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Kconfig: rename machine to architecture, ident to board.

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Make timezone and maxusers parameters optional.

Enable kernel options UCB_METER, EXEC_AOUT, EXEC_ELF and EXEC_SCRIPT
by default.
This commit is contained in:
Serge Vakulenko
2015-09-03 12:51:56 -07:00
parent fc9d89eff2
commit 94c02410e4
18 changed files with 97 additions and 163 deletions
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20
sys/include/exec.h
View File

@@ -8,19 +8,11 @@
#define _SYS_EXEC_H_
#ifdef KERNEL
#ifdef EXEC_SCRIPT
#define SHSIZE 64
#define SHPATHLEN 64
#endif
#ifdef EXEC_ELF
#define STRLEN 32
#endif
#ifdef EXEC_AOUT
#include "exec_aout.h"
#endif
#ifdef EXEC_ELF
#include "exec_elf.h"
#endif
#define NO_ADDR ((caddr_t)(~0U)) /* Indicates addr. not yet filled in */
@@ -34,29 +26,20 @@ struct exec_params {
char **userargp;
char **userenvp;
union {
#ifdef EXEC_SCRIPT
char sh[SHSIZE];
#endif
#ifdef EXEC_AOUT
struct exec aout;
#endif
#ifdef EXEC_ELF
struct elf_ehdr elf;
#endif
} hdr; /* head of file to exec */
int hdr_len; /* number of bytes valid in image_header */
char **argp, **envp;
u_short argc, envc; /* count of argument and environment strings */
u_short argbc, envbc; /* total number of chars in argc and envc string pool */
union {
#ifdef EXEC_SCRIPT
struct {
char interpname[20]; /* real name of the script interpreter */
char interparg[SHPATHLEN]; /* interpreter arg */
char interpreted; /* flag - this executable is interpreted */
} sh;
#endif
#ifdef EXEC_ELF
struct {
struct buf *stbp; /* String table buffer pointer */
int stbpos; /* String table pos in buffer */
@@ -64,11 +47,8 @@ struct exec_params {
int stoffset; /* String table file pos */
char str[STRLEN];
} elf;
#endif
#ifdef EXEC_AOUT
struct {
} aout;
#endif
};
gid_t gid;

2
sys/include/exec_elf.h
View File

@@ -476,13 +476,11 @@ struct elf_args {
#include "opt_execfmt.h"
#endif
#ifdef EXEC_ELF
int exec_elf_makecmds __P((struct proc *, struct exec_package *));
int elf_read_from __P((struct proc *, struct vnode *, u_long,
caddr_t, int));
void *elf_copyargs __P((struct exec_package *, struct ps_strings *,
void *, void *));
#endif
/* common */
int exec_elf_setup_stack __P((struct proc *, struct exec_package *));

28
sys/include/vmsystm.h
View File

@@ -1,4 +1,6 @@
/*
* Miscellaneous virtual memory subsystem variables and structures.
*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
@@ -6,20 +8,6 @@
* @(#)vmsystm.h 7.2.1 (2.11BSD GTE) 1/15/95
*/
/*
* Miscellaneous virtual memory subsystem variables and structures.
*/
#if defined(KERNEL) && defined(UCB_METER) && !defined(SUPERVISOR)
size_t freemem; /* remaining clicks of free memory */
u_short avefree; /* moving average of remaining free clicks */
u_short avefree30; /* 30 sec (avefree is 5 sec) moving average */
/* writable copies of tunables */
int maxslp; /* max sleep time before very swappable */
#endif
/*
* Fork/vfork accounting.
*/
@@ -31,6 +19,16 @@ struct forkstat
long sizvfork;
};
#if defined(KERNEL) && defined(UCB_METER) && !defined(SUPERVISOR)
#if defined(KERNEL) && defined(UCB_METER)
size_t freemem; /* remaining clicks of free memory */
u_short avefree; /* moving average of remaining free clicks */
u_short avefree30; /* 30 sec (avefree is 5 sec) moving average */
/*
* writable copies of tunables
*/
int maxslp; /* max sleep time before very swappable */
struct forkstat forkstat;
#endif

