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prevent timer overflows in libpayload 

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> 


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5292 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2010-03-25 18:53:20 +00:00 committed by Stefan Reinauer
parent 1beabe10cd
commit d361308f18
1 changed files with 6 additions and 4 deletions
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10
payloads/libpayload/arch/i386/timer.c
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@ -88,7 +88,7 @@ static inline void _delay(unsigned long long delta)
*/
void ndelay(unsigned int n)
{
_delay(n * cpu_khz / 1000000);
_delay((unsigned long long)n * cpu_khz / 1000000);
}
/**
@ -98,7 +98,7 @@ void ndelay(unsigned int n)
*/
void udelay(unsigned int n)
{
_delay(n * cpu_khz / 1000);
_delay((unsigned long long)n * cpu_khz / 1000);
}
/**
@ -108,7 +108,7 @@ void udelay(unsigned int n)
*/
void mdelay(unsigned int m)
{
_delay(m * cpu_khz);
_delay((unsigned long long)m * cpu_khz);
}
/**
@ -118,5 +118,7 @@ void mdelay(unsigned int m)
*/
void delay(unsigned int s)
{
_delay(s * cpu_khz * 1000);
int i;
for (i=0; i<1000; i++)
_delay((unsigned long long)s * cpu_khz);
}