The branch stable/15 has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=93416f1df71a6c4b7b3949d553edd9f19fd21881
commit 93416f1df71a6c4b7b3949d553edd9f19fd21881 Author: Andrew Turner <[email protected]> AuthorDate: 2025-09-22 17:08:25 +0000 Commit: Andrew Turner <[email protected]> CommitDate: 2026-01-13 14:06:18 +0000 arm64: Add more counter/timer registers These will be used to support the Enhanced Counter Virtualization Extensions: FEAT_ECV and FEAT_ECV_POFF. The former adds Self-Synchronized registers, and the latter adds support for an offset for the physical counter. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D51819 (cherry picked from commit e38e04a0ba3fdcdc2f3238bf4d962f65fadf527f) --- sys/arm64/include/armreg.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h index 9d263b4edc09..393d6d89da0c 100644 --- a/sys/arm64/include/armreg.h +++ b/sys/arm64/include/armreg.h @@ -232,6 +232,14 @@ #define CNTP_CTL_IMASK (1 << 1) #define CNTP_CTL_ISTATUS (1 << 2) +/* CNTP_CTL_EL02 - Counter-timer Physical Timer Control register */ +#define CNTP_CTL_EL02_REG MRS_REG_ALT_NAME(CNTP_CTL_EL02) +#define CNTP_CTL_EL02_op0 3 +#define CNTP_CTL_EL02_op1 5 +#define CNTP_CTL_EL02_CRn 14 +#define CNTP_CTL_EL02_CRm 2 +#define CNTP_CTL_EL02_op2 1 + /* CNTP_CVAL_EL0 - Counter-timer Physical Timer CompareValue register */ #define CNTP_CVAL_EL0_op0 3 #define CNTP_CVAL_EL0_op1 3 @@ -239,6 +247,14 @@ #define CNTP_CVAL_EL0_CRm 2 #define CNTP_CVAL_EL0_op2 2 +/* CNTP_CVAL_EL02 - Counter-timer Physical Timer CompareValue register */ +#define CNTP_CVAL_EL02_REG MRS_REG_ALT_NAME(CNTP_CVAL_EL02) +#define CNTP_CVAL_EL02_op0 3 +#define CNTP_CVAL_EL02_op1 5 +#define CNTP_CVAL_EL02_CRn 14 +#define CNTP_CVAL_EL02_CRm 2 +#define CNTP_CVAL_EL02_op2 2 + /* CNTP_TVAL_EL0 - Counter-timer Physical Timer TimerValue register */ #define CNTP_TVAL_EL0_op0 3 #define CNTP_TVAL_EL0_op1 3 @@ -254,6 +270,14 @@ #define CNTPCT_EL0_CRm 0 #define CNTPCT_EL0_op2 1 +/* CNTPCTSS_EL0 - Counter-timer Self-Synchronized Physical Count register */ +#define CNTPCTSS_EL0_REG MRS_REG_ALT_NAME(CNTPCTSS_EL0) +#define CNTPCTSS_EL0_op0 3 +#define CNTPCTSS_EL0_op1 3 +#define CNTPCTSS_EL0_CRn 14 +#define CNTPCTSS_EL0_CRm 0 +#define CNTPCTSS_EL0_op2 5 + /* CNTV_CTL_EL0 - Counter-timer Virtual Timer Control register */ #define CNTV_CTL_EL0_op0 3 #define CNTV_CTL_EL0_op1 3 @@ -282,6 +306,14 @@ #define CNTV_CVAL_EL02_CRm 3 #define CNTV_CVAL_EL02_op2 2 +/* CNTVCTSS_EL0 - Counter-timer Self-Synchronized Virtual Count register */ +#define CNTVCTSS_EL0_REG MRS_REG_ALT_NAME(CNTVCTSS_EL0) +#define CNTVCTSS_EL0_op0 3 +#define CNTVCTSS_EL0_op1 3 +#define CNTVCTSS_EL0_CRn 14 +#define CNTVCTSS_EL0_CRm 0 +#define CNTVCTSS_EL0_op2 6 + /* CONTEXTIDR_EL1 - Context ID register */ #define CONTEXTIDR_EL1_REG MRS_REG_ALT_NAME(CONTEXTIDR_EL1) #define CONTEXTIDR_EL1_op0 3
