char* guard_tests(){
int stub_board[64] = {0};
mu_assert("Should throw an error due to bad index of -1", insert_bit(stub_board, -1, 0, 1) == -1);
mu_assert("should throw an error due to bad index of 17", insert_bit(stub_board, 17, 0, 1) == -1);
mu_assert("should throw an error due to bad input of 3", insert_bit(stub_board, 0, 0, 3) == -1);
mu_assert("should throw an error due to bad input of -1", insert_bit(stub_board, 0, 0, -1) == -1);
return NULL;
}
void hdlc16::insert( const bits::buffer & buf )
{
for( size_t i = 0; i < buf.size(); ++i )
{
insert_bit( buf[i] );
}
}
char* insertion_tests(){
int stub_board[64] = {0};
insert_bit(stub_board, 0, 0, 1);
int output = stub_board[0];
mu_assert("Insert did not equal 1 in position 0", output == 1);
memset(stub_board, 0, 64 * sizeof(int));
insert_bit(stub_board, 1, 0, 1);
output = stub_board[1];
mu_assert("Insert did not equal 1 in position 1", output == 1);
memset(stub_board, 0, 64 * sizeof(int));
insert_bit(stub_board, 1, 1, 1);
output = stub_board[9];
mu_assert("Insert did not equal 1 in position 9", output == 1);
return NULL;
}
/* Allocate a new zone */
static zone_t
alloc_zone(void)
{
/* Works for zone > block */
block_t b;
int i;
zone_t z;
z = next_zone++;
b = z << zone_shift;
if (b > nrblocks - zone_per_block)
pexit("File system not big enough for all the files");
for (i = 0; i < zone_per_block; i++)
put_block(b + i, zero); /* give an empty zone */
insert_bit(zone_map, z - zoff);
return z;
}
/*================================================================
* allocation assist group
*===============================================================*/
static ino_t
alloc_inode(int mode, int usrid, int grpid)
{
ino_t num;
int off;
block_t b;
struct inode *inodes;
num = next_inode++;
if (num > nrinodes) {
pexit("File system does not have enough inodes (only %d)", nrinodes);
}
b = ((num - 1) / inodes_per_block) + inode_offset;
off = (num - 1) % inodes_per_block;
assert(inodes_per_block * sizeof(*inodes) == block_size);
if(!(inodes = alloc_block()))
err(1, "couldn't allocate a block of inodes");
get_block(b, inodes);
if (inodes[off].i_mode) {
pexit("allocation new inode %d with non-zero mode - this cannot happen",
num);
}
inodes[off].i_mode = mode;
inodes[off].i_uid = usrid;
inodes[off].i_gid = grpid;
if (verbose && (inodes[off].i_uid != usrid || inodes[off].i_gid != grpid))
fprintf(stderr, "Uid/gid %d.%d do not fit within inode, truncated\n", usrid, grpid);
put_block(b, inodes);
free(inodes);
/* Set the bit in the bit map. */
insert_bit((block_t) INODE_MAP, num);
return(num);
}
void
super(zone_t zones, ino_t inodes)
{
block_t inodeblks, initblks, i;
unsigned long nb;
long long ind_per_zone, zo;
void *buf;
struct super_block *sup;
sup = buf = alloc_block();
#ifdef MFSFLAG_CLEAN
/* The assumption is that mkfs will create a clean FS. */
sup->s_flags = MFSFLAG_CLEAN;
#endif
sup->s_ninodes = inodes;
/* Check for overflow; cannot happen on V3 file systems */
if(inodes != sup->s_ninodes)
errx(1, "Too much inodes for that version of Minix FS.");
sup->s_nzones = 0; /* not used in V2 - 0 forces errors early */
sup->s_zones = zones;
/* Check for overflow; can only happen on V1 file systems */
if(zones != sup->s_zones)
errx(1, "Too much zones (blocks) for that version of Minix FS.");
#ifndef MFS_STATIC_BLOCK_SIZE
#define BIGGERBLOCKS "Please try a larger block size for an FS of this size."
#else
#define BIGGERBLOCKS "Please use MinixFS V3 for an FS of this size."
#endif
sup->s_imap_blocks = nb = bitmapsize(1 + inodes, block_size);
/* Checks for an overflow: nb is uint32_t while s_imap_blocks is of type
* int16_t */
if(sup->s_imap_blocks != nb) {
errx(1, "too many inode bitmap blocks.\n" BIGGERBLOCKS);
}
sup->s_zmap_blocks = nb = bitmapsize(zones, block_size);
/* Idem here check for overflow */
if(nb != sup->s_zmap_blocks) {
errx(1, "too many block bitmap blocks.\n" BIGGERBLOCKS);
}
inode_offset = START_BLOCK + sup->s_imap_blocks + sup->s_zmap_blocks;
inodeblks = (inodes + inodes_per_block - 1) / inodes_per_block;
initblks = inode_offset + inodeblks;
sup->s_firstdatazone_old = nb =
(initblks + (1 << zone_shift) - 1) >> zone_shift;
if(nb >= zones) errx(1, "bit maps too large");
if(nb != sup->s_firstdatazone_old) {
/* The field is too small to store the value. Fortunately, the value
* can be computed from other fields. We set the on-disk field to zero
* to indicate that it must not be used. Eventually, we can always set
* the on-disk field to zero, and stop using it.
