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Revert r326792, r326784, r326772, r326712

Browse Source 
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:
Warner Losh 2017-12-12 22:06:22 +00:00
parent f74deabac8
commit ba25195ebf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=326812
15 changed files with 390 additions and 517 deletions
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6
stand/common/bootstrap.h
View File

@ -45,7 +45,7 @@ extern char command_errbuf[COMMAND_ERRBUFSZ];
#define CMD_FATAL 4
/* interp.c */
void interact(void);
void interact(const char *rc);
int include(const char *filename);
/* interp_backslash.c */
@ -54,6 +54,10 @@ char *backslash(const char *str);
/* interp_parse.c */
int parse(int *argc, char ***argv, const char *str);
/* interp_forth.c */
void bf_init(const char *rc);
int bf_run(char *line);
/* boot.c */
int autoboot(int timeout, char *prompt);
void autoboot_maybe(void);

370
stand/common/interp.c
View File

@ -1,6 +1,5 @@
/*-
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
* Copyright (c) 2011 Wojciech A. Koszek <wkoszek@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -24,6 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -36,60 +36,112 @@ __FBSDID("$FreeBSD$");
#include <stand.h>
#include <string.h>
#include "bootstrap.h"
#include "interp.h"
#ifdef BOOT_FORTH
#include "ficl.h"
#define RETURN(x) stackPushINT(bf_vm->pStack,!x); return(x)
extern FICL_VM *bf_vm;
#else
#define RETURN(x) return(x)
#endif
#define MAXARGS 20 /* maximum number of arguments allowed */
struct interp *interp =
#if defined(BOOT_FORTH)
&boot_interp_forth;
#else
&boot_interp_simple;
#endif
static void prompt(void);
#ifndef BOOT_FORTH
static int perform(int argc, char *argv[]);
/*
* Perform the command
*/
int
default_load_config(void *ctx)
perform(int argc, char *argv[])
{
return INTERP_INCL(interp, "/boot/loader.rc");
int result;
struct bootblk_command **cmdp;
bootblk_cmd_t *cmd;
if (argc < 1)
return(CMD_OK);
/* set return defaults; a successful command will override these */
command_errmsg = command_errbuf;
strcpy(command_errbuf, "no error message");
cmd = NULL;
result = CMD_ERROR;
/* search the command set for the command */
SET_FOREACH(cmdp, Xcommand_set) {
if (((*cmdp)->c_name != NULL) && !strcmp(argv[0], (*cmdp)->c_name))
cmd = (*cmdp)->c_fn;
}
if (cmd != NULL) {
result = (cmd)(argc, argv);
} else {
command_errmsg = "unknown command";
}
RETURN(result);
}
#endif /* ! BOOT_FORTH */
/*
* Interactive mode
*/
void
interact(void)
interact(const char *rc)
{
static char input[256]; /* big enough? */
static char input[256]; /* big enough? */
#ifndef BOOT_FORTH
int argc;
char **argv;
#endif
INTERP_INIT(interp);
#ifdef BOOT_FORTH
bf_init((rc) ? "" : NULL);
#endif
/*
* Read our default configuration
*/
INTERP_LOAD_DEF_CONFIG(interp);
printf("\n");
/*
* Before interacting, we might want to autoboot.
*/
autoboot_maybe();
if (rc == NULL) {
/* Read our default configuration. */
include("/boot/loader.rc");
} else if (*rc != '\0')
include(rc);
/*
* Not autobooting, go manual
*/
printf("\nType '?' for a list of commands, 'help' for more detailed help.\n");
if (getenv("prompt") == NULL)
setenv("prompt", "${interpret}", 1);
if (getenv("interpret") == NULL)
setenv("interpret", "OK", 1);
printf("\n");
/*
* Before interacting, we might want to autoboot.
*/
autoboot_maybe();
/*
* Not autobooting, go manual
*/
printf("\nType '?' for a list of commands, 'help' for more detailed help.\n");
if (getenv("prompt") == NULL)
setenv("prompt", "${interpret}", 1);
if (getenv("interpret") == NULL)
setenv("interpret", "OK", 1);
for (;;) {
input[0] = '\0';
prompt();
ngets(input, sizeof(input));
INTERP_RUN(interp, input);
for (;;) {
input[0] = '\0';
prompt();
ngets(input, sizeof(input));
#ifdef BOOT_FORTH
bf_vm->sourceID.i = 0;
bf_run(input);
#else
if (!parse(&argc, &argv, input)) {
if (perform(argc, argv))
printf("%s: %s\n", argv[0], command_errmsg);
free(argv);
} else {
printf("parse error\n");
}
#endif
}
}
/*
@ -106,90 +158,214 @@ COMMAND_SET(include, "include", "read commands from a file", command_include);
static int
command_include(int argc, char *argv[])
{
int i;
int res;
char **argvbuf;
int i;
int res;
char **argvbuf;
/*
* Since argv is static, we need to save it here.
*/
argvbuf = (char**) calloc((u_int)argc, sizeof(char*));
