 0; i < argc; i++)
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for (i = 0; i < argc; i++)
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argvbuf[i] = strdup(argv[i]);
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argvbuf[i] = strdup(argv[i]);
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res=CMD_OK;
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res=CMD_OK;
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for (i = 1; (i < argc) && (res == CMD_OK); i++)
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for (i = 1; (i < argc) && (res == CMD_OK); i++)
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res = INTERP_INCL(interp, argvbuf[i]);
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res = include(argvbuf[i]);
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for (i = 0; i < argc; i++)
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for (i = 0; i < argc; i++)
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free(argvbuf[i]);
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free(argvbuf[i]);
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free(argvbuf);
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free(argvbuf);
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if (res != CMD_OK)
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return(res);
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printf("%s", command_errbuf);
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return(res);
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}
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}
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/*
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/*
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* Perform the command
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* Header prepended to each line. The text immediately follows the header.
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* We try to make this short in order to save memory -- the loader has
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* limited memory available, and some of the forth files are very long.
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*/
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*/
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int
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struct includeline
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perform(int argc, char *argv[])
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{
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{
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int result;
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struct includeline *next;
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struct bootblk_command **cmdp;
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#ifndef BOOT_FORTH
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bootblk_cmd_t *cmd;
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int flags;
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int line;
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#define SL_QUIET (1<<0)
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#define SL_IGNOREERR (1<<1)
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#endif
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char text[0];
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};
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if (argc < 1)
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int
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return(CMD_OK);
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include(const char *filename)
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{
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struct includeline *script, *se, *sp;
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char input[256]; /* big enough? */
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#ifdef BOOT_FORTH
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int res;
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char *cp;
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int prevsrcid, fd, line;
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#else
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int argc,res;
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char **argv, *cp;
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int fd, flags, line;
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#endif
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/* set return defaults; a successful command will override these */
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if (((fd = open(filename, O_RDONLY)) == -1)) {
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command_errmsg = command_errbuf;
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snprintf(command_errbuf, sizeof(command_errbuf),
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strcpy(command_errbuf, "no error message");
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"can't open '%s': %s", filename, strerror(errno));
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cmd = NULL;
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return(CMD_ERROR);
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result = CMD_ERROR;
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}
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/* search the command set for the command */
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/*
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SET_FOREACH(cmdp, Xcommand_set) {
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* Read the script into memory.
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if (((*cmdp)->c_name != NULL) && !strcmp(argv[0], (*cmdp)->c_name))
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*/
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cmd = (*cmdp)->c_fn;
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script = se = NULL;
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line = 0;
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while (fgetstr(input, sizeof(input), fd) >= 0) {
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line++;
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#ifdef BOOT_FORTH
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cp = input;
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#else
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flags = 0;
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/* Discard comments */
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if (strncmp(input+strspn(input, " "), "\\ ", 2) == 0)
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continue;
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cp = input;
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/* Echo? */
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if (input[0] == '@') {
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cp++;
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flags |= SL_QUIET;
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}
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}
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if (cmd != NULL) {
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/* Error OK? */
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result = (cmd)(argc, argv);
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if (input[0] == '-') {
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cp++;
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flags |= SL_IGNOREERR;
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}
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#endif
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/* Allocate script line structure and copy line, flags */
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if (*cp == '\0')
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continue; /* ignore empty line, save memory */
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sp = malloc(sizeof(struct includeline) + strlen(cp) + 1);
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/* On malloc failure (it happens!), free as much as possible and exit */
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if (sp == NULL) {
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while (script != NULL) {
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se = script;
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script = script->next;
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free(se);
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}
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snprintf(command_errbuf, sizeof(command_errbuf),
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"file '%s' line %d: memory allocation failure - aborting",
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filename, line);
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return (CMD_ERROR);
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}
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strcpy(sp->text, cp);
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#ifndef BOOT_FORTH
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sp->flags = flags;
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sp->line = line;
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#endif
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sp->next = NULL;
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if (script == NULL) {
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script = sp;
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} else {
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} else {
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command_errmsg = "unknown command";
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se->next = sp;
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}
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}
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return result;
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se = sp;
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}
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close(fd);
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/*
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* Execute the script
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*/
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#ifndef BOOT_FORTH
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argv = NULL;
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#else
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prevsrcid = bf_vm->sourceID.i;
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bf_vm->sourceID.i = fd;
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#endif
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res = CMD_OK;
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for (sp = script; sp != NULL; sp = sp->next) {
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#ifdef BOOT_FORTH
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res = bf_run(sp->text);
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if (res != VM_OUTOFTEXT) {
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snprintf(command_errbuf, sizeof(command_errbuf),
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"Error while including %s, in the line:\n%s",
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filename, sp->text);
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res = CMD_ERROR;
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break;
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} else
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res = CMD_OK;
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#else
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/* print if not being quiet */
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if (!(sp->flags & SL_QUIET)) {
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prompt();
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printf("%s\n", sp->text);
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}
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/* Parse the command */
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if (!parse(&argc, &argv, sp->text)) {
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if ((argc > 0) && (perform(argc, argv) != 0)) {
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/* normal command */
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printf("%s: %s\n", argv[0], command_errmsg);
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if (!(sp->flags & SL_IGNOREERR)) {
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res=CMD_ERROR;
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break;
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}
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}
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free(argv);
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argv = NULL;
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} else {
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printf("%s line %d: parse error\n", filename, sp->line);
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res=CMD_ERROR;
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|
break;
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}
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|
#endif
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}
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|
#ifndef BOOT_FORTH
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|
if (argv != NULL)
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free(argv);
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#else
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bf_vm->sourceID.i = prevsrcid;
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#endif
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while(script != NULL) {
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se = script;
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script = script->next;
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free(se);
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}
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return(res);
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}
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}
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/*
|
/*
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||||||
* Emit the current prompt; use the same syntax as the parser
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* Emit the current prompt; use the same syntax as the parser
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* for embedding environment variables.
