| Message ID | 1583807731-16484-4-git-send-email-bmeng.cn@gmail.com |
|---|---|
| State | Accepted |
| Commit | 1e32715602d3da294eaf4e70542c4be65e77a839 |
| Headers | show |
| Series | riscv: Add new SBI v0.2 extensions support | expand |
Hi Bin, >-----Original Message----- >From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Bin Meng >Sent: 10 March 2020 08:05 >To: Rick Chen <rick at andestech.com>; Anup Patel <anup.patel at wdc.com>; >Atish Patra <atish.patra at wdc.com>; Lukas Auer ><lukas.auer at aisec.fraunhofer.de>; U-Boot Mailing List <u- >boot at lists.denx.de> >Subject: [PATCH 3/5] riscv: Add SBI v0.2 extension definitions > >Few v0.1 SBI calls are being replaced by new SBI calls that follows >v0.2 calling convention. > >This patch just defines these new extensions. > >This commit is inspired from Linux kernel patch: >https://patchwork.kernel.org/patch/11407359/ > >Signed-off-by: Bin Meng <bmeng.cn at gmail.com> >--- > > arch/riscv/include/asm/sbi.h | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > >diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index >fc8637c..6d3114c 100644 >--- a/arch/riscv/include/asm/sbi.h >+++ b/arch/riscv/include/asm/sbi.h >@@ -22,6 +22,9 @@ enum sbi_ext_id { > SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7, > SBI_EXT_0_1_SHUTDOWN = 0x8, > SBI_EXT_BASE = 0x10, >+ SBI_EXT_TIME = 0x54494D45, >+ SBI_EXT_IPI = 0x735049, >+ SBI_EXT_RFENCE = 0x52464E43, > }; > > enum sbi_ext_base_fid { >@@ -34,6 +37,20 @@ enum sbi_ext_base_fid { > SBI_EXT_BASE_GET_MIMPID, > }; > >+enum sbi_ext_time_fid { >+ SBI_EXT_TIME_SET_TIMER = 0, >+}; >+ >+enum sbi_ext_ipi_fid { >+ SBI_EXT_IPI_SEND_IPI = 0, >+}; >+ >+enum sbi_ext_rfence_fid { >+ SBI_EXT_RFENCE_REMOTE_FENCE_I = 0, >+ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA, >+ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID, >+}; >+ > #define SBI_SPEC_VERSION_DEFAULT 0x1 > #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 > #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f Reviewed-by: Pragnesh Patel <pragnesh.patel at sifive.com> >-- >2.7.4
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index fc8637c..6d3114c 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -22,6 +22,9 @@ enum sbi_ext_id { SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7, SBI_EXT_0_1_SHUTDOWN = 0x8, SBI_EXT_BASE = 0x10, + SBI_EXT_TIME = 0x54494D45, + SBI_EXT_IPI = 0x735049, + SBI_EXT_RFENCE = 0x52464E43, }; enum sbi_ext_base_fid { @@ -34,6 +37,20 @@ enum sbi_ext_base_fid { SBI_EXT_BASE_GET_MIMPID, }; +enum sbi_ext_time_fid { + SBI_EXT_TIME_SET_TIMER = 0, +}; + +enum sbi_ext_ipi_fid { + SBI_EXT_IPI_SEND_IPI = 0, +}; + +enum sbi_ext_rfence_fid { + SBI_EXT_RFENCE_REMOTE_FENCE_I = 0, + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA, + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID, +}; + #define SBI_SPEC_VERSION_DEFAULT 0x1 #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
Few v0.1 SBI calls are being replaced by new SBI calls that follows v0.2 calling convention. This patch just defines these new extensions. This commit is inspired from Linux kernel patch: https://patchwork.kernel.org/patch/11407359/ Signed-off-by: Bin Meng <bmeng.cn at gmail.com> --- arch/riscv/include/asm/sbi.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)