for (i = 0; i < argc; i++)
argvbuf[i] = strdup(argv[i]);
/*
* Since argv is static, we need to save it here.
*/
argvbuf = (char**) calloc((u_int)argc, sizeof(char*));
for (i = 0; i < argc; i++)
argvbuf[i] = strdup(argv[i]);
res=CMD_OK;
for (i = 1; (i < argc) && (res == CMD_OK); i++)
res = INTERP_INCL(interp, argvbuf[i]);
res=CMD_OK;
for (i = 1; (i < argc) && (res == CMD_OK); i++)
res = include(argvbuf[i]);
for (i = 0; i < argc; i++)
free(argvbuf[i]);
free(argvbuf);
for (i = 0; i < argc; i++)
free(argvbuf[i]);
free(argvbuf);
if (res != CMD_OK)
printf("%s", command_errbuf);
return(res);
return(res);
}
/*
* Perform the command
* Header prepended to each line. The text immediately follows the header.
* We try to make this short in order to save memory -- the loader has
* limited memory available, and some of the forth files are very long.
*/
int
perform(int argc, char *argv[])
struct includeline
{
int result;
struct bootblk_command **cmdp;
bootblk_cmd_t *cmd;
struct includeline *next;
#ifndef BOOT_FORTH
int flags;
int line;
#define SL_QUIET (1<<0)
#define SL_IGNOREERR (1<<1)
#endif
char text[0];
};
if (argc < 1)
return(CMD_OK);
int
include(const char *filename)
{
struct includeline *script, *se, *sp;
char input[256]; /* big enough? */
#ifdef BOOT_FORTH
int res;
char *cp;
int prevsrcid, fd, line;
#else
int argc,res;
char **argv, *cp;
int fd, flags, line;
#endif
/* set return defaults; a successful command will override these */
command_errmsg = command_errbuf;
strcpy(command_errbuf, "no error message");
cmd = NULL;
result = CMD_ERROR;
if (((fd = open(filename, O_RDONLY)) == -1)) {
snprintf(command_errbuf, sizeof(command_errbuf),
"can't open '%s': %s", filename, strerror(errno));
return(CMD_ERROR);
}
/* search the command set for the command */
SET_FOREACH(cmdp, Xcommand_set) {
if (((*cmdp)->c_name != NULL) && !strcmp(argv[0], (*cmdp)->c_name))
cmd = (*cmdp)->c_fn;
/*
* Read the script into memory.
*/
script = se = NULL;
line = 0;
while (fgetstr(input, sizeof(input), fd) >= 0) {
line++;
#ifdef BOOT_FORTH
cp = input;
#else
flags = 0;
/* Discard comments */
if (strncmp(input+strspn(input, " "), "\\ ", 2) == 0)
continue;
cp = input;
/* Echo? */
if (input[0] == '@') {
cp++;
flags |= SL_QUIET;
}
if (cmd != NULL) {
result = (cmd)(argc, argv);
/* Error OK? */
if (input[0] == '-') {
cp++;
flags |= SL_IGNOREERR;
}
#endif
/* 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);
}
snprintf(command_errbuf, sizeof(command_errbuf),
"file '%s' line %d: memory allocation failure - aborting",
filename, line);
return (CMD_ERROR);
}
strcpy(sp->text, cp);
#ifndef BOOT_FORTH
sp->flags = flags;
sp->line = line;
#endif
sp->next = NULL;
if (script == NULL) {
script = sp;
} else {
command_errmsg = "unknown command";
se->next = sp;
}
return result;
se = sp;
}
close(fd);
/*
* Execute the script
*/
#ifndef BOOT_FORTH
argv = NULL;
#else
prevsrcid = bf_vm->sourceID.i;
bf_vm->sourceID.i = fd;
#endif
res = CMD_OK;
for (sp = script; sp != NULL; sp = sp->next) {
#ifdef BOOT_FORTH
res = bf_run(sp->text);
if (res != VM_OUTOFTEXT) {
snprintf(command_errbuf, sizeof(command_errbuf),
"Error while including %s, in the line:\n%s",
filename, sp->text);
res = CMD_ERROR;
break;
} else
res = CMD_OK;
#else
/* 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;
}
#endif
}
#ifndef BOOT_FORTH
if (argv != NULL)
free(argv);
#else
bf_vm->sourceID.i = prevsrcid;
#endif
while(script != NULL) {
se = script;
script = script->next;
free(se);
}
return(res);
}
/*
* Emit the current prompt; use the same syntax as the parser
* for embedding environment variables.
*/
void
prompt(void)
static void
prompt(void)
{
char *pr, *p, *cp, *ev;
char *pr, *p, *cp, *ev;
if ((cp = getenv("prompt")) == NULL)
cp = ">";
pr = p = strdup(cp);
if ((cp = getenv("prompt")) == NULL)
cp = ">";
pr = p = strdup(cp);
while (*p != 0) {
if ((*p == '$') && (*(p+1) == '{')) {
for (cp = p + 2; (*cp != 0) && (*cp != '}'); cp++)
;
*cp = 0;
ev = getenv(p + 2);
if (ev != NULL)
printf("%s", ev);
p = cp + 1;
continue;
}
putchar(*p++);
while (*p != 0) {
if ((*p == '$') && (*(p+1) == '{')) {
for (cp = p + 2; (*cp != 0) && (*cp != '}'); cp++)
;
*cp = 0;
ev = getenv(p + 2);
if (ev != NULL)
printf("%s", ev);
p = cp + 1;
continue;
}
putchar(' ');
free(pr);
putchar(*p++);
}
putchar(' ');
free(pr);
}

