0,0 → 1,701 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - 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. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. |
*/ |
|
/** |
* @file cmd.c |
* @brief Kernel console command wrappers. |
* |
* This file is meant to contain all wrapper functions for |
* all kconsole commands. The point is in separating |
* kconsole specific wrappers from kconsole-unaware functions |
* from other subsystems. |
*/ |
|
#include <console/cmd.h> |
#include <console/kconsole.h> |
#include <print.h> |
#include <panic.h> |
#include <typedefs.h> |
#include <arch/types.h> |
#include <adt/list.h> |
#include <arch.h> |
#include <func.h> |
#include <macros.h> |
#include <debug.h> |
#include <symtab.h> |
#include <cpu.h> |
#include <mm/tlb.h> |
#include <arch/mm/tlb.h> |
#include <mm/frame.h> |
#include <main/version.h> |
#include <mm/slab.h> |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
|
/** Data and methods for 'help' command. */ |
static int cmd_help(cmd_arg_t *argv); |
static cmd_info_t help_info = { |
.name = "help", |
.description = "List of supported commands.", |
.func = cmd_help, |
.argc = 0 |
}; |
|
static cmd_info_t exit_info = { |
.name = "exit", |
.description ="Exit kconsole", |
.argc = 0 |
}; |
|
/** Data and methods for 'description' command. */ |
static int cmd_desc(cmd_arg_t *argv); |
static void desc_help(void); |
static char desc_buf[MAX_CMDLINE+1]; |
static cmd_arg_t desc_argv = { |
.type = ARG_TYPE_STRING, |
.buffer = desc_buf, |
.len = sizeof(desc_buf) |
}; |
static cmd_info_t desc_info = { |
.name = "describe", |
.description = "Describe specified command.", |
.help = desc_help, |
.func = cmd_desc, |
.argc = 1, |
.argv = &desc_argv |
}; |
|
/** Data and methods for 'symaddr' command. */ |
static int cmd_symaddr(cmd_arg_t *argv); |
static char symaddr_buf[MAX_CMDLINE+1]; |
static cmd_arg_t symaddr_argv = { |
.type = ARG_TYPE_STRING, |
.buffer = symaddr_buf, |
.len = sizeof(symaddr_buf) |
}; |
static cmd_info_t symaddr_info = { |
.name = "symaddr", |
.description = "Return symbol address.", |
.func = cmd_symaddr, |
.argc = 1, |
.argv = &symaddr_argv |
}; |
|
static char set_buf[MAX_CMDLINE+1]; |
static int cmd_set4(cmd_arg_t *argv); |
static cmd_arg_t set4_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = set_buf, |
.len = sizeof(set_buf) |
}, |
{ |
.type = ARG_TYPE_INT |
} |
}; |
static cmd_info_t set4_info = { |
.name = "set4", |
.description = "set <dest_addr> <value> - 4byte version", |
.func = cmd_set4, |
.argc = 2, |
.argv = set4_argv |
}; |
|
/** Data and methods for 'call0' command. */ |
static char call0_buf[MAX_CMDLINE+1]; |
static char carg1_buf[MAX_CMDLINE+1]; |
static char carg2_buf[MAX_CMDLINE+1]; |
static char carg3_buf[MAX_CMDLINE+1]; |
|
static int cmd_call0(cmd_arg_t *argv); |
static cmd_arg_t call0_argv = { |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}; |
static cmd_info_t call0_info = { |
.name = "call0", |
.description = "call0 <function> -> call function().", |
.func = cmd_call0, |
.argc = 1, |
.argv = &call0_argv |
}; |
|
/** Data and methods for 'call1' command. */ |
static int cmd_call1(cmd_arg_t *argv); |
static cmd_arg_t call1_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg1_buf, |
.len = sizeof(carg1_buf) |
} |
}; |
static cmd_info_t call1_info = { |
.name = "call1", |
.description = "call1 <function> <arg1> -> call function(arg1).", |
.func = cmd_call1, |
.argc = 2, |
.argv = call1_argv |
}; |
|
/** Data and methods for 'call2' command. */ |
static int cmd_call2(cmd_arg_t *argv); |