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* for embedding environment variables.
|
||||||
*/
|
*/
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||||||
void
|
static void
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prompt(void)
|
prompt(void)
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||||||
{
|
{
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char *pr, *p, *cp, *ev;
|
char *pr, *p, *cp, *ev;
|
||||||
|
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||||||
|
if ((cp = getenv("prompt")) == NULL)
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cp = ">";
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|
pr = p = strdup(cp);
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||||||
|
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if ((cp = getenv("prompt")) == NULL)
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while (*p != 0) {
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cp = ">";
|
if ((*p == '$') && (*(p+1) == '{')) {
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pr = p = strdup(cp);
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for (cp = p + 2; (*cp != 0) && (*cp != '}'); cp++)
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;
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while (*p != 0) {
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*cp = 0;
|
||||||
if ((*p == '$') && (*(p+1) == '{')) {
|
ev = getenv(p + 2);
|
||||||
for (cp = p + 2; (*cp != 0) && (*cp != '}'); cp++)
|
|
||||||
;
|
if (ev != NULL)
|
||||||
*cp = 0;
|
printf("%s", ev);
|
||||||
ev = getenv(p + 2);
|
p = cp + 1;
|
||||||
|
continue;
|
||||||
if (ev != NULL)
|
|
||||||
printf("%s", ev);
|
|
||||||
p = cp + 1;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
putchar(*p++);
|
|
||||||
}
|
}
|
||||||
putchar(' ');
|
putchar(*p++);
|
||||||
free(pr);
|
}
|
||||||
|
putchar(' ');
|
||||||
|
free(pr);
|
||||||
}
|
}
|
||||||
|
@ -1,87 +0,0 @@
|
|||||||
/*-
|
|
||||||
* Copyright (c) 2011 Wojciech A. Koszek <wkoszek@FreeBSD.org>
|
|
||||||
* Copyright (c) 2014 Pedro Souza <pedrosouza@freebsd.org>
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions
|
|
||||||
* are met:
|
|
||||||
* 1. Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* 2. Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
||||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
||||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
||||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
||||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
||||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
||||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
||||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
||||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
||||||
* SUCH DAMAGE.
|
|
||||||
*
|
|
||||||
* $FreeBSD$
|
|
||||||
*/
|
|
||||||
|
|
||||||
typedef void interp_init_t(void *ctx);
|
|
||||||
typedef int interp_run_t(void *ctx, const char *input);
|
|
||||||
typedef int interp_incl_t(void *ctx, const char *filename);
|
|
||||||
typedef int interp_load_def_t(void *ctx); // load default configuration files
|
|
||||||
|
|
||||||
struct interp {
|
|
||||||
interp_init_t *init;
|
|
||||||
interp_run_t *run;
|
|
||||||
interp_incl_t *incl;
|
|
||||||
interp_load_def_t *load_configs;
|
|
||||||
void *context;
|
|
||||||
};
|
|
||||||
|
|
||||||
#define INTERP_INIT(i) do { \
|
|
||||||
if (((i) != NULL) && ((i)->init != NULL)) { \
|
|
||||||
((i)->init((i)->context)); \
|
|
||||||
} \
|
|
||||||
} while (0)
|
|
||||||
|
|
||||||
#define INTERP_RUN(i, input) \
|
|
||||||
((i)->run(((i)->context), input))
|
|
||||||
|
|
||||||
#define INTERP_INCL(i, filename) \
|
|
||||||
((i)->incl(((i)->context), filename))
|
|
||||||
|
|
||||||
#define INTERP_LOAD_DEF_CONFIG(i) \
|
|
||||||
((i)->load_configs(((i)->context)))
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
extern struct interp boot_interp_simple;
|
|
||||||
extern struct interp boot_interp_forth;
|
|
||||||
extern struct interp boot_interp_lua;
|
|
||||||
|
|
||||||
|
|
||||||
extern struct interp *interp;
|
|
||||||
|
|
||||||
int perform(int argc, char *argv[]);
|
|
||||||
void prompt(void);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Default config loader for interp_simple & intep_forth
|
|
||||||
* Use it if your interpreter does not use a custom config
|
|
||||||
* file.