*/
sup->s_firstdatazone_old = 0;
}
sup->s_firstdatazone = nb;
zoff = sup->s_firstdatazone - 1;
sup->s_log_zone_size = zone_shift;
sup->s_magic = SUPER_MAGIC;
#ifdef MFS_SUPER_BLOCK_SIZE
sup->s_block_size = block_size;
/* Check for overflow */
if(block_size != sup->MFS_SUPER_BLOCK_SIZE)
errx(1, "block_size too large.");
sup->s_disk_version = 0;
#endif
ind_per_zone = (long long) indir_per_zone;
zo = NR_DZONES + ind_per_zone + ind_per_zone*ind_per_zone;
#ifndef MAX_MAX_SIZE
#define MAX_MAX_SIZE (INT32_MAX)
#endif
if(MAX_MAX_SIZE/block_size < zo) {
sup->s_max_size = MAX_MAX_SIZE;
}
else {
sup->s_max_size = zo * block_size;
}
if (verbose>1) {
fprintf(stderr, "Super block values:\n"
"\tnumber of inodes\t%12d\n"
"\tnumber of zones \t%12d\n"
"\tinode bit map blocks\t%12d\n"
"\tzone bit map blocks\t%12d\n"
"\tfirst data zone \t%12d\n"
"\tblocks per zone shift\t%12d\n"
"\tmaximum file size\t%12d\n"
"\tmagic number\t\t%#12X\n",
sup->s_ninodes, sup->s_zones,
sup->s_imap_blocks, sup->s_zmap_blocks, sup->s_firstdatazone,
sup->s_log_zone_size, sup->s_max_size, sup->s_magic);
#ifdef MFS_SUPER_BLOCK_SIZE
fprintf(stderr, "\tblock size\t\t%12d\n", sup->s_block_size);
#endif
}
mkfs_seek((off_t) SUPER_BLOCK_BYTES, SEEK_SET);
mkfs_write(buf, SUPER_BLOCK_BYTES);
/* Clear maps and inodes. */
for (i = START_BLOCK; i < initblks; i++) put_block((block_t) i, zero);
next_zone = sup->s_firstdatazone;
next_inode = 1;
zone_map = INODE_MAP + sup->s_imap_blocks;
insert_bit(zone_map, 0); /* bit zero must always be allocated */
insert_bit((block_t) INODE_MAP, 0); /* inode zero not used but
* must be allocated */
free(buf);
}
/***************************************************************************
** Name : StartSCSICmd()
** func : 1. all commands passed through here are regular
** 2. fill in device structure bitmap && start RISC
** Input : risc srb structure, Index, ReqType
** Output : none
****************************************************************************/
static void StartScsiCmd(PRISC_SRB rsrb)
{
DevHdr *dev;
u16 status;
PAdapter pa;
unsigned short val;
u8 t, find_id, find_last, ch = 0;
char *mptr;
/* Request sense CDB */
char RequestSense[6] =
{0x03, 0x00, 0x00, 0x00, 0x0e, 0};
pa = (PAdapter) & HostAdapter[HANumber];
pa->dev[TargetID].task[Index].CmdInProcess = 1; /* command in process */
dev = (DevHdr *) (devhdr_base + TargetID * sizeof(DevHdr));
dev->Srb_loc = Index;
dev->Request_type = ReqType; /* set request type */
dev->Updatedmap = insert_bit(dev->Updatedmap, Index);
for (val = 0; val < 6; val++)
dev->SenseCmd[val] = RequestSense[val];
rsrb->Sense_Cmd_Ptr = virt_to_phys(&dev->SenseCmd[0]);
if (ReqType >= 2)
{
if (ReqType & 0x2)
dev->WideMsg = 0x1;
else
{
/* printf("firing sync nego");
//ravi 10/3/98 -ultra support in parse
if(fast_clk)
dev->SyncPeriod = period_tbl[(ultra[TargetID])].f_factor;
else
dev->SyncPeriod = period_tbl[(ultra[TargetID])].s_factor;
*/
if (pa->dev[TargetID].attrib & 0x1)
dev->SyncOffset = W_MAX_OFFSET;
else
dev->SyncOffset = MAX_OFFSET;
}
}
mptr = (char *) mbx_in_base;
find_id = 0xff;
find_last = 0xff;
for (t = 0; t < 15; t++)
{
ch = *mptr++;
if ((ch & 0xf) == TargetID)
{
find_id = t;
break;
}
}
mptr = (char *) mbx_in_base;
for (t = 0; t < 15; t++)
{
ch = *mptr++;
if (ch & 0x80)
{
find_last = t;
break;
}
}
val = inw(STATUS_INT_REG);
mptr = (char *) mbx_in_base;
if (find_id != 0xff && find_last != 0xff)
{
if (find_id < find_last)
*(char *) (mptr + find_id) |= 0x10;
else
{
*(char *) (mptr + find_last) &= 0x7f;
*(char *) (mptr + find_id) |= 0x90;
}
} else if (find_last != 0xff && find_id == 0xff)
{
*(char *) (mptr + find_last) &= 0x7f;
find_last = find_last + 1;
*(char *) (mptr + find_last) = (0x90 | TargetID);
} else if (find_last == 0xff)
*(char *) mptr = (0x90 | TargetID);
ReqType = 0;
/*
// restart the RISC if it is halted before
*/
rsrb->SRB_flag = SRB_READY;
if (val & RISC_HALT)
{
outw(ucode_start, PC); /* set pc counter */
status = inw(CONTROL_REG); /* clear halt status */
outw((status & ~HALT_RISC), CONTROL_REG);
}
#ifdef DEBUG
printk(KERN_DEBUG " start scsi issued \n");
#endif
}
