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header reorganization

This commit is contained in:
Julian Barathieu 2019-05-29 14:34:37 +02:00
parent ebb1a4e927
commit 2f35387e92
14 changed files with 156 additions and 407 deletions
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7
Makefile
View File

@ -84,8 +84,8 @@ NC='\033[1;37m'
# Lib C sources + libbuf source
LibCSources = libc/mem.c libc/ctype.c \
libc/rand.c libc/sprintf.c \
libc/errno.c libc/string.c \
libc/strtol.c extras/argv.c \
libc/errno.c libc/string.c \
libc/strtol.c \
libbuf/bopen.c libbuf/bputc.c libbuf/bscroll.c \
libbuf/bprint.c libbuf/bgetc.c libbuf/bscan.c \
libbuf/bflush.c libbuf/bwrite.c libbuf/bread.c \
@ -108,7 +108,8 @@ KernSources = kernel/ke/cpuid.c kernel/mm/paging.c \
kernel/ke/rtc.c kernel/io/keyb.c \
kernel/io/spkr.c kernel/po/shtdwn.c \
kernel/sh/shell.c kernel/sh/shcmds.c \
kernel/sh/musage.c kernel/io/ata.c
kernel/sh/musage.c kernel/io/ata.c \
kernel/sh/argv.c
KernObj=$(patsubst %.c,$(KOBJDIR)/%.o,$(KernSources))
KernDep=$(patsubst %.c,$(KOBJDIR)/%.d,$(KernSources))