|
|
||||||
*
|
|
||||||
* Calls interp->include with 'loader.rc' or 'boot.conf'
|
|
||||||
*/
|
|
||||||
int default_load_config(void *ctx);
|
|
||||||
|
|
||||||
struct includeline
|
|
||||||
{
|
|
||||||
struct includeline *next;
|
|
||||||
int flags;
|
|
||||||
int line;
|
|
||||||
#define SL_QUIET (1<<0)
|
|
||||||
#define SL_IGNOREERR (1<<1)
|
|
||||||
char text[0];
|
|
||||||
};
|
|
@ -1,6 +1,5 @@
|
|||||||
/*-
|
/*-
|
||||||
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
|
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
|
||||||
* Copyright (c) 2011 Wojciech A. Koszek <wkoszek@FreeBSD.org>
|
|
||||||
* All rights reserved.
|
* All rights reserved.
|
||||||
*
|
*
|
||||||
* Redistribution and use in source and binary forms, with or without
|
* Redistribution and use in source and binary forms, with or without
|
||||||
@ -33,7 +32,6 @@ __FBSDID("$FreeBSD$");
|
|||||||
#include <stand.h>
|
#include <stand.h>
|
||||||
#include "bootstrap.h"
|
#include "bootstrap.h"
|
||||||
#include "ficl.h"
|
#include "ficl.h"
|
||||||
#include "interp.h"
|
|
||||||
|
|
||||||
extern unsigned bootprog_rev;
|
extern unsigned bootprog_rev;
|
||||||
|
|
||||||
@ -62,14 +60,9 @@ extern unsigned bootprog_rev;
|
|||||||
/*
|
/*
|
||||||
* BootForth Interface to Ficl Forth interpreter.
|
* BootForth Interface to Ficl Forth interpreter.
|
||||||
*/
|
*/
|
||||||
struct interp_forth_softc {
|
|
||||||
FICL_SYSTEM *bf_sys;
|
|
||||||
FICL_VM *bf_vm;
|
|
||||||
FICL_WORD *pInterp;
|
|
||||||
};
|
|
||||||
struct interp_forth_softc forth_softc = { NULL, NULL, NULL };
|
|
||||||
|
|
||||||
#define RETURN(x) stackPushINT(bf_vm->pStack,!x); return(x)
|
FICL_SYSTEM *bf_sys;
|
||||||
|
FICL_VM *bf_vm;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Shim for taking commands from BF and passing them out to 'standard'
|
* Shim for taking commands from BF and passing them out to 'standard'
|
||||||
@ -78,93 +71,91 @@ struct interp_forth_softc forth_softc = { NULL, NULL, NULL };
|
|||||||
static void
|
static void
|
||||||
bf_command(FICL_VM *vm)
|
bf_command(FICL_VM *vm)
|
||||||
{
|
{
|
||||||
char *name, *line, *tail, *cp;
|
char *name, *line, *tail, *cp;
|
||||||
size_t len;
|
size_t len;
|
||||||
struct bootblk_command **cmdp;
|
struct bootblk_command **cmdp;
|
||||||
bootblk_cmd_t *cmd;
|
bootblk_cmd_t *cmd;
|
||||||
int nstrings, i;
|
int nstrings, i;
|
||||||
int argc, result;
|
int argc, result;
|
||||||
char **argv;
|
char **argv;
|
||||||
|
|
||||||
/* Get the name of the current word */
|
/* Get the name of the current word */
|
||||||
name = vm->runningWord->name;
|
name = vm->runningWord->name;
|
||||||
|
|
||||||
/* Find our command structure */
|
/* Find our command structure */
|
||||||
cmd = NULL;
|
cmd = NULL;
|
||||||
SET_FOREACH(cmdp, Xcommand_set) {
|
SET_FOREACH(cmdp, Xcommand_set) {
|
||||||
if (((*cmdp)->c_name != NULL) && !strcmp(name, (*cmdp)->c_name))
|
if (((*cmdp)->c_name != NULL) && !strcmp(name, (*cmdp)->c_name))
|
||||||
cmd = (*cmdp)->c_fn;
|
cmd = (*cmdp)->c_fn;
|
||||||
}
|
}
|
||||||
if (cmd == NULL)
|
if (cmd == NULL)
|
||||||
panic("callout for unknown command '%s'", name);
|
panic("callout for unknown command '%s'", name);
|
||||||
|
|
||||||
/* Check whether we have been compiled or are being interpreted */
|
/* Check whether we have been compiled or are being interpreted */
|
||||||
if (stackPopINT(vm->pStack)) {
|
if (stackPopINT(vm->pStack)) {
|
||||||
/*
|
|
||||||
* Get parameters from stack, in the format:
|
|
||||||
* an un ... a2 u2 a1 u1 n --
|
|
||||||
* Where n is the number of strings, a/u are pairs of
|
|
||||||
* address/size for strings, and they will be concatenated
|
|
||||||
* in LIFO order.
