From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: linuxppc-dev@ozlabs.org, kvm-ppc@vger.kernel.org
Subject: [PATCH 03/12] powerpc: Add more PPC bit conversion macros
Date: Mon, 20 Mar 2017 17:49:05 +1100 [thread overview]
Message-ID: <20170320064914.4437-3-benh@kernel.crashing.org> (raw)
In-Reply-To: <20170320064914.4437-1-benh@kernel.crashing.org>
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 prev parent reply other threads:[~2017-03-20 6:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 6:49 [PATCH 01/12] powerpc: Disable HFSCR:TM if TM not supported Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 02/12] powerpc: Sync opal-api.h Benjamin Herrenschmidt
2017-04-04 12:20 ` Michael Ellerman
2017-04-04 13:47 ` Benjamin Herrenschmidt
2017-03-20 6:49 ` Benjamin Herrenschmidt [this message]
2017-03-20 6:49 ` [PATCH 04/12] powerpc: Add optional smp_ops->prepare_cpu SMP callback Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 05/12] powerpc/smp: Remove migrate_irq() custom implementation Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 06/12] powerpc/xive: Native exploitation of the XIVE interrupt controller Benjamin Herrenschmidt
2017-03-24 5:22 ` Paul Mackerras
2017-04-04 13:03 ` Michael Ellerman
2017-04-04 14:12 ` Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 07/12] powerpc/kvm: Massage order of #include Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 08/12] powerpc/kvm: Make kvmppc_xics_create_icp static Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 09/12] powerpc/kvm: Remove obsolete kvm_vm_ioctl_xics_irq declaration Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 10/12] powerpc: Consolidate variants of real-mode MMIOs Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 11/12] powerpc: Fixup LPCR:PECE and HEIC setting on POWER9 Benjamin Herrenschmidt
2017-03-20 6:49 ` [PATCH 12/12] powerpc/kvm: Native usage of the XIVE interrupt controller Benjamin Herrenschmidt
2017-03-28 5:26 ` Paul Mackerras
2017-04-03 2:25 ` Benjamin Herrenschmidt
2017-03-31 12:35 ` [01/12] powerpc: Disable HFSCR:TM if TM not supported Michael Ellerman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170320064914.4437-3-benh@kernel.crashing.org \
--to=benh@kernel.crashing.org \
--cc=kvm-ppc@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).