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MFi386: r275059, r275061, r275062 and r275191 (by rdivacky)

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Shrink boot2 by a couple more bytes.
This commit is contained in:
nyan 2014-11-29 12:22:31 +00:00
parent d3bf63ef6b
commit e9f219c6ad
1 changed files with 12 additions and 8 deletions
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20
sys/boot/pc98/boot2/boot2.c
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@ -462,7 +462,8 @@ load(void)
caddr_t p;
ufs_ino_t ino;
uint32_t addr;
int i, j;
int k;
uint8_t i, j;
if (!(ino = lookup(kname))) {
if (!ls)
@ -483,7 +484,7 @@ load(void)
return;
} else if (IS_ELF(hdr.eh)) {
fs_off = hdr.eh.e_phoff;
for (j = i = 0; i < hdr.eh.e_phnum && j < 2; i++) {
for (j = k = 0; k < hdr.eh.e_phnum && j < 2; k++) {
if (xfsread(ino, ep + j, sizeof(ep[0])))
return;
if (ep[j].p_type == PT_LOAD)
@ -533,6 +534,7 @@ parse()
const char *cp;
unsigned int drv;
int c, i, j;
size_t k;
while ((c = *arg++)) {
if (c == ' ' || c == '\t' || c == '\n')
@ -555,7 +557,7 @@ parse()
#if SERIAL
} else if (c == 'S') {
j = 0;
while ((unsigned int)(i = *arg++ - '0') <= 9)
while ((i = *arg++ - '0') <= 9)
j = j * 10 + i;
if (j > 0 && i == -'0') {
comspeed = j;
@ -618,10 +620,10 @@ parse()
dsk.daua = dsk.disk | dsk.unit;
dsk_meta = 0;
}
if ((i = ep - arg)) {
if ((size_t)i >= sizeof(knamebuf))
if (k = ep - arg) {
if (k >= sizeof(knamebuf))
return -1;
memcpy(knamebuf, arg, i + 1);
memcpy(knamebuf, arg, k + 1);
kname = knamebuf;
}
}
@ -754,8 +756,10 @@ drvread(void *buf, unsigned lba)
head = x / dsk.sec;
sec = x % dsk.sec;
if (!OPT_CHECK(RBX_QUIET))
printf("%c\b", c = c << 8 | c >> 24);
if (!OPT_CHECK(RBX_QUIET)) {
xputc(c = c << 8 | c >> 24);
xputc('\b');
}
v86.ctl = V86_ADDR | V86_CALLF | V86_FLAGS;
v86.addr = READORG; /* call to read in boot1 */
v86.ecx = cyl;