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https://github.com/edk2-porting/linux-next.git
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de36e66d5f
Based on copy from microblaze add ucmpdi2 implementation. This fixes build of niu driver which failed with: drivers/built-in.o: In function `niu_get_nfc': niu.c:(.text+0x91494): undefined reference to `__ucmpdi2' This driver will never be used on a sparc32 system, but patch added to fix build breakage with all*config builds. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
20 lines
501 B
C
20 lines
501 B
C
#include <linux/module.h>
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#include "libgcc.h"
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word_type __ucmpdi2(unsigned long long a, unsigned long long b)
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{
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const DWunion au = {.ll = a};
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const DWunion bu = {.ll = b};
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if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
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return 0;
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else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
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return 2;
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if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
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return 0;
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else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
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return 2;
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return 1;
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}
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EXPORT_SYMBOL(__ucmpdi2);
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