299
include/ex/argv.h
View File

@ -1,299 +0,0 @@
//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Command line parsing utilities //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#ifndef _LIBC_H
#include <libc.h>
#endif
#ifndef _KALEXTRAS_ARGV_H
#define _KALEXTRAS_ARGV_H
#ifdef __cplusplus
extern "C" {
#endif
typedef enum CmdOptionFlag_t CmdOptionFlag_t;
typedef enum CmdParserFlags_t CmdParserFlags_t;
typedef enum CmdParserReturn_t CmdParserReturn_t;
typedef struct CmdOption_t CmdOption_t;
typedef struct CmdDocStrings_t CmdDocStrings_t;
typedef struct CmdParserState_t CmdParserState_t;
//------------------------------------------//
//
// Maximal total size of argv, including the pointers,
// the pointed-to strings and their null-terminators
// This is a 32-bit integer
//
#define ARG_MAX (1 << 16) // 64 KB
//------------------------------------------//
//
// Flags for options
//
enum CmdOptionFlag_t
{
// The option parameter is optional
KALOPT_OPTIONAL = (1 << 0),
// Do not show option in any help message
KALOPT_HIDDEN = (1 << 1),
// This option is an alias for the previous one
KALOPT_ALIAS = (1 << 2),
// This isn't an option but a docstring
KALOPT_DOCSTR = (1 << 3),
// Only show in long help messages
KALOPT_LONGDOC = (1 << 4),
};
//
// Flags for KalParse(CmdLine|ArgVec)
//
enum CmdParserFlags_t
{
// Don't exit on errors
KALOPT_NO_EXIT = (1 << 0),
// Don't react to --help
KALOPT_NO_HELP = (1 << 1),
// Don't react to --version
KALOPT_NO_VERSION = (1 << 2),
// Alias -h for --help and -V for --version
KALOPT_ALIASES = (1 << 3),
// Don't print any error message
// Implies KALOPT_NO_EXIT
KALOPT_NO_ERRORS = (1 << 4) | KALOPT_NO_EXIT,
// Use KalGetProgName() instead of argv[0]
// as program name
KALOPT_DONT_USE_ARGV0 = (1 << 5),
// Call argument parser for non-options
// Non-options arguments will be indicated by
// a key of 0, the argument passed as a parameter
KALOPT_PARSE_ALL = (1 << 6),
// Call argument parser with options and non-options in the
// order they were found, instead of parsing options first
KALOPT_IN_ORDER = (1 << 7) | KALOPT_PARSE_ALL,
// Stay silent all along
KALOPT_SILENT = KALOPT_NO_EXIT | KALOPT_NO_ERRORS
| KALOPT_NO_HELP | KALOPT_NO_VERSION,
};
//
// Return values for the command parser
// These flags can be combined and are applied in order
//
// "Continue" and "Break" actions do not prevent
// later actions from applying
//
enum CmdParserReturn_t
{
// Continue parsing new options
KALOPT_CONTINUE = 0,
// Stop parsing further options
KALOPT_BREAK = (1 << 0),
// Show help/version message (by default, continue parsing)
KALOPT_SHOWHELP = (1 << 1),
KALOPT_SHOWVERS = (1 << 2),
};
//------------------------------------------//
//
// An option for a command, e.g. "-o file" in "cc -o file"
//
struct CmdOption_t
{
// The option's name, e.g. "help" for "--help"
// May be 0, but only if letter is not zero
const char *longName;
// The option's letter, e.g. 'h' for '-h'
int letter;
// Address of the variable to put the parameter into
const char *param;
// Option flags, see above
CmdOptionFlag_t flags;
// The option's help text
// If this is 0, this option is hidden
const char *helpText;
// The option's group, for sorting during --help
// Must be positive and < 256, or option won't shop up
// during help texts
int group;
};
//
// Program help/documentation strings; any can be 0
//
// Help messages are printed in this format:
// (letting "this" be a CmdDocStrings_t* variable)
//
// Usage: (this->usage)
// (this->header)
//
// (this->groups[0])
// -o, --option-name option description
// ...
// ...
//
// (this->bottom)
//
// XXX progname/version
//
struct CmdDocStrings_t
{
const char *usage;
const char *header;
const char *bottom;
// Groups documentation
// groups[n] should be either 0 or contain the
// description of the option group n
const char **groups;
};
//
// The state variable passed to the parser containing useful infos
//
struct CmdParserState_t {
// Option we're currently parsing
const CmdOption_t *option;
// Index (in argv) of the option we're parsing
int argvIndex;
// Flags passed to KalParse(CmdLine|ArgV)
CmdParserFlags_t flags;
// Has help/version messages been displayed already?
bool shownHelp;
bool shownVersion;
// Output streams (may be NULL)
/*FILE*/ void *outStream;
/*FILE*/ void *errStream;
// Private, internal data; do not touch
void *priv;
};
//
// The argument parser function
//
typedef CmdParserReturn_t (*CmdParser_t)(int key,
const char *param,
CmdParserState_t *state);
//------------------------------------------//
//
// Misc. simple functions
//
int KalComputeArgCount(const char **argv);
size_t KalComputeArgVecSize(const char **argv);
//
// Command line to argument vector
//
error_t KalCmdLineToArgVecEx(const char *cmdLine,
int *argcPtr,
char *bufptr,
bool doEscaping);
//
// KalCmdLineToArgVecEx but doEscaping = false
//
error_t KalCmdLineToArgVec(const char *cmdLine,
int *argcPtr,
char *bufptr);
//
// Argument vector to command line
//
error_t KalArgVecToCmdLineEx(char *cmdLine,
size_t lengthMax,
int argc,
const char **argv,
bool doUnEscaping);
//
// KalArgVecToCmdLineEx but doUnEscapign = false
//
error_t KalArgVecToCmdLine(char *cmdLine,
size_t lengthMax,
int argc,
const char **argv);
//
// Command line parser; only takes an argument vector
// The argv argument *will* be modified and all parsed
// options and arguments will be removed, except argv[0]
// which is guanranteed to be left
//
error_t KalParseArgVecEx(int argc,
char **argv,
const CmdOption_t *options,
const CmdDocStrings_t *docStrings,
CmdParserFlags_t *flags,
CmdParser_t *parser,
/*FILE*/ void *outStream,
/*FILE*/ void *errStream);
//
// KalParseArgVecEx(argc, argv, options, docString, stdin, stdout, parser, NULL)
//
error_t KalParseArgVec(int argc,
char **argv,
const CmdOption_t *options,
const CmdDocStrings_t *docStrings,
CmdParserFlags_t *flags,
CmdParser_t *parser);
//------------------------------------------//
#ifdef __cplusplus
}
#endif
#endif

9
include/init/boot.h
View File

@ -26,6 +26,10 @@
#include <kernel.h>
#endif
#ifndef MULTIBOOT_HEADER
#include <init/mboot.h>
#endif
#ifndef _INIT_BOOT_H
#define _INIT_BOOT_H
@ -115,4 +119,9 @@ extern volatile BootInfo_t BtBootTab;
//----------------------------------------------------------------------------//
void BtDoSanityChecks(uint);
void BtInitBootInfo(multiboot_info_t *, void *);
//----------------------------------------------------------------------------//
#endif

5
include/io/vga.h
View File

@ -58,15 +58,14 @@ extern const char *RtlColorNames[VGA_COLOR_WHITE+1];
#define RtlColorToChar(c) ((c) + 130)
#define RtlCharToColor(c) ((c) - 130)
void IoScrollDown(void);
uint IoGetScroll(void);
void IoScrollUp(void);
void IoScrollDown(void);
void IoChangeTermColor(int, int);
error_t IoInitVGABuffer(void);
uint IoGetScroll(void);
//----------------------------------------------------------------------------//
#endif

