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提交 f2e95a4d 创建 作者: Silas Boyd-Wickizer's avatar Silas Boyd-Wickizer
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Make the major numbers accessible to init

上级 c822bacf
显示空白字符变更
内嵌 并排
正在显示 包含 31 行增加 和 25 行删除
bin/init.cc
浏览文件 @ f2e95a4d
......@@ -5,6 +5,7 @@
#include "user.h"
#include "fcntl.h"
#include "lib.h"
#include "major.h"
static const char *sh_argv[] = { "sh", 0 };
static const char *app_argv[][MAXARG] = {
......@@ -18,11 +19,11 @@ static struct {
const char* name;
int major;
} dev[] = {
{ "/dev/netif", 2 },
{ "/dev/sampler", 3 },
{ "/dev/lockstat", 4 },
{ "/dev/stat", 5 },
{ "/dev/cmdline", 6},
{ "/dev/netif", MAJ_NETIF },
{ "/dev/sampler", MAJ_SAMPLER },
{ "/dev/lockstat", MAJ_LOCKSTAT },
{ "/dev/stat", MAJ_STAT },
{ "/dev/cmdline", MAJ_CMDLINE},
};
static int
......
include/file.hh
浏览文件 @ f2e95a4d
......@@ -80,10 +80,3 @@ struct devsw {
};
extern struct devsw devsw[];
#define CONSOLE 1
#define NETIF 2
#define SAMPLER 3
#define DEVLOCKSTAT 4
#define DEVSTAT 5
#define DEVCMDLINE 6
include/major.h 0 → 100644
浏览文件 @ f2e95a4d
#define MAJ_CONSOLE 1
#define MAJ_NETIF 2
#define MAJ_SAMPLER 3
#define MAJ_LOCKSTAT 4
#define MAJ_STAT 5
#define MAJ_CMDLINE 6
kernel/cmdline.cc
浏览文件 @ f2e95a4d
......@@ -6,6 +6,7 @@
#include "condvar.h"
#include "fs.h"
#include "file.hh"
#include "major.h"
extern char cmdline[];
......@@ -28,6 +29,6 @@ initcmdline(void)
if (VERBOSE)
cprintf("cmdline: %s\n", cmdline);
devsw[DEVCMDLINE].write = nullptr;
devsw[DEVCMDLINE].read = cmdlineread;
devsw[MAJ_CMDLINE].write = nullptr;
devsw[MAJ_CMDLINE].read = cmdlineread;
}
kernel/console.cc
浏览文件 @ f2e95a4d
......@@ -18,6 +18,7 @@
#include "fmt.hh"
#include "sperf.hh"
#include "wq.hh"
#include "major.h"
#define BACKSPACE 0x100
......@@ -341,8 +342,8 @@ initconsole(void)
initlock(&cons.lock, "console", LOCKSTAT_CONSOLE);
cons.locking = 1;
devsw[CONSOLE].write = consolewrite;
devsw[CONSOLE].read = consoleread;
devsw[MAJ_CONSOLE].write = consolewrite;
devsw[MAJ_CONSOLE].read = consoleread;
picenable(IRQ_KBD);
ioapicenable(IRQ_KBD, 0);
......
kernel/net.cc
浏览文件 @ f2e95a4d
......@@ -7,6 +7,7 @@
#include "fs.h"
#include "file.hh"
#include "net.hh"
#include "major.h"
#ifdef LWIP
extern "C" {
......@@ -249,8 +250,8 @@ initnet(void)
{
struct proc *t;
devsw[NETIF].write = nullptr;
devsw[NETIF].read = netifread;
devsw[MAJ_NETIF].write = nullptr;
devsw[MAJ_NETIF].read = netifread;
t = threadalloc(initnet_worker, nullptr);
if (t == nullptr)
......
kernel/sampler.cc
浏览文件 @ f2e95a4d
......@@ -10,6 +10,7 @@
#include "amd64.h"
#include "cpu.hh"
#include "sampler.h"
#include "major.h"
#define LOGHEADER_SZ (sizeof(struct logheader) + \
sizeof(((struct logheader*)0)->cpu[0])*NCPU)
......@@ -273,7 +274,7 @@ initsamp(void)
pmulog[myid()].event = (pmuevent*) p;
pmulog[myid()].capacity = PERFSIZE / sizeof(struct pmuevent);
devsw[SAMPLER].write = sampwrite;
devsw[SAMPLER].read = sampread;
devsw[SAMPLER].stat = sampstat;
devsw[MAJ_SAMPLER].write = sampwrite;
devsw[MAJ_SAMPLER].read = sampread;
devsw[MAJ_SAMPLER].stat = sampstat;
}
kernel/sched.cc
浏览文件 @ f2e95a4d
......@@ -13,6 +13,7 @@
#include "wq.hh"
#include "percpu.hh"
#include "sperf.hh"
#include "major.h"
enum { sched_debug = 0 };
enum { steal_nonexec = 1 };
......@@ -327,6 +328,6 @@ initsched(void)
for (int i = 0; i < NCPU; i++)
new (&schedule_[i]) schedule();
devsw[DEVSTAT].write = nullptr;
devsw[DEVSTAT].read = statread;
devsw[MAJ_STAT].write = nullptr;
devsw[MAJ_STAT].read = statread;
}
kernel/spinlock.cc
浏览文件 @ f2e95a4d
......@@ -10,6 +10,7 @@
#include "condvar.h"
#include "fs.h"
#include "file.hh"
#include "major.h"
#if LOCKSTAT
static int lockstat_enable;
......@@ -241,8 +242,8 @@ lockstat_write(struct inode *ip, const char *buf, u32 off, u32 n)
void
initlockstat(void)
{
devsw[DEVLOCKSTAT].write = lockstat_write;
devsw[DEVLOCKSTAT].read = lockstat_read;
devsw[MAJ_LOCKSTAT].write = lockstat_write;
devsw[MAJ_LOCKSTAT].read = lockstat_read;
}
#else
void
......
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