Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ca9d7aea authored by David Woodhouse's avatar David Woodhouse Committed by Benjamin Herrenschmidt
Browse files

powerpc: Provide __bswapdi2 



Some versions of GCC apparently expect this to be provided by libgcc.

Updates from Mikey to fix 32 bit version and adding "r" to registers.

Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent b2b48584

arch/powerpc/kernel/misc_32.S

+11 −0
Original line number Diff line number Diff line
@@ -657,6 +657,17 @@ _GLOBAL(__ucmpdi2) 
	li	r3,2

	blr



_GLOBAL(__bswapdi2)

	rotlwi  r9,r4,8

	rotlwi  r10,r3,8

	rlwimi  r9,r4,24,0,7

	rlwimi  r10,r3,24,0,7

	rlwimi  r9,r4,24,16,23

	rlwimi  r10,r3,24,16,23

	mr      r3,r9

	mr      r4,r10

	blr



_GLOBAL(abs)

	srawi	r4,r3,31

	xor	r3,r3,r4

arch/powerpc/kernel/misc_64.S

+11 −0
Original line number Diff line number Diff line
@@ -234,6 +234,17 @@ _GLOBAL(__flush_dcache_icache) 
	isync

	blr



_GLOBAL(__bswapdi2)

	srdi	r8,r3,32

	rlwinm	r7,r3,8,0xffffffff

	rlwimi	r7,r3,24,0,7

	rlwinm	r9,r8,8,0xffffffff

	rlwimi	r7,r3,24,16,23

	rlwimi	r9,r8,24,0,7

	rlwimi	r9,r8,24,16,23

	sldi	r7,r7,32

	or	r3,r7,r9

	blr



#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE)

/*

arch/powerpc/kernel/ppc_ksyms.c

+2 −1
Original line number Diff line number Diff line
@@ -143,7 +143,8 @@ EXPORT_SYMBOL(__lshrdi3); 
int __ucmpdi2(unsigned long long, unsigned long long);

EXPORT_SYMBOL(__ucmpdi2);

#endif



long long __bswapdi2(long long);

EXPORT_SYMBOL(__bswapdi2);

EXPORT_SYMBOL(memcpy);

EXPORT_SYMBOL(memset);

EXPORT_SYMBOL(memmove);