|
|
||||||
*/
|
|
||||||
nstrings = stackPopINT(vm->pStack);
|
|
||||||
for (i = 0, len = 0; i < nstrings; i++)
|
|
||||||
len += stackFetch(vm->pStack, i * 2).i + 1;
|
|
||||||
line = malloc(strlen(name) + len + 1);
|
|
||||||
strcpy(line, name);
|
|
||||||
|
|
||||||
if (nstrings)
|
|
||||||
for (i = 0; i < nstrings; i++) {
|
|
||||||
len = stackPopINT(vm->pStack);
|
|
||||||
cp = stackPopPtr(vm->pStack);
|
|
||||||
strcat(line, " ");
|
|
||||||
strncat(line, cp, len);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
/* Get remainder of invocation */
|
|
||||||
tail = vmGetInBuf(vm);
|
|
||||||
for (cp = tail, len = 0; cp != vm->tib.end && *cp != 0 && *cp != '\n'; cp++, len++)
|
|
||||||
;
|
|
||||||
|
|
||||||
line = malloc(strlen(name) + len + 2);
|
|
||||||
strcpy(line, name);
|
|
||||||
if (len > 0) {
|
|
||||||
strcat(line, " ");
|
|
||||||
strncat(line, tail, len);
|
|
||||||
vmUpdateTib(vm, tail + len);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
DEBUG("cmd '%s'", line);
|
|
||||||
|
|
||||||
command_errmsg = command_errbuf;
|
|
||||||
command_errbuf[0] = 0;
|
|
||||||
if (!parse(&argc, &argv, line)) {
|
|
||||||
result = (cmd)(argc, argv);
|
|
||||||
free(argv);
|
|
||||||
} else {
|
|
||||||
result=BF_PARSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* XXX Not sure about the rest of this -- imp */
|
|
||||||
|
|
||||||
switch (result) {
|
|
||||||
case CMD_CRIT:
|
|
||||||
printf("%s\n", command_errmsg);
|
|
||||||
break;
|
|
||||||
case CMD_FATAL:
|
|
||||||
panic("%s\n", command_errmsg);
|
|
||||||
}
|
|
||||||
|
|
||||||
free(line);
|
|
||||||
/*
|
/*
|
||||||
* If there was error during nested ficlExec(), we may no longer have
|
* Get parameters from stack, in the format:
|
||||||
* valid environment to return. Throw all exceptions from here.
|
* an un ... a2 u2 a1 u1 n --
|
||||||
|
* Where n is the number of strings, a/u are pairs of
|
||||||
|
* address/size for strings, and they will be concatenated
|
||||||
|
* in LIFO order.
