linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Greentime Hu <greentime.hu@sifive.com>
To: greentime.hu@sifive.com, oleg@redhat.com,
	guoren@linux.alibaba.com, vincent.chen@sifive.com,
	paul.walmsley@sifive.com, palmerdabbelt@google.com,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Guo Ren <guoren@kernel.org>
Subject: [PATCH 05/13] riscv: Add new csr defines related to vector extension
Date: Fri, 12 Jun 2020 15:09:54 +0800	[thread overview]
Message-ID: <cdab13bac12143f171bc7cc98b1b511f3a536ccb.1591344965.git.greentime.hu@sifive.com> (raw)
In-Reply-To: <cover.1591344965.git.greentime.hu@sifive.com>

Follow the riscv vector spec to add new csr numbers.

[guoren@linux.alibaba.com: first porting for new vector related csr]
Signed-off-by: Greentime Hu <greentime.hu@sifive.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Acked-by: Guo Ren <guoren@kernel.org>
---
 arch/riscv/include/asm/csr.h | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 8e18d2c64399..cc13626c4bbe 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -24,6 +24,12 @@
 #define SR_FS_CLEAN	_AC(0x00004000, UL)
 #define SR_FS_DIRTY	_AC(0x00006000, UL)
 
+#define SR_VS           _AC(0x00000600, UL) /* Vector Status */
+#define SR_VS_OFF       _AC(0x00000000, UL)
+#define SR_VS_INITIAL   _AC(0x00000200, UL)
+#define SR_VS_CLEAN     _AC(0x00000400, UL)
+#define SR_VS_DIRTY     _AC(0x00000600, UL)
+
 #define SR_XS		_AC(0x00018000, UL) /* Extension Status */
 #define SR_XS_OFF	_AC(0x00000000, UL)
 #define SR_XS_INITIAL	_AC(0x00008000, UL)
@@ -31,9 +37,9 @@
 #define SR_XS_DIRTY	_AC(0x00018000, UL)
 
 #ifndef CONFIG_64BIT
-#define SR_SD		_AC(0x80000000, UL) /* FS/XS dirty */
+#define SR_SD		_AC(0x80000000, UL) /* FS/VS/XS dirty */
 #else
-#define SR_SD		_AC(0x8000000000000000, UL) /* FS/XS dirty */
+#define SR_SD		_AC(0x8000000000000000, UL) /* FS/VS/XS dirty */
 #endif
 
 /* SATP flags */
@@ -114,6 +120,12 @@
 #define CSR_PMPADDR0		0x3b0
 #define CSR_MHARTID		0xf14
 
+#define CSR_VSTART		0x8
+#define CSR_VCSR		0xf
+#define CSR_VL			0xc20
+#define CSR_VTYPE		0xc21
+#define CSR_VLENB		0xc22
+
 #ifdef CONFIG_RISCV_M_MODE
 # define CSR_STATUS	CSR_MSTATUS
 # define CSR_IE		CSR_MIE
-- 
2.27.0


  parent reply	other threads:[~2020-06-12  7:11 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-12  7:09 [PATCH v6 00/13] riscv: Add vector ISA support Greentime Hu
2020-06-12  7:09 ` [PATCH 01/13] ptrace: Use regset_size() for dynamic regset Greentime Hu
2020-06-12  7:09 ` [PATCH 02/13] riscv: Separate patch for cflags and aflags Greentime Hu
2020-06-12  7:09 ` [PATCH 03/13] riscv: Rename __switch_to_aux -> fpu Greentime Hu
2020-06-12  7:09 ` [PATCH 04/13] riscv: Extending cpufeature.c to detect V-extension Greentime Hu
2020-06-12  7:09 ` Greentime Hu [this message]
2020-06-12  7:09 ` [PATCH 06/13] riscv: Add vector feature to compile Greentime Hu
2020-06-12  7:09 ` [PATCH 07/13] riscv: Add has_vector/riscv_vsize to save vector features Greentime Hu
2020-06-12  7:09 ` [PATCH 08/13] riscv: Reset vector register Greentime Hu
2020-06-12  7:09 ` [PATCH 09/13] riscv: Add vector struct and assembler definitions Greentime Hu
2020-06-12  7:09 ` [PATCH 10/13] riscv: Add task switch support for vector Greentime Hu
2020-06-12  7:10 ` [PATCH 11/13] riscv: Add ptrace vector support Greentime Hu
2020-06-12  7:10 ` [PATCH 12/13] riscv: Add sigcontext save/restore for vector Greentime Hu
2020-06-12  7:10 ` [PATCH 13/13] riscv: signal: Report signal frame size to userspace via auxv Greentime Hu

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=cdab13bac12143f171bc7cc98b1b511f3a536ccb.1591344965.git.greentime.hu@sifive.com \
    --to=greentime.hu@sifive.com \
    --cc=guoren@kernel.org \
    --cc=guoren@linux.alibaba.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=oleg@redhat.com \
    --cc=palmerdabbelt@google.com \
    --cc=paul.walmsley@sifive.com \
    --cc=vincent.chen@sifive.com \
    /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).