static cmd_arg_t call2_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg1_buf, |
.len = sizeof(carg1_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg2_buf, |
.len = sizeof(carg2_buf) |
} |
}; |
static cmd_info_t call2_info = { |
.name = "call2", |
.description = "call2 <function> <arg1> <arg2> -> call function(arg1,arg2).", |
.func = cmd_call2, |
.argc = 3, |
.argv = call2_argv |
}; |
|
/** Data and methods for 'call3' command. */ |
static int cmd_call3(cmd_arg_t *argv); |
static cmd_arg_t call3_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg1_buf, |
.len = sizeof(carg1_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg2_buf, |
.len = sizeof(carg2_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg3_buf, |
.len = sizeof(carg3_buf) |
} |
|
}; |
static cmd_info_t call3_info = { |
.name = "call3", |
.description = "call3 <function> <arg1> <arg2> <arg3> -> call function(arg1,arg2,arg3).", |
.func = cmd_call3, |
.argc = 4, |
.argv = call3_argv |
}; |
|
/** Data and methods for 'halt' command. */ |
static int cmd_halt(cmd_arg_t *argv); |
static cmd_info_t halt_info = { |
.name = "halt", |
.description = "Halt the kernel.", |
.func = cmd_halt, |
.argc = 0 |
}; |
|
/** Data and methods for 'tlb' command. */ |
static int cmd_tlb(cmd_arg_t *argv); |
cmd_info_t tlb_info = { |
.name = "tlb", |
.description = "Print TLB of current processor.", |
.help = NULL, |
.func = cmd_tlb, |
.argc = 0, |
.argv = NULL |
}; |
|
static int cmd_threads(cmd_arg_t *argv); |
static cmd_info_t threads_info = { |
.name = "threads", |
.description = "List all threads", |
.func = cmd_threads, |
.argc = 0 |
}; |
|
static int cmd_tasks(cmd_arg_t *argv); |
static cmd_info_t tasks_info = { |
.name = "tasks", |
.description = "List all tasks", |
.func = cmd_tasks, |
.argc = 0 |
}; |
|
|
static int cmd_sched(cmd_arg_t *argv); |
static cmd_info_t sched_info = { |
.name = "scheduler", |
.description = "List all scheduler information", |
.func = cmd_sched, |
.argc = 0 |
}; |
|
static int cmd_slabs(cmd_arg_t *argv); |
static cmd_info_t slabs_info = { |
.name = "slabs", |
.description = "List SLAB caches.", |
.func = cmd_slabs, |
.argc = 0 |
}; |
|
/** Data and methods for 'zones' command */ |
static int cmd_zones(cmd_arg_t *argv); |
static cmd_info_t zones_info = { |
.name = "zones", |
.description = "List of memory zones.", |
.func = cmd_zones, |
.argc = 0 |
}; |
|
/** Data and methods for 'zone' command */ |
static int cmd_zone(cmd_arg_t *argv); |
static cmd_arg_t zone_argv = { |
.type = ARG_TYPE_INT, |
}; |
|
static cmd_info_t zone_info = { |
.name = "zone", |
.description = "Show memory zone structure.", |
.func = cmd_zone, |
.argc = 1, |
.argv = &zone_argv |
}; |
|
/** Data and methods for 'cpus' command. */ |
static int cmd_cpus(cmd_arg_t *argv); |
cmd_info_t cpus_info = { |
.name = "cpus", |
.description = "List all processors.", |
.help = NULL, |
.func = cmd_cpus, |
.argc = 0, |
.argv = NULL |
}; |
|
/** Data and methods for 'version' command. */ |
static int cmd_version(cmd_arg_t *argv); |
cmd_info_t version_info = { |
.name = "version", |
.description = "Print version information.", |
.help = NULL, |
.func = cmd_version, |
.argc = 0, |
.argv = NULL |
}; |
|
static cmd_info_t *basic_commands[] = { |
&call0_info, |
&call1_info, |
&call2_info, |
&call3_info, |
&cpus_info, |
&desc_info, |
&exit_info, |
&halt_info, |
&help_info, |
&set4_info, |
&slabs_info, |
&symaddr_info, |
&sched_info, |
&threads_info, |
&tasks_info, |
&tlb_info, |
&version_info, |
&zones_info, |
&zone_info, |
NULL |
}; |
|
|
/** Initialize command info structure. |
* |
* @param cmd Command info structure. |
* |
*/ |