12
sys/kernel/exec_conf.c
View File

@@ -31,26 +31,14 @@
#include <sys/inode.h>
#include <sys/exec.h>
#ifdef EXEC_SCRIPT
int exec_script_check(struct exec_params *epp);
#endif
#ifdef EXEC_AOUT
int exec_aout_check(struct exec_params *epp);
#endif
#ifdef EXEC_ELF
int exec_elf_check(struct exec_params *epp);
#endif
const struct execsw execsw[] = {
#ifdef EXEC_AOUT
{ exec_aout_check, "a.out" }, /* a.out binaries */
#endif
#ifdef EXEC_ELF
{ exec_elf_check, "elf" }, /* 32bit ELF bins */
#endif
#ifdef EXEC_SCRIPT
{ exec_script_check, "script" }, /* shell scripts */
#endif
};
int nexecs = (sizeof(execsw) / sizeof(*execsw));
int exec_maxhdrsz;

5
sys/kernel/exec_subr.c
View File

@@ -260,13 +260,11 @@ void exec_save_args(struct exec_params *epp)
if ((argp = epp->userargp) != NULL)
while (argp[argc])
argc++;
#ifdef EXEC_SCRIPT
if (epp->sh.interpreted) {
argc++;
if (epp->sh.interparg[0])
argc++;
}
#endif
if (argc != 0) {
if ((epp->argp = (char **)exec_alloc(argc * sizeof(char *), NBPW, epp)) == NULL)
return;
@@ -283,7 +281,7 @@ void exec_save_args(struct exec_params *epp)
ap = *argp++;
else
ap = NULL;
#ifdef EXEC_SCRIPT
if (epp->sh.interpreted) {
if (epp->argc == 0)
ap = epp->sh.interpname;
@@ -295,7 +293,6 @@ void exec_save_args(struct exec_params *epp)
--argp;
}
}
#endif
if (ap == 0)
break;
l = strlen(ap)+1;

2
sys/kernel/kern_exec.c
View File

@@ -66,9 +66,7 @@ int exec_check(struct exec_params *epp)
* Read the first 'SHSIZE' bytes from the file to execute
*/
DEBUG("Read header %d bytes from %d\n", sizeof(epp->hdr), 0);
#ifdef EXEC_SCRIPT
epp->hdr.sh[0] = '\0'; /* for zero length files */
#endif
error = rdwri (UIO_READ, epp->ip,
(caddr_t) &epp->hdr, sizeof(epp->hdr),
(off_t)0, IO_UNIT, &r);

7
sys/pic32/machparam.h
View File

@@ -118,6 +118,13 @@ extern void _keram_start(), _keram_end();
#define USIZE 3072
#define SSIZE 2048 /* initial stack size (bytes) */
/*
* Collect kernel statistics by default.
*/
#if !defined(UCB_METER) && !defined(NO_UCB_METER)
#define UCB_METER
#endif
#ifdef KERNEL
#include "machine/io.h"

14
sys/pic32/max32/Config
View File

@@ -10,27 +10,19 @@
#
# For details, see http://retrobsd.org/wiki/doku.php/doc/kconfig
#
machine "pic32"
architecture "pic32"
cpu "PIC32MX7"
ident CHIPKIT_MAX
board "CHIPKIT_MAX32"
# Linker script
ldscript "cfg/bootloader-max32.ld"
# Need to set locally
timezone 8 dst
maxusers 1
# Standard system options
hz 100 # Rate of clock interrupt
options "CPU_KHZ=80000" # Oscillator frequency of CPU core
options "BUS_KHZ=80000" # Frequency of peripheral bus
options "HZ=100" # Rate of clock interrupt
options "BUS_DIV=1" # Bus clock divisor 1/2/4/8
options "EXEC_AOUT" # Run a.out binaries
options "EXEC_ELF" # Run ELF binaries
options "EXEC_SCRIPT" # Run shell scripts
options "UCB_METER" # Collect kernel statistics
# LED
options "LED_KERNEL_PORT=TRISA" # for kernel activity LED...

11
sys/pic32/max32/Makefile
View File

@@ -1,4 +1,4 @@
PARAM = -DCHIPKIT_MAX
PARAM = -DCHIPKIT_MAX32
PARAM += -DPIC32MX7
PARAM += -DPWM_ENABLED
PARAM += -DADC_ENABLED
@@ -15,17 +15,10 @@ PARAM += -DUART2_ENABLED
PARAM += -DUART1_ENABLED
PARAM += -DLED_KERNEL_PIN=3
PARAM += -DLED_KERNEL_PORT=TRISA
PARAM += -DUCB_METER
PARAM += -DEXEC_SCRIPT
PARAM += -DEXEC_ELF
PARAM += -DEXEC_AOUT
PARAM += -DBUS_DIV=1
PARAM += -DHZ=100
PARAM += -DBUS_KHZ=80000
PARAM += -DCPU_KHZ=80000
PARAM += -DTIMEZONE=480
PARAM += -DDST=1
PARAM += -DMAXUSERS=1
PARAM += -DHZ=100
LDSCRIPT = "cfg/bootloader-max32.ld"
#
# Makefile for RetroBSD, pic32 target

