From 3b63c04e1bcf626ca24d3fa92b5872c73f1ba8d5 Mon Sep 17 00:00:00 2001 From: aurel32 Date: Sat, 6 Dec 2008 10:46:35 +0000 Subject: Revert "hw/apic.c: use fls() from host-utils" This reverts commit 5876. Signed-off-by: Aurelien Jarno git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5890 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/apic.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/apic.c b/hw/apic.c index 626f72fd0e..a2915f8121 100644 --- a/hw/apic.c +++ b/hw/apic.c @@ -105,6 +105,12 @@ 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) { @@ -300,7 +306,7 @@ 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(tab[i]); + return i * 32 + fls_bit(tab[i]); } } return -1; -- cgit v1.2.3