|
||||||
*/
|
*/
|
||||||
if (result != CMD_OK)
|
nstrings = stackPopINT(vm->pStack);
|
||||||
vmThrow(vm, result);
|
for (i = 0, len = 0; i < nstrings; i++)
|
||||||
|
len += stackFetch(vm->pStack, i * 2).i + 1;
|
||||||
|
line = malloc(strlen(name) + len + 1);
|
||||||
|
strcpy(line, name);
|
||||||
|
|
||||||
/* This is going to be thrown!!! */
|
if (nstrings)
|
||||||
stackPushINT(vm->pStack,result);
|
for (i = 0; i < nstrings; i++) {
|
||||||
|
len = stackPopINT(vm->pStack);
|
||||||
|
cp = stackPopPtr(vm->pStack);
|
||||||
|
strcat(line, " ");
|
||||||
|
strncat(line, cp, len);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
/* Get remainder of invocation */
|
||||||
|
tail = vmGetInBuf(vm);
|
||||||
|
for (cp = tail, len = 0; cp != vm->tib.end && *cp != 0 && *cp != '\n'; cp++, len++)
|
||||||
|
;
|
||||||
|
|
||||||
|
line = malloc(strlen(name) + len + 2);
|
||||||
|
strcpy(line, name);
|
||||||
|
if (len > 0) {
|
||||||
|
strcat(line, " ");
|
||||||
|
strncat(line, tail, len);
|
||||||
|
vmUpdateTib(vm, tail + len);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
DEBUG("cmd '%s'", line);
|
||||||
|
|
||||||
|
command_errmsg = command_errbuf;
|
||||||
|
command_errbuf[0] = 0;
|
||||||
|
if (!parse(&argc, &argv, line)) {
|
||||||
|
result = (cmd)(argc, argv);
|
||||||
|
free(argv);
|
||||||
|
} else {
|
||||||
|
result=BF_PARSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (result) {
|
||||||
|
case CMD_CRIT:
|
||||||
|
printf("%s\n", command_errmsg);
|
||||||
|
break;
|
||||||
|
case CMD_FATAL:
|
||||||
|
panic("%s\n", command_errmsg);
|
||||||
|
}
|
||||||
|
|
||||||
|
free(line);
|
||||||
|
/*
|
||||||
|
* If there was error during nested ficlExec(), we may no longer have
|
||||||
|
* valid environment to return. Throw all exceptions from here.
|
||||||
|
*/
|
||||||
|
if (result != CMD_OK)
|
||||||
|
vmThrow(vm, result);
|
||||||
|
|
||||||
|
/* This is going to be thrown!!! */
|
||||||
|
stackPushINT(vm->pStack,result);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -258,22 +249,15 @@ bf_command(FICL_VM *vm)
|
|||||||
/*
|
/*
|
||||||
* Initialise the Forth interpreter, create all our commands as words.
|
* Initialise the Forth interpreter, create all our commands as words.
|
||||||
*/
|
*/
|
||||||
static void
|
void
|
||||||
interp_forth_init(void *ctx)
|
bf_init(const char *rc)
|
||||||
{
|
{
|
||||||
struct interp_forth_softc *softc;
|
|
||||||
struct bootblk_command **cmdp;
|
struct bootblk_command **cmdp;
|
||||||
char create_buf[41]; /* 31 characters-long builtins */
|
char create_buf[41]; /* 31 characters-long builtins */
|
||||||
FICL_SYSTEM *bf_sys;
|
int fd;
|
||||||
FICL_VM *bf_vm;
|
|
||||||
|
|
||||||
softc = ctx;
|
bf_sys = ficlInitSystem(BF_DICTSIZE);
|
||||||
|
bf_vm = ficlNewVM(bf_sys);
|
||||||
assert((softc->bf_sys == NULL) && (softc->bf_vm == NULL) &&
|
|
||||||
(softc->pInterp == NULL)); /* No Forth context at this stage */
|
|
||||||
|
|
||||||
bf_sys = softc->bf_sys = ficlInitSystem(BF_DICTSIZE);
|
|
||||||
bf_vm = softc->bf_vm = ficlNewVM(bf_sys);
|
|
||||||
|
|
||||||
/* Put all private definitions in a "builtins" vocabulary */
|
/* Put all private definitions in a "builtins" vocabulary */
|
||||||
ficlExec(bf_vm, "vocabulary builtins also builtins definitions");
|
ficlExec(bf_vm, "vocabulary builtins also builtins definitions");
|
||||||
@ -294,20 +278,28 @@ interp_forth_init(void *ctx)
|
|||||||
/* Export some version numbers so that code can detect the loader/host version */
|
/* Export some version numbers so that code can detect the loader/host version */
|
||||||
ficlSetEnv(bf_sys, "FreeBSD_version", __FreeBSD_version);
|
ficlSetEnv(bf_sys, "FreeBSD_version", __FreeBSD_version);
|
||||||
ficlSetEnv(bf_sys, "loader_version", bootprog_rev);
|
ficlSetEnv(bf_sys, "loader_version", bootprog_rev);
|
||||||
|
|
||||||
|
/* try to load and run init file if present */
|
||||||
|
if (rc == NULL)
|
||||||
|
rc = "/boot/boot.4th";
|
||||||
|
if (*rc != '\0') {
|
||||||
|
fd = open(rc, O_RDONLY);
|
||||||
|
if (fd != -1) {
|
||||||
|
(void)ficlExecFD(bf_vm, fd);
|
||||||
|
close(fd);
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Feed a line of user input to the Forth interpreter
|
* Feed a line of user input to the Forth interpreter
|
||||||
*/
|
*/
|
||||||
static int
|
int
|
||||||
interp_forth_run(void *ctx, const char *line)
|
bf_run(char *line)
|
||||||
{
|
{
|
||||||
struct interp_forth_softc *softc;
|
|
||||||
int result;
|
int result;
|
||||||
|
|
||||||
softc = ctx;
