This commit is contained in:
rsc 2007-08-28 18:23:48 +00:00
parent 3e1eaf226d
commit c1b100e930
9 changed files with 24 additions and 61 deletions

View File

@ -105,7 +105,7 @@ printint(int xx, int base, int sgn)
cons_putc(buf[i]);
}
// Print to the input. only understands %d, %x, %p, %s.
// Print to the console. only understands %d, %x, %p, %s.
void
cprintf(char *fmt, ...)
{
@ -200,7 +200,6 @@ console_intr(int (*getc)(void))
case C('P'): // Process listing.
procdump();
break;
case C('U'): // Kill line.
while(input.e > input.w &&
input.buf[(input.e-1) % INPUT_BUF] != '\n'){
@ -208,14 +207,12 @@ console_intr(int (*getc)(void))
cons_putc(BACKSPACE);
}
break;
case C('H'): // Backspace
if(input.e > input.w){
input.e--;
cons_putc(BACKSPACE);
}
break;
default:
if(c != 0 && input.e < input.r+INPUT_BUF){
input.buf[input.e++] = c;

40
fsvar.h
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@ -16,43 +16,3 @@ struct inode {
#define I_BUSY 0x1
#define I_VALID 0x2
// Blank page.

6
ide.c
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@ -52,7 +52,7 @@ ide_init(void)
ide_wait_ready(0);
// Check if disk 1 is present
outb(0x1f6, 0xE0 | (1<<4));
outb(0x1f6, 0xe0 | (1<<4));
for(i=0; i<1000; i++){
if(inb(0x1f7) != 0){
disk_1_present = 1;
@ -61,7 +61,7 @@ ide_init(void)
}
// Switch back to disk 0.
outb(0x1f6, 0xE0 | (0<<4));
outb(0x1f6, 0xe0 | (0<<4));
}
// Start the request for b. Caller must hold ide_lock.
@ -77,7 +77,7 @@ ide_start_request(struct buf *b)
outb(0x1f3, b->sector & 0xff);
outb(0x1f4, (b->sector >> 8) & 0xff);
outb(0x1f5, (b->sector >> 16) & 0xff);
outb(0x1f6, 0xE0 | ((b->dev&1)<<4) | ((b->sector>>24)&0x0f));
outb(0x1f6, 0xe0 | ((b->dev&1)<<4) | ((b->sector>>24)&0x0f));
if(b->flags & B_DIRTY){
outb(0x1f7, IDE_CMD_WRITE);
outsl(0x1f0, b->data, 512/4);

2
main.c
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@ -57,7 +57,7 @@ main(void)
}
// Additional processors start here.
void
static void
mpmain(void)
{
cprintf("cpu%d: starting\n", cpu());

22
runoff
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@ -134,7 +134,19 @@ perl -e '
}
' $files >defs
perl -n -e 'print if s/^([0-9]+ [a-zA-Z0-9_]+)\(.*$/\1/;' $files |
(for i in $files
do
case "$i" in
*.S)
cat $i | sed 's;#.*;;; s;//.*;;;'
;;
*)
cat $i | sed 's;//.*;;; s;"([^"\\]|\\.)*";;;'
esac
done
) >alltext
perl -n -e 'print if s/^([0-9]+ [a-zA-Z0-9_]+)\(.*$/\1/;' alltext |
egrep -v ' (usage|main|if|for)$' >>defs
(
>s.defs
@ -144,9 +156,11 @@ for i in `awk '{print $2}' defs | sort -fu`
do
defs=`egrep '^[0-9]+ '$i'( |$)' defs | awk '{print $1}'`
echo $i $defs >>s.defs
uses=`egrep -h '([^a-zA-Z_0-9])'$i'($|[^a-zA-Z_0-9])' $files | awk '{print $1}'`
echo $i $defs
echo $uses |fmt -24 | sed 's/^/ /'
uses=`egrep -h '([^a-zA-Z_0-9])'$i'($|[^a-zA-Z_0-9])' alltext | awk '{print $1}'`
if [ "x$defs" != "x$uses" ]; then
echo $i $defs
echo $uses |fmt -24 | sed 's/^/ /'
fi
done
) >refs

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@ -1,6 +1,5 @@
The source listing is preceded by a cross-reference that lists every defined
constant, struct, global variable, and function in xv6. Each entry gives,
on the same line as the name, the line number (or, in a few cases, numbers)

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@ -4,4 +4,3 @@ lines per column, giving one hundred lines per sheet (or page).
Thus there is a convenient relationship between line numbers and sheet numbers.

4
trap.c
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@ -48,7 +48,6 @@ trap(struct trapframe *tf)
// during interrupt handler. Decrement before returning.
cpus[cpu()].nlock++;
// PAGEBREAK: 10
switch(tf->trapno){
case IRQ_OFFSET + IRQ_TIMER:
if(cpu() == 0){
@ -59,17 +58,14 @@ trap(struct trapframe *tf)
}
lapic_eoi();
break;
case IRQ_OFFSET + IRQ_IDE:
ide_intr();
lapic_eoi();
break;
case IRQ_OFFSET + IRQ_KBD:
kbd_intr();
lapic_eoi();
break;
case IRQ_OFFSET + IRQ_SPURIOUS:
cprintf("spurious interrupt from cpu %d eip %x\n", cpu(), tf->eip);
lapic_eoi();

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@ -1,11 +1,9 @@
.text
.globl trap
.globl trapret1
.globl alltraps
.set SEG_KDATA_SEL, 0x10 # selector for SEG_KDATA
# vectors.S sends all traps here.
.globl alltraps
alltraps:
# Build trap frame.
pushl %ds