void cmd_initialize(cmd_info_t *cmd) |
{ |
spinlock_initialize(&cmd->lock, "cmd"); |
link_initialize(&cmd->link); |
} |
|
/** Initialize and register commands. */ |
void cmd_init(void) |
{ |
int i; |
|
for (i=0;basic_commands[i]; i++) { |
cmd_initialize(basic_commands[i]); |
if (!cmd_register(basic_commands[i])) |
panic("could not register command %s\n", |
basic_commands[i]->name); |
} |
} |
|
|
/** List supported commands. |
* |
* @param argv Argument vector. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int cmd_help(cmd_arg_t *argv) |
{ |
link_t *cur; |
|
spinlock_lock(&cmd_lock); |
|
for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
cmd_info_t *hlp; |
|
hlp = list_get_instance(cur, cmd_info_t, link); |
spinlock_lock(&hlp->lock); |
|
printf("%s - %s\n", hlp->name, hlp->description); |
|
spinlock_unlock(&hlp->lock); |
} |
|
spinlock_unlock(&cmd_lock); |
|
return 1; |
} |
|
/** Describe specified command. |
* |
* @param argv Argument vector. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int cmd_desc(cmd_arg_t *argv) |
{ |
link_t *cur; |
|
spinlock_lock(&cmd_lock); |
|
for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
cmd_info_t *hlp; |
|
hlp = list_get_instance(cur, cmd_info_t, link); |
spinlock_lock(&hlp->lock); |
|
if (strncmp(hlp->name, (const char *) argv->buffer, strlen(hlp->name)) == 0) { |
printf("%s - %s\n", hlp->name, hlp->description); |
if (hlp->help) |
hlp->help(); |
spinlock_unlock(&hlp->lock); |
break; |
} |
|
spinlock_unlock(&hlp->lock); |
} |
|
spinlock_unlock(&cmd_lock); |
|
return 1; |
} |
|
/** Search symbol table */ |
int cmd_symaddr(cmd_arg_t *argv) |
{ |
symtab_print_search(argv->buffer); |
|
return 1; |
} |
|
/** Call function with zero parameters */ |
int cmd_call0(cmd_arg_t *argv) |
{ |
__address symaddr; |
char *symbol; |
__native (*f)(void); |
|
symaddr = get_symbol_addr(argv->buffer); |
if (!symaddr) |
printf("Symbol %s not found.\n", argv->buffer); |
else if (symaddr == (__address) -1) { |
symtab_print_search(argv->buffer); |
printf("Duplicate symbol, be more specific.\n"); |
} else { |
symbol = get_symtab_entry(symaddr); |
printf("Calling f(): %.*p: %s\n", sizeof(__address) * 2, symaddr, symbol); |
f = (__native (*)(void)) symaddr; |
printf("Result: %#zx\n", f()); |
} |
|
return 1; |
} |
|
/** Call function with one parameter */ |
int cmd_call1(cmd_arg_t *argv) |
{ |
__address symaddr; |
char *symbol; |
__native (*f)(__native,...); |
__native arg1 = argv[1].intval; |
|
symaddr = get_symbol_addr(argv->buffer); |
if (!symaddr) |
printf("Symbol %s not found.\n", argv->buffer); |
else if (symaddr == (__address) -1) { |
symtab_print_search(argv->buffer); |
printf("Duplicate symbol, be more specific.\n"); |
} else { |
symbol = get_symtab_entry(symaddr); |
printf("Calling f(0x%zX): %.*p: %s\n", arg1, sizeof(__address) * 2, symaddr, symbol); |
f = (__native (*)(__native,...)) symaddr; |
printf("Result: %#zx\n", f(arg1)); |
} |
|
return 1; |
} |
|
/** Call function with two parameters */ |
int cmd_call2(cmd_arg_t *argv) |
{ |
__address symaddr; |
char *symbol; |
__native (*f)(__native,__native,...); |
__native arg1 = argv[1].intval; |
__native arg2 = argv[2].intval; |
|
symaddr = get_symbol_addr(argv->buffer); |
if (!symaddr) |
printf("Symbol %s not found.\n", argv->buffer); |
else if (symaddr == (__address) -1) { |
symtab_print_search(argv->buffer); |
printf("Duplicate symbol, be more specific.\n"); |
} else { |
symbol = get_symtab_entry(symaddr); |
printf("Calling f(0x%zx,0x%zx): %.*p: %s\n", |
arg1, arg2, sizeof(__address) * 2, symaddr, symbol); |
f = (__native (*)(__native,__native,...)) symaddr; |