14
sys/pic32/wf32/Config
View File

@@ -7,27 +7,19 @@
# make clean
# make
#
machine "pic32"
architecture "pic32"
cpu "PIC32MX7"
ident CHIPKIT_WF
board "CHIPKIT_WF32"
# Linker script
ldscript "cfg/bootloader-max32.ld"
# Need to set locally
timezone 8 dst
maxusers 1
# Standard system options
hz 100 # Rate of clock interrupt
options "CPU_KHZ=80000" # Oscillator frequency of CPU core
options "BUS_KHZ=80000" # Frequency of peripheral bus
options "HZ=100" # Rate of clock interrupt
options "BUS_DIV=1" # Bus clock divisor 1/2/4/8
options "EXEC_AOUT" # Run a.out binaries
options "EXEC_ELF" # Run ELF binaries
options "EXEC_SCRIPT" # Run shell scripts
options "UCB_METER" # Collect kernel statistics
# LED
options "LED_KERNEL_PORT=TRISA" # for kernel activity LED...

45
sys/pic32/wf32/Makefile
View File

@@ -1,6 +1,26 @@
IDENT=-DCHIPKIT_WF -DPIC32MX7 -DPWM_ENABLED -DADC_ENABLED -DGPIO_ENABLED -DSD0_CS_PIN=4 -DSD0_CS_PORT=TRISD -DSD0_PORT=2 -DSD0_MHZ=10 -DSPI_ENABLED -DCONSOLE_DEVICE=tty0 -DUART1_ENABLED -DLED_TTY_PIN=1 -DLED_TTY_PORT=TRISA -DLED_DISK_PIN=0 -DLED_DISK_PORT=TRISF -DLED_KERNEL_PIN=0 -DLED_KERNEL_PORT=TRISA -DUCB_METER -DEXEC_SCRIPT -DEXEC_ELF -DEXEC_AOUT -DBUS_DIV=1 -DHZ=100 -DBUS_KHZ=80000 -DCPU_KHZ=80000
LDSCRIPT="cfg/bootloader-max32.ld"
PARAM=-DTIMEZONE=480 -DDST=1 -DMAXUSERS=1
PARAM = -DCHIPKIT_WF32
PARAM += -DPIC32MX7
PARAM += -DPWM_ENABLED
PARAM += -DADC_ENABLED
PARAM += -DGPIO_ENABLED
PARAM += -DSD0_CS_PIN=4
PARAM += -DSD0_CS_PORT=TRISD
PARAM += -DSD0_PORT=2
PARAM += -DSD0_MHZ=10
PARAM += -DSPI_ENABLED
PARAM += -DCONSOLE_DEVICE=tty0
PARAM += -DUART1_ENABLED
PARAM += -DLED_TTY_PIN=1
PARAM += -DLED_TTY_PORT=TRISA
PARAM += -DLED_DISK_PIN=0
PARAM += -DLED_DISK_PORT=TRISF
PARAM += -DLED_KERNEL_PIN=0
PARAM += -DLED_KERNEL_PORT=TRISA
PARAM += -DBUS_DIV=1
PARAM += -DBUS_KHZ=80000
PARAM += -DCPU_KHZ=80000
PARAM += -DHZ=100
LDSCRIPT = "cfg/bootloader-max32.ld"
#
# Makefile for RetroBSD, pic32 target
#
@@ -24,14 +44,14 @@ endif
# sources are located via $S relative to the compilation directory
S = ../..
COPTS = -I. ${IDENT} -DKERNEL
CFLAGS = -O ${COPTS} ${PARAM}
DEFS = -I. ${PARAM} -DKERNEL
CFLAGS = -O ${DEFS}
# compile rules: rules are named COMPILE_${SUFFIX}
# SUFFIX is the file suffix, capitalized (e.g. C for a .c file).
COMPILE_C = ${CC} -c ${CFLAGS} $<
COMPILE_S = ${CC} -c ${COPTS} $<
COMPILE_S = ${CC} -c ${DEFS} $<
OBJS = exec_aout.o exec_conf.o exec_elf.o exec_script.o exec_subr.o \
init_main.o init_sysent.o kern_clock.o kern_descrip.o \
@@ -114,24 +134,17 @@ reconfig ioconf.c swapunix.c: Config ../../../tools/kconfig/kconfig
load: unix.elf
pic32prog unix.hex
startup.o: ../startup.S
${COMPILE_S}
# the following are necessary because the files depend on the types of
# cpu's included in the system configuration
clock.o machdep.o conf.o: Makefile
machine:
ln -s .. $@
sys:
ln -s ../../include $@
depend: machine
mkdep ${COPTS} ${CFILES} ioconf.c
startup.o: ../startup.S
${COMPILE_S}
ioconf.o: ioconf.c
${CC} -c ${CFLAGS} ioconf.c
${COMPILE_C}
exec_aout.o: $S/kernel/exec_aout.c
${COMPILE_C}

