Looks reasonable to me. Reviewed-by: Andrei Warkentin <andrei.warken...@intel.com>
> -----Original Message----- > From: Tuan Phan <tp...@ventanamicro.com> > Sent: Friday, April 14, 2023 1:58 PM > To: devel@edk2.groups.io > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; > suni...@ventanamicro.com; g...@danielschaefer.me; Warkentin, Andrei > <andrei.warken...@intel.com>; Tuan Phan <tp...@ventanamicro.com> > Subject: [PATCH v2 1/6] MdePkg/BaseLib: RISC-V: Support getting satp > register value > > Add an API to retrieve satp register value. > > Signed-off-by: Tuan Phan <tp...@ventanamicro.com> > --- > MdePkg/Include/Library/BaseLib.h | 5 +++++ > MdePkg/Library/BaseLib/RiscV64/RiscVMmu.S | 8 ++++++++ > 2 files changed, 13 insertions(+) > > diff --git a/MdePkg/Include/Library/BaseLib.h > b/MdePkg/Include/Library/BaseLib.h > index 8f2df76c29a3..5d7067ee854e 100644 > --- a/MdePkg/Include/Library/BaseLib.h > +++ b/MdePkg/Include/Library/BaseLib.h > @@ -181,6 +181,11 @@ RiscVSetSupervisorAddressTranslationRegister ( > IN UINT64 > > ); > > > > +UINT64 > > +RiscVGetSupervisorAddressTranslationRegister ( > > + VOID > > + ); > > + > > UINT64 > > RiscVReadTimer ( > > VOID > > diff --git a/MdePkg/Library/BaseLib/RiscV64/RiscVMmu.S > b/MdePkg/Library/BaseLib/RiscV64/RiscVMmu.S > index ac8f92f38aed..c9cf60c1664b 100644 > --- a/MdePkg/Library/BaseLib/RiscV64/RiscVMmu.S > +++ b/MdePkg/Library/BaseLib/RiscV64/RiscVMmu.S > @@ -21,3 +21,11 @@ > ASM_FUNC (RiscVSetSupervisorAddressTranslationRegister) > > csrw CSR_SATP, a0 > > ret > > + > > +// > > +// Get the value of Supervisor Address Translation and > > +// Protection Register. > > +// > > +ASM_FUNC (RiscVGetSupervisorAddressTranslationRegister) > > + csrr a0, CSR_SATP > > + ret > > -- > 2.25.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#103168): https://edk2.groups.io/g/devel/message/103168 Mute This Topic: https://groups.io/mt/98269072/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