2
include/kernel.h
View File

@ -165,7 +165,9 @@ extern CpuCore_t _KeCPUTable[NCPUS];
//----------------------------------------------------------------------------//
#ifndef _ASM_H
#include <asm.h>
#endif
//----------------------------------------------------------------------------//

57
include/sh/argv.h Normal file
View File

@ -0,0 +1,57 @@
//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Command line parsing utilities //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#ifndef _KERNEL_H
#include <kernel.h>
#endif
#ifndef _SH_ARGV_H
#define _SH_ARGV_H
//------------------------------------------//
// See kaleid/sh/argv.h
#define ARG_MAX (1 << 16) // 64 KB
//------------------------------------------//
//
// Command line to argument vector
// Assumes sizeof(bufptr) >= ARG_MAX * 2
//
error_t ShCmdLineToArgVecEx(const char *cmdLine,
int *argcPtr,
char *bufptr,
bool doEscaping);
//
// ShCmdLineToArgVecEx but doEscaping = false
//
error_t ShCmdLineToArgVec(const char *cmdLine,
int *argcPtr,
char *bufptr);
//------------------------------------------//
#endif

55
kaleid/kernel/init/init.h → include/sh/shell.h
View File

@ -1,7 +1,7 @@
//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Kernel entry point //
// Desc: Kernel shell //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
@ -22,33 +22,38 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include <init/mboot.h>
#include <lib/buf.h>
#include <ke/time.h>
#include <ke/idt.h>
#include <io/spkr.h>
#include <io/keyb.h>
#include <io/cursor.h>
#include <po/shtdwn.h>
#include <mm/heap.h>
#include <mm/mm.h>
#include <io/vga.h>
#include <ke/cpuid.h>
#include <io/ata.h>
#ifndef _KERNEL_H
#include <kernel.h>
#endif
// info.c
extern void BtDoSanityChecks(uint mbMagic);
extern void BtInitBootInfo(multiboot_info_t *mbi, void *codeSeg);
#ifndef _SH_SHELL_H
#define _SH_SHELL_H
// io/vga.c
extern error_t IoInitVGABuffer(void);
//----------------------------------------------------------------------------//
// ke/shell.c
extern void KeStartShell(void);
void ShStartShell(void);
// ps/proc.c test function
extern void pstest(void);
//----------------------------------------------------------------------------//
// interrupts tests
extern void divideByZero(void);
#define CMDBUFSIZE 256
typedef struct Command_t Command_t;
struct Command_t
{
const char *name;
error_t (*func)(int argc, char **argv, char *cmdline);
const char *help;
};
//----------------------------------------------------------------------------//
extern int shcol;
extern int shargc;
extern char **shargv;
extern Command_t shcmdtable[];
//----------------------------------------------------------------------------//
#endif

1
kaleid/kernel/init/info.c
View File

@ -23,7 +23,6 @@
//----------------------------------------------------------------------------//
#include <init/boot.h>
#include <init/mboot.h>
//
// BootInfo_t initialization. It is necessary because grub will potentially be

14
kaleid/kernel/init/init.c
View File

@ -22,7 +22,17 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include "init.h"
#include <mm/mm.h>
#include <mm/heap.h>
#include <ke/idt.h>
#include <ke/time.h>
#include <ke/cpuid.h>
#include <sh/shell.h>
#include <io/vga.h>
#include <io/keyb.h>
#include <io/cursor.h>
#include <po/shtdwn.h>
#include <init/boot.h>
//
// Entry point of the Kaleid kernel
@ -66,7 +76,7 @@ noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
IoEnableKeyb();
MmActivatePageHandler();
KeStartShell();
ShStartShell();
PoShutdown();
}

49
kaleid/extras/argv.c → kaleid/kernel/sh/argv.c
View File

@ -22,37 +22,9 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include <ex/argv.h>
#include <sh/argv.h>
#include <ex/malloc.h>
#include <kernel.h>
//
// Computes argument count, the least N such
// that argv[N] == NULL
//
int KalComputeArgCount(const char **argv)
{
int argc = 0;
while (argv[argc]) argc++;
return argc;
}
//
// Computes the total size of argv, including
// the null-terminators
//
size_t KalComputeArgVecSize(const char *argv[])
{
size_t len;
for (len = 0; *argv; len += strlen(*argv) + 1, argv++);
return len;
}
//
// Converts command line to an argument vector
//
@ -61,13 +33,10 @@ size_t KalComputeArgVecSize(const char *argv[])
// with the address of the nth string stored in the first half,
// specifically at argv[n-1]
//
// TODO long escape sequences
// get program command line if cmdLine == NULL
//
error_t KalCmdLineToArgVecEx(const char *cmdLine,
int *argcPtr,
char *bufptr,
bool doEscaping)
error_t ShCmdLineToArgVecEx(const char *cmdLine,
int *argcPtr,
char *bufptr,
bool doEscaping)
{
int argc = 0;
char quotes = 0;
@ -213,9 +182,9 @@ error_t KalCmdLineToArgVecEx(const char *cmdLine,
#undef ISBLANK
#undef NULLTERM_AND_SAVE
error_t KalCmdLineToArgVec(const char *cmdLine,
int *argcPtr,
char *bufptr)
error_t ShCmdLineToArgVec(const char *cmdLine,
int *argcPtr,
char *bufptr)
{
return KalCmdLineToArgVecEx(cmdLine, argcPtr, bufptr, false);
return ShCmdLineToArgVecEx(cmdLine, argcPtr, bufptr, false);
}

