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From: Nick Hu <nick.hu@sifive.com>
To: opensbi@lists.infradead.org
Cc: Cyan Yang <cyan.yang@sifive.com>,
	Anup Patel <anup@brainfault.org>,  Nick Hu <nick.hu@sifive.com>
Subject: [PATCH v7 05/12] lib: sbi: Add SiFive proprietary xsfcflushdlone
Date: Mon, 20 Oct 2025 14:34:07 +0800	[thread overview]
Message-ID: <20251020-cache-upstream-v7-5-69a132447d8a@sifive.com> (raw)
In-Reply-To: <20251020-cache-upstream-v7-0-69a132447d8a@sifive.com>

Using ISA string "xsfcflushdlone" to detect the support of the
SiFive L1D cache flush custom instruction.

Reviewed-by: Cyan Yang <cyan.yang@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Nick Hu <nick.hu@sifive.com>
---
 include/sbi/sbi_hart.h | 2 ++
 lib/sbi/sbi_hart.c     | 1 +
 2 files changed, 3 insertions(+)

diff --git a/include/sbi/sbi_hart.h b/include/sbi/sbi_hart.h
index 82b19dcfd4582b39e1dafb6bdb41d2fbe77dc419..fdcf400aa8c494cd941c412294bd0c118c5ec2af 100644
--- a/include/sbi/sbi_hart.h
+++ b/include/sbi/sbi_hart.h
@@ -81,6 +81,8 @@ enum sbi_hart_extensions {
 	SBI_HART_EXT_SSCTR,
 	/** HART has Ssstateen extension **/
 	SBI_HART_EXT_SSSTATEEN,
+	/** Hart has Xsfcflushdlone extension */
+	SBI_HART_EXT_XSIFIVE_CFLUSH_D_L1,
 
 	/** Maximum index of Hart extension */
 	SBI_HART_EXT_MAX,
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c
index 1b50f67198d5c2416b3db988c4ac05eba6b9cd53..4159dff54387f677d4fddcf115ebc9f9ed9be86d 100644
--- a/lib/sbi/sbi_hart.c
+++ b/lib/sbi/sbi_hart.c
@@ -715,6 +715,7 @@ const struct sbi_hart_ext_data sbi_hart_ext[] = {
 	__SBI_HART_EXT_DATA(smctr, SBI_HART_EXT_SMCTR),
 	__SBI_HART_EXT_DATA(ssctr, SBI_HART_EXT_SSCTR),
 	__SBI_HART_EXT_DATA(ssstateen, SBI_HART_EXT_SSSTATEEN),
+	__SBI_HART_EXT_DATA(xsfcflushdlone, SBI_HART_EXT_XSIFIVE_CFLUSH_D_L1),
 };
 
 _Static_assert(SBI_HART_EXT_MAX == array_size(sbi_hart_ext),

-- 
2.34.1


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  parent reply	other threads:[~2025-10-20  6:27 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-20  6:34 [PATCH v7 00/12] Add SiFive TMC0 and SMC0 driver Nick Hu
2025-10-20  6:34 ` [PATCH v7 01/12] lib: utils: Add cache flush library Nick Hu
2025-10-20  6:34 ` [PATCH v7 02/12] lib: utils: Add FDT cache library Nick Hu
2025-10-20  6:34 ` [PATCH v7 03/12] utils: cache: Add SiFive ccache controller Nick Hu
2025-10-20  6:34 ` [PATCH v7 04/12] lib: utils/cache: Add fdt cmo helpers Nick Hu
2025-10-28  5:54   ` Anup Patel
2025-10-20  6:34 ` Nick Hu [this message]
2025-10-20  6:34 ` [PATCH v7 06/12] lib: sbi: Add SiFive proprietary xsfcease Nick Hu
2025-10-20  6:34 ` [PATCH v7 07/12] lib: utils/irqchip: Add APLIC restore function Nick Hu
2025-10-20  6:34 ` [PATCH v7 08/12] lib: sbi: Extends sbi_ipi_raw_send() to use all available IPI devices Nick Hu
2025-10-28  4:59   ` Anup Patel
2025-10-20  6:34 ` [PATCH v7 09/12] lib: utils/hsm: Add SiFive TMC0 driver Nick Hu
2025-10-28  5:00   ` Anup Patel
2025-10-20  6:34 ` [PATCH v7 10/12] lib: utils/timer: Expose timer update function Nick Hu
2025-10-20  6:34 ` [PATCH v7 11/12] lib: sbi: Add system_resume callback for restoring the system Nick Hu
2025-10-28  5:01   ` Anup Patel
2025-10-20  6:34 ` [PATCH v7 12/12] lib: utils/suspend: Add SiFive SMC0 driver Nick Hu
2025-10-28  6:02 ` [PATCH v7 00/12] Add SiFive TMC0 and " Anup Patel

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