|
result = ficlExec(bf_vm, line);
|
||||||
|
|
||||||
result = ficlExec(softc->bf_vm, (char *)line);
|
|
||||||
|
|
||||||
DEBUG("ficlExec '%s' = %d", line, result);
|
DEBUG("ficlExec '%s' = %d", line, result);
|
||||||
switch (result) {
|
switch (result) {
|
||||||
@ -334,34 +326,7 @@ interp_forth_run(void *ctx, const char *line)
|
|||||||
|
|
||||||
if (result == VM_USEREXIT)
|
if (result == VM_USEREXIT)
|
||||||
panic("interpreter exit");
|
panic("interpreter exit");
|
||||||
setenv("interpret", softc->bf_vm->state ? "" : "OK", 1);
|
setenv("interpret", bf_vm->state ? "" : "OK", 1);
|
||||||
|
|
||||||
return (result);
|
return (result);
|
||||||
}
|
}
|
||||||
|
|
||||||
static int
|
|
||||||
interp_forth_incl(void *ctx, const char *filename)
|
|
||||||
{
|
|
||||||
struct interp_forth_softc *softc;
|
|
||||||
int fd;
|
|
||||||
|
|
||||||
softc = ctx;
|
|
||||||
|
|
||||||
fd = open(filename, O_RDONLY);
|
|
||||||
if (fd == -1) {
|
|
||||||
/* Hihger layers print the error message */
|
|
||||||
snprintf(command_errbuf, sizeof(command_errbuf),
|
|
||||||
"can't open %s\n", filename);
|
|
||||||
return (CMD_ERROR);
|
|
||||||
}
|
|
||||||
return (ficlExecFD(softc->bf_vm, fd));
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
struct interp boot_interp_forth = {
|
|
||||||
.init = interp_forth_init,
|
|
||||||
.run = interp_forth_run,
|
|
||||||
.incl = interp_forth_incl,
|
|
||||||
.load_configs = default_load_config,
|
|
||||||
.context = &forth_softc
|
|
||||||
};
|
|
||||||
|
@ -1,183 +0,0 @@
|
|||||||
/*-
|
|
||||||
* Copyright (c) 2011 Wojciech A. Koszek <wkoszek@FreeBSD.org>
|
|
||||||
* Copyright (c) 2014 Pedro Souza <pedrosouza@freebsd.org>
|
|
||||||
* All rights reserved.
|
|
||||||
*
|
|
||||||
* Redistribution and use in source and binary forms, with or without
|
|
||||||
* modification, are permitted provided that the following conditions
|
|
||||||
* are met:
|
|
||||||
* 1. Redistributions of source code must retain the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer.
|
|
||||||
* 2. Redistributions in binary form must reproduce the above copyright
|
|
||||||
* notice, this list of conditions and the following disclaimer in the
|
|
||||||
* documentation and/or other materials provided with the distribution.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
||||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
||||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
||||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
||||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
||||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
||||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
||||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
||||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
||||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
||||||
* SUCH DAMAGE.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <sys/cdefs.h>
|
|
||||||
__FBSDID("$FreeBSD$");
|
|
||||||
|
|
||||||
#include <stand.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include "bootstrap.h"
|
|
||||||
#include "interp.h"
|
|
||||||
|
|
||||||
struct interp_simple_softc {
|
|
||||||
int dummy;
|
|
||||||
};
|
|
||||||
|
|
||||||
static void
|
|
||||||
interp_simple_init(void *ctx)
|
|
||||||
{
|
|
||||||
|
|
||||||
(void)ctx; /* Silent the compiler */
|
|
||||||
}
|
|
||||||
|
|
||||||
static int
|
|
||||||
interp_simple_run(void *ctx, const char *input)
|
|
||||||
{
|
|
||||||
struct interp_simple_softc *softc;
|
|
||||||
int argc;
|
|
||||||
char **argv;
|
|
||||||
|
|
||||||
softc = ctx;
|
|
||||||
(void)softc; /* Currently unused */
|
|
||||||
|
|
||||||
if (!parse(&argc, &argv, input)) {
|
|
||||||
if (perform(argc, argv))
|
|
||||||
printf("%s: %s\n", argv[0], command_errmsg);
|
|
||||||
free(argv);
|
|
||||||
} else {
|
|
||||||
printf("parse error\n");
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int
|
|
||||||
interp_simple_incl(void *ctx, const char *filename)
|
|
||||||
{
|
|
||||||
struct includeline *script, *se, *sp;
|
|
||||||
char input[256]; /* big enough? */
|
|
||||||
int argc,res;
|
|
||||||
char **argv, *cp;
|
|
||||||
int fd, flags, line;
|
|
||||||
|
|
||||||
(void)ctx; /* Silent the compiler */
|
|
||||||
|
|
||||||
if (((fd = open(filename, O_RDONLY)) == -1)) {
|
|
||||||
sprintf(command_errbuf,"can't open '%s': %s\n", filename, strerror(errno));
|
|
||||||
return(CMD_ERROR);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Read the script into memory.
