Commit 3b63c04e1bcf626ca24d3fa92b5872c73f1ba8d5
1 parent
bf9298b9
Revert "hw/apic.c: use fls() from host-utils"
This reverts commit 5876. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5890 c046a42c-6fe2-441c-8c8c-71466251a162
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hw/apic.c
... | ... | @@ -105,6 +105,12 @@ static void apic_init_ipi(APICState *s); |
105 | 105 | static void apic_set_irq(APICState *s, int vector_num, int trigger_mode); |
106 | 106 | static void apic_update_irq(APICState *s); |
107 | 107 | |
108 | +/* Find first bit starting from msb */ | |
109 | +static int fls_bit(uint32_t value) | |
110 | +{ | |
111 | + return 31 - clz32(value); | |
112 | +} | |
113 | + | |
108 | 114 | /* Find first bit starting from lsb */ |
109 | 115 | static int ffs_bit(uint32_t value) |
110 | 116 | { |
... | ... | @@ -300,7 +306,7 @@ static int get_highest_priority_int(uint32_t *tab) |
300 | 306 | int i; |
301 | 307 | for(i = 7; i >= 0; i--) { |
302 | 308 | if (tab[i] != 0) { |
303 | - return i * 32 + fls(tab[i]); | |
309 | + return i * 32 + fls_bit(tab[i]); | |
304 | 310 | } |
305 | 311 | } |
306 | 312 | return -1; | ... | ... |