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dell-flash-unlock: Remove memory clobber from inline assembly

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The x86 port IO instructions do not access memory so it is not
needed in the clobber list.

Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
This commit is contained in:
Nicholas Chin
2024-04-28 14:55:47 -06:00
parent 515185a7f5
commit b737a24c90
1 changed files with 4 additions and 4 deletions
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8
util/dell-flash-unlock/accessors.c
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@@ -43,7 +43,7 @@ sys_outb(unsigned int port, uint8_t data)
outb(port, data);
#endif
#if defined(__NetBSD__)
__asm__ volatile ( "outb %b0, %w1" : : "a"(data), "d"(port) : "memory");
__asm__ volatile ("outb %b0, %w1" : : "a"(data), "d"(port));
#endif
}
@@ -57,7 +57,7 @@ sys_outl(unsigned int port, uint32_t data)
outl(port, data);
#endif
#if defined(__NetBSD__)
__asm__ volatile ( "outl %0, %w1" : : "a"(data), "d"(port) : "memory");
__asm__ volatile ("outl %0, %w1" : : "a"(data), "d"(port));
#endif
}
@@ -70,7 +70,7 @@ sys_inb(unsigned int port)
#if defined(__NetBSD__)
uint8_t retval;
__asm__ volatile("inb %w1, %b0" : "=a" (retval) : "d" (port) : "memory");
__asm__ volatile ("inb %w1, %b0" : "=a" (retval) : "d" (port));
return retval;
#endif
return 0;
@@ -84,7 +84,7 @@ sys_inl(unsigned int port)
#endif
#if defined(__NetBSD__)
int retval;
__asm__ volatile("inl %w1, %0" : "=a" (retval) : "d" (port) : "memory");
__asm__ volatile ("inl %w1, %0" : "=a" (retval) : "d" (port));
return retval;
#endif
return 0;