|
|
||||||
*/
|
|
||||||
script = se = NULL;
|
|
||||||
line = 0;
|
|
||||||
|
|
||||||
while (fgetstr(input, sizeof(input), fd) >= 0) {
|
|
||||||
line++;
|
|
||||||
flags = 0;
|
|
||||||
/* Discard comments */
|
|
||||||
if (strncmp(input+strspn(input, " "), "\\ ", 2) == 0)
|
|
||||||
continue;
|
|
||||||
cp = input;
|
|
||||||
/* Echo? */
|
|
||||||
if (input[0] == '@') {
|
|
||||||
cp++;
|
|
||||||
flags |= SL_QUIET;
|
|
||||||
}
|
|
||||||
/* Error OK? */
|
|
||||||
if (input[0] == '-') {
|
|
||||||
cp++;
|
|
||||||
flags |= SL_IGNOREERR;
|
|
||||||
}
|
|
||||||
/* Allocate script line structure and copy line, flags */
|
|
||||||
if (*cp == '\0')
|
|
||||||
continue; /* ignore empty line, save memory */
|
|
||||||
sp = malloc(sizeof(struct includeline) + strlen(cp) + 1);
|
|
||||||
/* On malloc failure (it happens!), free as much as possible and exit */
|
|
||||||
if (sp == NULL) {
|
|
||||||
while (script != NULL) {
|
|
||||||
se = script;
|
|
||||||
script = script->next;
|
|
||||||
free(se);
|
|
||||||
}
|
|
||||||
sprintf(command_errbuf, "file '%s' line %d: memory allocation "
|
|
||||||
"failure - aborting\n", filename, line);
|
|
||||||
return (CMD_ERROR);
|
|
||||||
}
|
|
||||||
strcpy(sp->text, cp);
|
|
||||||
sp->flags = flags;
|
|
||||||
sp->line = line;
|
|
||||||
sp->next = NULL;
|
|
||||||
|
|
||||||
if (script == NULL) {
|
|
||||||
script = sp;
|
|
||||||
} else {
|
|
||||||
se->next = sp;
|
|
||||||
}
|
|
||||||
se = sp;
|
|
||||||
}
|
|
||||||
close(fd);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Execute the script
|
|
||||||
*/
|
|
||||||
argv = NULL;
|
|
||||||
res = CMD_OK;
|
|
||||||
for (sp = script; sp != NULL; sp = sp->next) {
|
|
||||||
|
|
||||||
/* print if not being quiet */
|
|
||||||
if (!(sp->flags & SL_QUIET)) {
|
|
||||||
prompt();
|
|
||||||
printf("%s\n", sp->text);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Parse the command */
|
|
||||||
if (!parse(&argc, &argv, sp->text)) {
|
|
||||||
if ((argc > 0) && (perform(argc, argv) != 0)) {
|
|
||||||
/* normal command */
|
|
||||||
printf("%s: %s\n", argv[0], command_errmsg);
|
|
||||||
if (!(sp->flags & SL_IGNOREERR)) {
|
|
||||||
res=CMD_ERROR;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
free(argv);
|
|
||||||
argv = NULL;
|
|
||||||
} else {
|
|
||||||
printf("%s line %d: parse error\n", filename, sp->line);
|
|
||||||
res=CMD_ERROR;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (argv != NULL)
|
|
||||||
free(argv);
|
|
||||||
while(script != NULL) {
|
|
||||||
se = script;
|
|
||||||
script = script->next;
|
|
||||||
free(se);
|
|
||||||
}
|
|
||||||
return(res);
|
|
||||||
}
|
|
||||||
|
|
||||||
struct interp boot_interp_simple = {
|
|
||||||
.init = interp_simple_init,
|
|
||||||
.run = interp_simple_run,
|
|
||||||
.incl = interp_simple_incl,
|
|
||||||
.load_configs = default_load_config,
|
|
||||||
.context = NULL
|
|
||||||
};
|
|
@ -501,7 +501,7 @@ main(int argc, CHAR16 *argv[])
|
|||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
interact(); /* doesn't return */
|
interact(NULL); /* doesn't return */
|
||||||
|
|
||||||
return (EFI_SUCCESS); /* keep compiler happy */
|
return (EFI_SUCCESS); /* keep compiler happy */
|
||||||
}
|
}
|