printf("Result: %#zx\n", f(arg1, arg2)); |
} |
|
return 1; |
} |
|
/** Call function with three parameters */ |
int cmd_call3(cmd_arg_t *argv) |
{ |
__address symaddr; |
char *symbol; |
__native (*f)(__native,__native,__native,...); |
__native arg1 = argv[1].intval; |
__native arg2 = argv[2].intval; |
__native arg3 = argv[3].intval; |
|
symaddr = get_symbol_addr(argv->buffer); |
if (!symaddr) |
printf("Symbol %s not found.\n", argv->buffer); |
else if (symaddr == (__address) -1) { |
symtab_print_search(argv->buffer); |
printf("Duplicate symbol, be more specific.\n"); |
} else { |
symbol = get_symtab_entry(symaddr); |
printf("Calling f(0x%zx,0x%zx, 0x%zx): %.*p: %s\n", |
arg1, arg2, arg3, sizeof(__address) * 2, symaddr, symbol); |
f = (__native (*)(__native,__native,__native,...)) symaddr; |
printf("Result: %#zx\n", f(arg1, arg2, arg3)); |
} |
|
return 1; |
} |
|
|
/** Print detailed description of 'describe' command. */ |
void desc_help(void) |
{ |
printf("Syntax: describe command_name\n"); |
} |
|
/** Halt the kernel. |
* |
* @param argv Argument vector (ignored). |
* |
* @return 0 on failure, 1 on success (never returns). |
*/ |
int cmd_halt(cmd_arg_t *argv) |
{ |
halt(); |
return 1; |
} |
|
/** Command for printing TLB contents. |
* |
* @param argv Not used. |
* |
* @return Always returns 1. |
*/ |
int cmd_tlb(cmd_arg_t *argv) |
{ |
tlb_print(); |
return 1; |
} |
|
/** Write 4 byte value to address */ |
int cmd_set4(cmd_arg_t *argv) |
{ |
__u32 *addr ; |
__u32 arg1 = argv[1].intval; |
bool pointer = false; |
|
if (((char *)argv->buffer)[0] == '*') { |
addr = (__u32 *) get_symbol_addr(argv->buffer+1); |
pointer = true; |
} else if (((char *)argv->buffer)[0] >= '0' && |
((char *)argv->buffer)[0] <= '9') |
addr = (__u32 *)atoi((char *)argv->buffer); |
else |
addr = (__u32 *)get_symbol_addr(argv->buffer); |
|
if (!addr) |
printf("Symbol %s not found.\n", argv->buffer); |
else if (addr == (__u32 *) -1) { |
symtab_print_search(argv->buffer); |
printf("Duplicate symbol, be more specific.\n"); |
} else { |
if (pointer) |
addr = (__u32 *)(*(__native *)addr); |
printf("Writing 0x%x -> %.*p\n", arg1, sizeof(__address) * 2, addr); |
*addr = arg1; |
|
} |
|
return 1; |
} |
|
/** Command for listings SLAB caches |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_slabs(cmd_arg_t * argv) { |
slab_print_list(); |
return 1; |
} |
|
|
/** Command for listings Thread information |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_threads(cmd_arg_t * argv) { |
thread_print_list(); |
return 1; |
} |
|
/** Command for listings Task information |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_tasks(cmd_arg_t * argv) { |
task_print_list(); |
return 1; |
} |
|
/** Command for listings Thread information |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_sched(cmd_arg_t * argv) { |
sched_print_list(); |
return 1; |
} |
|
/** Command for listing memory zones |
* |
* @param argv Ignored |
* |
* return Always 1 |
*/ |
int cmd_zones(cmd_arg_t * argv) { |
zone_print_list(); |
return 1; |
} |
|
/** Command for memory zone details |
* |
* @param argv Integer argument from cmdline expected |
* |
* return Always 1 |
*/ |
int cmd_zone(cmd_arg_t * argv) { |
zone_print_one(argv[0].intval); |
return 1; |
} |
|
/** Command for listing processors. |
* |
* @param argv Ignored. |
* |
* return Always 1. |
*/ |
int cmd_cpus(cmd_arg_t *argv) |
{ |
cpu_list(); |
return 1; |
} |
|
/** Command for printing kernel version. |
* |
* @param argv Ignored. |
* |
* return Always 1. |
*/ |
int cmd_version(cmd_arg_t *argv) |
{ |
version_print(); |
return 1; |
} |