87
stand/common/interp.h
View File

@ -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];
};

241
stand/common/interp_forth.c
View File

@ -1,6 +1,5 @@
/*-
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
* Copyright (c) 2011 Wojciech A. Koszek <wkoszek@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -33,7 +32,6 @@ __FBSDID("$FreeBSD$");
#include <stand.h>
#include "bootstrap.h"
#include "ficl.h"
#include "interp.h"
extern unsigned bootprog_rev;
@ -62,14 +60,9 @@ extern unsigned bootprog_rev;
/*
* 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'
@ -78,93 +71,91 @@ struct interp_forth_softc forth_softc = { NULL, NULL, NULL };
static void
bf_command(FICL_VM *vm)
{
char *name, *line, *tail, *cp;
size_t len;
struct bootblk_command **cmdp;
bootblk_cmd_t *cmd;
int nstrings, i;
int argc, result;
char **argv;
char *name, *line, *tail, *cp;
size_t len;
struct bootblk_command **cmdp;
bootblk_cmd_t *cmd;
int nstrings, i;
int argc, result;
char **argv;
/* Get the name of the current word */
name = vm->runningWord->name;
/* Find our command structure */
cmd = NULL;
SET_FOREACH(cmdp, Xcommand_set) {
if (((*cmdp)->c_name != NULL) && !strcmp(name, (*cmdp)->c_name))
cmd = (*cmdp)->c_fn;
}
if (cmd == NULL)
panic("callout for unknown command '%s'", name);
/* Check whether we have been compiled or are being interpreted */
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);
/* Get the name of the current word */
name = vm->runningWord->name;
/* Find our command structure */
cmd = NULL;
SET_FOREACH(cmdp, Xcommand_set) {
if (((*cmdp)->c_name != NULL) && !strcmp(name, (*cmdp)->c_name))
cmd = (*cmdp)->c_fn;
}
if (cmd == NULL)
panic("callout for unknown command '%s'", name);
/* Check whether we have been compiled or are being interpreted */
if (stackPopINT(vm->pStack)) {
/*
* If there was error during nested ficlExec(), we may no longer have
* valid environment to return. Throw all exceptions from here.
* 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.
*/
if (result != CMD_OK)
vmThrow(vm, result);
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);
/* This is going to be thrown!!! */
stackPushINT(vm->pStack,result);
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;
}
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.
*/
static void
interp_forth_init(void *ctx)
void
bf_init(const char *rc)
{
struct interp_forth_softc *softc;
struct bootblk_command **cmdp;
char create_buf[41]; /* 31 characters-long builtins */
FICL_SYSTEM *bf_sys;
FICL_VM *bf_vm;
int fd;
softc = ctx;
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);
bf_sys = ficlInitSystem(BF_DICTSIZE);
bf_vm = ficlNewVM(bf_sys);
/* Put all private definitions in a "builtins" vocabulary */
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 */
ficlSetEnv(bf_sys, "FreeBSD_version", __FreeBSD_version);
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
*/
static int
interp_forth_run(void *ctx, const char *line)
int
bf_run(char *line)
{
struct interp_forth_softc *softc;
int result;
softc = ctx;
result = ficlExec(softc->bf_vm, (char *)line);
result = ficlExec(bf_vm, line);
DEBUG("ficlExec '%s' = %d", line, result);
switch (result) {
@ -334,34 +326,7 @@ interp_forth_run(void *ctx, const char *line)
if (result == VM_USEREXIT)
panic("interpreter exit");
setenv("interpret", softc->bf_vm->state ? "" : "OK", 1);
setenv("interpret", bf_vm->state ? "" : "OK", 1);
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
};

