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hw/apic.c: use fls() from host-utils

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...and fix a bug, the implementation in hw/apic.c was wrong.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5876 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-12-04 20:57:02 +00:00
parent d096ab91c9
commit d34ca59016
1 changed files with 1 additions and 7 deletions
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8
hw/apic.c
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@ -105,12 +105,6 @@ static void apic_init_ipi(APICState *s);
static void apic_set_irq(APICState *s, int vector_num, int trigger_mode);
static void apic_update_irq(APICState *s);
/* Find first bit starting from msb */
static int fls_bit(uint32_t value)
{
return 31 - clz32(value);
}
/* Find first bit starting from lsb */
static int ffs_bit(uint32_t value)
{
@ -306,7 +300,7 @@ static int get_highest_priority_int(uint32_t *tab)
int i;
for(i = 7; i >= 0; i--) {
if (tab[i] != 0) {
return i * 32 + fls_bit(tab[i]);
return i * 32 + fls(tab[i]);
}
}
return -1;