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pagetable lab initialized

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CGH0S7
2025-05-06 11:20:36 +08:00
parent 0e751d690f
commit 38997cbef6
42 changed files with 1963 additions and 1154 deletions
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6
mkfs/mkfs.c
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@ -20,7 +20,7 @@
// Disk layout:
// [ boot block | sb block | log | inode blocks | free bit map | data blocks ]
int nbitmap = FSSIZE/(BSIZE*8) + 1;
int nbitmap = FSSIZE/BPB + 1;
int ninodeblocks = NINODES / IPB + 1;
int nlog = LOGSIZE;
int nmeta; // Number of meta blocks (boot, sb, nlog, inode, bitmap)
@ -147,6 +147,8 @@ main(int argc, char *argv[])
if(shortname[0] == '_')
shortname += 1;
assert(strlen(shortname) <= DIRSIZ);
inum = ialloc(T_FILE);
bzero(&de, sizeof(de));
@ -238,7 +240,7 @@ balloc(int used)
int i;
printf("balloc: first %d blocks have been allocated\n", used);
assert(used < BSIZE*8);
assert(used < BPB);
bzero(buf, BSIZE);
for(i = 0; i < used; i++){
buf[i/8] = buf[i/8] | (0x1 << (i%8));