183
stand/common/interp_simple.c
View File

@ -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
};

2
stand/efi/loader/main.c
View File

@ -501,7 +501,7 @@ main(int argc, CHAR16 *argv[])
#endif
}
interact(); /* doesn't return */
interact(NULL); /* doesn't return */
return (EFI_SUCCESS); /* keep compiler happy */
}

2
stand/i386/loader/main.c
View File

@ -232,7 +232,7 @@ main(void)
bios_getsmap();
interact();
interact(NULL);
/* if we ever get here, it is an error */
return (1);

2
stand/loader.mk
View File

@ -59,8 +59,6 @@ SRCS+= pnp.c
.if ${MK_FORTH} != "no"
SRCS+= interp_forth.c
.include "${BOOTSRC}/ficl.mk"
.else
SRCS+= interp_simple.c
.endif
.if defined(BOOT_PROMPT_123)

2
stand/mips/beri/loader/main.c
View File

@ -149,7 +149,7 @@ main(int argc, char *argv[], char *envv[], struct bootinfo *bootinfop)
printf("bootpath=\"%s\"\n", bootpath);
#endif
interact();
interact(NULL);
return (0);
}

2
stand/ofw/common/main.c
View File

@ -157,7 +157,7 @@ main(int (*openfirm)(void *))
archsw.arch_readin = ofw_readin;
archsw.arch_autoload = ofw_autoload;
interact(); /* doesn't return */
interact(NULL); /* doesn't return */
OF_exit();

2
stand/powerpc/kboot/main.c
View File

@ -122,7 +122,7 @@ main(int argc, const char **argv)
setenv("loaddev", bootdev, 1);
setenv("LINES", "24", 1);
interact(); /* doesn't return */
interact(NULL); /* doesn't return */
return (0);
}

2
stand/powerpc/ps3/main.c
View File

@ -140,7 +140,7 @@ main(void)
setenv("LINES", "24", 1);
setenv("hw.platform", "ps3", 1);
interact(); /* doesn't return */
interact(NULL); /* doesn't return */
return (0);
}

2
stand/sparc64/loader/main.c
View File

@ -902,7 +902,7 @@ main(int (*openfirm)(void *))
printf("bootpath=\"%s\"\n", bootpath);
/* Give control to the machine independent loader code. */
interact();
interact(NULL);
return (1);
}

2
stand/uboot/common/main.c
View File

@ -500,7 +500,7 @@ main(int argc, char **argv)
archsw.arch_readin = uboot_readin;
archsw.arch_autoload = uboot_autoload;
interact(); /* doesn't return */
interact(NULL); /* doesn't return */
return (0);
}

2
stand/userboot/userboot/main.c
View File

@ -142,7 +142,7 @@ loader_main(struct loader_callbacks *cb, void *arg, int version, int ndisks)
if (setjmp(jb))
return;
interact(); /* doesn't return */
interact(NULL); /* doesn't return */
exit(0);
}