5
kaleid/kernel/sh/musage.c
View File

@ -22,7 +22,10 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include "shell.h"
#include <io/vga.h>
#include <mm/heap.h>
#include <sh/shell.h>
#include <init/boot.h>
error_t CmdMemUsage(int argc, char **argv, char *cmdline)
{

18
kaleid/kernel/sh/shcmds.c
View File

@ -22,8 +22,15 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include "shell.h"
#include <vers.h>
#include <mm/mm.h>
#include <io/ata.h>
#include <io/vga.h>
#include <io/spkr.h>
#include <ke/time.h>
#include <lib/buf.h>
#include <sh/shell.h>
#include <po/shtdwn.h>
int ShAtoi(char* str)
{
@ -173,7 +180,7 @@ error_t CmdHelp(int argc, char **argv, char *cmdline)
if (argc == 1) {
KernLog("List of all shell built-ins:\n");
for (cmd = cmdtable; cmd->name != NULL; cmd++, count++) {
for (cmd = shcmdtable; cmd->name != NULL; cmd++, count++) {
KernLog("\t%s", cmd->name);
for (i = strlen(cmd->name)/4; i<3; i++) {
KernLog("\t");
@ -224,7 +231,7 @@ error_t CmdReloadPage(int argc, char **argv, char *cmdline)
error_t CmdShell(int argc, char **argv, char *cmdline)
{
KeStartShell();
ShStartShell();
return EOK;
}
@ -285,7 +292,8 @@ error_t CmdVersion(int argc, char **argv, char *cmdline)
}
//----------------------------------------------------------------------------//
Command_t cmdtable[] =
Command_t shcmdtable[] =
{
{ "args", CmdArgs, "Print command line" },
{ "beep", CmdBeep, "Make a beep" },

22
kaleid/kernel/sh/shell.c
View File

@ -22,15 +22,21 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include "shell.h"
int shcol = VGA_COLOR_LIGHT_GREY;
#include <io/vga.h>
#include <io/keyb.h>
#include <io/spkr.h>
#include <lib/buf.h>
#include <sh/argv.h>
#include <sh/shell.h>
#include <po/shtdwn.h>
int shargc = 0;
char *argvbuf = 0;
char **shargv = 0;
int shcol = VGA_COLOR_LIGHT_GREY;
void ExecuteCommand(char *cmdbuf)
static char *argvbuf = 0;
static void ExecuteCommand(char *cmdbuf)
{
error_t rc;
Command_t *cmd;
@ -40,10 +46,10 @@ void ExecuteCommand(char *cmdbuf)
return;
memzero(*shargv, ARG_MAX);
rc = KalCmdLineToArgVec(cmdbuf, &shargc, argvbuf);
rc = ShCmdLineToArgVec(cmdbuf, &shargc, argvbuf);
if (rc) KeStartPanic("Shell: Couldn't parse command line: %d", rc);
for (cmd = cmdtable; cmd->name != NULL; cmd++) {
for (cmd = shcmdtable; cmd->name != NULL; cmd++) {
if (!strcmp(cmd->name, shargv[0])) {
cmd->func(shargc, shargv, cmdbuf);
found = true;
@ -59,7 +65,7 @@ void ExecuteCommand(char *cmdbuf)
}
}
void KeStartShell(void)
void ShStartShell(void)
{
uchar ch;
error_t rc;

20
kaleid/kernel/sh/shell.h
View File

@ -32,29 +32,9 @@
#include <mm/heap.h>
#include <io/spkr.h>
#include <io/keyb.h>
#include <io/vga.h>
#include <po/shtdwn.h>
#include <ke/cpuid.h>
#include <io/ata.h>
void KeStartShell(void);
void pstest(void);
extern int shcol;
extern int shargc;
extern char *argv0;
extern char **shargv;
#define CMDBUFSIZE 256
typedef struct Command_t Command_t;
struct Command_t
{
const char *name;
error_t (*func)(int argc, char **argv, char *cmdline);
const char *help;
};
extern Command_t cmdtable[];