14
tools/kconfig/config.h
View File

@@ -122,15 +122,14 @@ struct config {
};
/*
* Config has a global notion of which machine type is
* being used.
* Config has a global notion of which architecture is being used.
*/
int machine;
char *machinename;
#define MACHINE_PIC32 1
int arch;
char *archname;
#define ARCH_PIC32 1
/*
* For each machine, a set of CPU's may be specified as supported.
* For each architecture, a set of CPU's may be specified as supported.
* These and the options (below) are put in the C flags in the makefile.
*/
struct cputype {
@@ -149,7 +148,7 @@ struct opt {
struct opt *op_next;
} *opt, *mkopt;
char *ident;
char *board;
char *ldscript;
int do_trace;
@@ -163,6 +162,7 @@ struct file_list *ftab, *conf_list, **confp, *comp_list, **compp;
int zone, hadtz;
int dst;
int hz;
int debugging;
int maxusers;

20
tools/kconfig/config.y
View File

@@ -7,7 +7,9 @@
%token AND
%token ANY
%token ARCHITECTURE
%token AT
%token BOARD
%token COMMA
%token CONFIG
%token CONTROLLER
@@ -21,9 +23,7 @@
%token EQUALS
%token FLAGS
%token HZ
%token IDENT
%token LDSCRIPT
%token MACHINE
%token MAJOR
%token MASTER
%token MAXUSERS
@@ -139,13 +139,13 @@ Spec:
;
Config_spec:
MACHINE Save_id
ARCHITECTURE Save_id
= {
if (strcmp($2, "pic32") == 0) {
machine = MACHINE_PIC32;
machinename = "pic32";
arch = ARCH_PIC32;
archname = "pic32";
} else
yyerror("Unknown machine type");
yyerror("Unknown architecture");
}
|
CPU Save_id
@@ -162,8 +162,8 @@ Config_spec:
|
MAKEOPTIONS Mkopt_list
|
IDENT ID
= { ident = strdup($2); }
BOARD ID
= { board = strdup($2); }
|
LDSCRIPT ID
= { ldscript = strdup($2); }
@@ -758,9 +758,9 @@ void check_nexus(dev, num)
register struct device *dev;
int num;
{
switch (machine) {
switch (arch) {
case MACHINE_PIC32:
case ARCH_PIC32:
break;
}
}

4
tools/kconfig/kconfig.8
View File

@@ -18,7 +18,7 @@ A second file tells
.Nm kconfig
what files are needed to generate a kernel and
can be augmented by configuration specific set of files
that give alternate files for a specific machine.
that give alternate files for a specific architecture.
(see the
.Sx FILES
section below)
@@ -39,7 +39,7 @@ and other system parameters for one kernel configuration.
.El
.Pp
.Nm Kconfig
should be run from the machine and board specific
should be run from the architecture and board specific
subdirectory of the system source (like
.Pa sys/pic32/max32 ) .
.Nm Kconfig

4
tools/kconfig/lang.l
View File

@@ -64,9 +64,9 @@ static struct kt key_words[] = {
{ "dumps", DUMPS },
{ "flags", FLAGS },
{ "hz", HZ },
{ "ident", IDENT },
{ "board", BOARD },
{ "ldscript", LDSCRIPT },
{ "machine", MACHINE },
{ "architecture", ARCHITECTURE },
{ "major", MAJOR },
{ "makeoptions", MAKEOPTIONS },
{ "master", MASTER },

