From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: linuxppc-dev@ozlabs.org
Subject: [PATCH v2 01/10] powerpc: Add more PPC bit conversion macros
Date: Wed, 5 Apr 2017 17:54:47 +1000 [thread overview]
Message-ID: <20170405075456.13561-1-benh@kernel.crashing.org> (raw)
Add 32 and 8 bit variants
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
arch/powerpc/include/asm/bitops.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index bc5fdfd..33a24fd 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -55,6 +55,14 @@
#define PPC_BITEXTRACT(bits, ppc_bit, dst_bit) \
((((bits) >> PPC_BITLSHIFT(ppc_bit)) & 1) << (dst_bit))
+#define PPC_BITLSHIFT32(be) (32 - 1 - (be))
+#define PPC_BIT32(bit) (1UL << PPC_BITLSHIFT32(bit))
+#define PPC_BITMASK32(bs, be) ((PPC_BIT32(bs) - PPC_BIT32(be))|PPC_BIT32(bs))
+
+#define PPC_BITLSHIFT8(be) (8 - 1 - (be))
+#define PPC_BIT8(bit) (1UL << PPC_BITLSHIFT8(bit))
+#define PPC_BITMASK8(bs, be) ((PPC_BIT8(bs) - PPC_BIT8(be))|PPC_BIT8(bs))
+
#include <asm/barrier.h>
/* Macro for generating the ***_bits() functions */
--
2.9.3
next reply other threads:[~2017-04-05 7:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-05 7:54 Benjamin Herrenschmidt [this message]
2017-04-05 7:54 ` [PATCH v2 02/10] powerpc: Add optional smp_ops->prepare_cpu SMP callback Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 03/10] powerpc/smp: Remove migrate_irq() custom implementation Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 04/10] powerpc/xive: Native exploitation of the XIVE interrupt controller Benjamin Herrenschmidt
2017-04-05 22:46 ` kbuild test robot
2017-04-05 23:00 ` Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 05/10] powerpc/kvm: Massage order of #include Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 06/10] powerpc/kvm: Make kvmppc_xics_create_icp static Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 07/10] powerpc/kvm: Remove obsolete kvm_vm_ioctl_xics_irq declaration Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 08/10] powerpc: Consolidate variants of real-mode MMIOs Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 09/10] powerpc: Fixup LPCR:PECE and HEIC setting on POWER9 Benjamin Herrenschmidt
2017-04-05 7:54 ` [PATCH v2 10/10] powerpc/kvm: Native usage of the XIVE interrupt controller Benjamin Herrenschmidt
2017-04-06 0:00 ` kbuild test robot
2017-04-12 11:40 ` [v2,01/10] powerpc: Add more PPC bit conversion macros Michael Ellerman
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