||||||
|
@ -232,7 +232,7 @@ main(void)
|
|||||||
|
|
||||||
bios_getsmap();
|
bios_getsmap();
|
||||||
|
|
||||||
interact();
|
interact(NULL);
|
||||||
|
|
||||||
/* if we ever get here, it is an error */
|
/* if we ever get here, it is an error */
|
||||||
return (1);
|
return (1);
|
||||||
|
@ -59,8 +59,6 @@ SRCS+= pnp.c
|
|||||||
.if ${MK_FORTH} != "no"
|
.if ${MK_FORTH} != "no"
|
||||||
SRCS+= interp_forth.c
|
SRCS+= interp_forth.c
|
||||||
.include "${BOOTSRC}/ficl.mk"
|
.include "${BOOTSRC}/ficl.mk"
|
||||||
.else
|
|
||||||
SRCS+= interp_simple.c
|
|
||||||
.endif
|
.endif
|
||||||
|
|
||||||
.if defined(BOOT_PROMPT_123)
|
.if defined(BOOT_PROMPT_123)
|
||||||
|
@ -149,7 +149,7 @@ main(int argc, char *argv[], char *envv[], struct bootinfo *bootinfop)
|
|||||||
printf("bootpath=\"%s\"\n", bootpath);
|
printf("bootpath=\"%s\"\n", bootpath);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
interact();
|
interact(NULL);
|
||||||
return (0);
|
return (0);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -157,7 +157,7 @@ main(int (*openfirm)(void *))
|
|||||||
archsw.arch_readin = ofw_readin;
|
archsw.arch_readin = ofw_readin;
|
||||||
archsw.arch_autoload = ofw_autoload;
|
archsw.arch_autoload = ofw_autoload;
|
||||||
|
|
||||||
interact(); /* doesn't return */
|
interact(NULL); /* doesn't return */
|
||||||
|
|
||||||
OF_exit();
|
OF_exit();
|
||||||
|
|
||||||
|
@ -122,7 +122,7 @@ main(int argc, const char **argv)
|
|||||||
setenv("loaddev", bootdev, 1);
|
setenv("loaddev", bootdev, 1);
|
||||||
setenv("LINES", "24", 1);
|
setenv("LINES", "24", 1);
|
||||||
|
|
||||||
interact(); /* doesn't return */
|
interact(NULL); /* doesn't return */
|
||||||
|
|
||||||
return (0);
|
return (0);
|
||||||
}
|
}
|
||||||
|
@ -140,7 +140,7 @@ main(void)
|
|||||||
setenv("LINES", "24", 1);
|
setenv("LINES", "24", 1);
|
||||||
setenv("hw.platform", "ps3", 1);
|
setenv("hw.platform", "ps3", 1);
|
||||||
|
|
||||||
interact(); /* doesn't return */
|
interact(NULL); /* doesn't return */
|
||||||
|
|
||||||
return (0);
|
return (0);
|
||||||
}
|
}
|
||||||
|
@ -902,7 +902,7 @@ main(int (*openfirm)(void *))
|
|||||||
printf("bootpath=\"%s\"\n", bootpath);
|
printf("bootpath=\"%s\"\n", bootpath);
|
||||||
|
|
||||||
/* Give control to the machine independent loader code. */
|
/* Give control to the machine independent loader code. */
|
||||||
interact();
|
interact(NULL);
|
||||||
return (1);
|
return (1);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -500,7 +500,7 @@ main(int argc, char **argv)
|
|||||||
archsw.arch_readin = uboot_readin;
|
archsw.arch_readin = uboot_readin;
|
||||||
archsw.arch_autoload = uboot_autoload;
|
archsw.arch_autoload = uboot_autoload;
|
||||||
|
|
||||||
interact(); /* doesn't return */
|
interact(NULL); /* doesn't return */
|
||||||
|
|
||||||
return (0);
|
return (0);
|
||||||
}
|
}
|
||||||
|
@ -142,7 +142,7 @@ loader_main(struct loader_callbacks *cb, void *arg, int version, int ndisks)
|
|||||||
if (setjmp(jb))
|
if (setjmp(jb))
|
||||||
return;
|
return;
|
||||||
|
|
||||||
interact(); /* doesn't return */
|
interact(NULL); /* doesn't return */
|
||||||
|
|
||||||
exit(0);
|
exit(0);
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user