6
tools/kconfig/main.c
View File

@@ -76,14 +76,14 @@ usage: fputs("usage: kconfig [-gp] sysname\n", stderr);
if (yyparse())
exit(3);
switch (machine) {
switch (arch) {
case MACHINE_PIC32:
case ARCH_PIC32:
pic32_ioconf();
break;
default:
printf("Specify machine type, e.g. ``machine pic32''\n");
printf("Specify architecture, e.g. ``architecture pic32''\n");
exit(1);
}
makefile(); /* build Makefile */

2
tools/kconfig/mkioconf.c
View File

@@ -65,7 +65,7 @@ wnum(num)
return (errbuf);
}
#if MACHINE_PIC32
#if ARCH_PIC32
void pic32_ioconf()
{
register struct device *dp, *mp;

50
tools/kconfig/mkmakefile.c
View File

@@ -34,7 +34,7 @@
/*
* Build the makefile for the system, from
* the information in the files files and the
* additional files for the machine being compiled to.
* additional files for the architecture being compiled to.
*/
#include <ctype.h>
#include "y.tab.h"
@@ -108,15 +108,6 @@ new_fent()
return (fp);
}
static struct users {
int u_default;
int u_min;
int u_max;
} users[] = {
{ 2, 1, 16 }, /* MACHINE_PIC32 */
};
#define NUSERS (sizeof (users) / sizeof (users[0]))
int opteq(cp, dp)
char *cp, *dp;
{
@@ -164,7 +155,7 @@ next:
if (wd == (char *)EOF) {
(void) fclose(fp);
if (first == 1) {
(void) sprintf(fname, "files.%s", raise(ident));
(void) sprintf(fname, "files.%s", raise(board));
first++;
fp = fopen(fname, "r");
if (fp != 0)
@@ -348,7 +339,7 @@ void do_cfiles(fp)
}
if (eq(fl->f_fn, "generic"))
fprintf(fp, "$A/%s/%s ",
machinename, swapname);
archname, swapname);
else
fprintf(fp, "%s ", swapname);
lpos += len + 1;
@@ -418,12 +409,11 @@ void makefile()
FILE *ifp, *ofp;
char line[BUFSIZ];
struct opt *op;
struct users *up;
struct cputype *cp;
read_files();
strcpy(line, "../Makefile.kconf");
//(void) strcat(line, machinename);
//strcat(line, archname);
ifp = fopen(line, "r");
if (ifp == 0) {
perror(line);
@@ -434,7 +424,7 @@ void makefile()
perror("Makefile");
exit(1);
}
fprintf(ofp, "PARAM = -D%s\n", raise(ident));
fprintf(ofp, "PARAM = -D%s\n", raise(board));
if (cputype == 0) {
printf("cpu type must be specified\n");
exit(1);
@@ -448,25 +438,14 @@ void makefile()
else
fprintf(ofp, "PARAM += -D%s\n", op->op_name);
}
if (hadtz == 0)
printf("timezone not specified; gmt assumed\n");
if ((unsigned)machine > NUSERS) {
printf("maxusers config info isn't present, using pic32\n");
up = &users[MACHINE_PIC32-1];
} else
up = &users[machine-1];
if (maxusers == 0) {
printf("maxusers not specified; %d assumed\n", up->u_default);
maxusers = up->u_default;
} else if (maxusers < up->u_min) {
printf("minimum of %d maxusers assumed\n", up->u_min);
maxusers = up->u_min;
} else if (maxusers > up->u_max)
printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers);
fprintf(ofp, "PARAM += -DTIMEZONE=%d\n", zone);
fprintf(ofp, "PARAM += -DDST=%d\n", dst);
fprintf(ofp, "PARAM += -DMAXUSERS=%d\n", maxusers);
if (hadtz) {
fprintf(ofp, "PARAM += -DTIMEZONE=%d\n", zone);
fprintf(ofp, "PARAM += -DDST=%d\n", dst);
}
if (maxusers > 0)
fprintf(ofp, "PARAM += -DMAXUSERS=%d\n", maxusers);
if (hz > 0)
fprintf(ofp, "PARAM += -DHZ=%d\n", hz);
if (ldscript)
fprintf(ofp, "LDSCRIPT = \"%s\"\n", ldscript);
@@ -519,8 +498,7 @@ void do_swapspec(f, name)
if (!eq(name, "generic"))
fprintf(f, "swap%s.o: swap%s.c\n", name, name);
else
fprintf(f, "swapgeneric.o: $A/%s/swapgeneric.c\n",
machinename);
fprintf(f, "swapgeneric.o: $A/%s/swapgeneric.c\n", archname);
fprintf(f, "\t${COMPILE_C}\n\n");
}