Re: [PATCH 06/27] arm64: Add debug registers affected by HDFGxTR_EL2

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Hi Marc,

On 7/12/23 16:57, Marc Zyngier wrote:
> The HDFGxTR_EL2 registers trap a (huge) set of debug and trace
> related registers. Add their encodings (and only that, because
> we really don't care about what these registers actually do at
> this stage).
>
> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
> ---
>  arch/arm64/include/asm/sysreg.h | 78 +++++++++++++++++++++++++++++++++
>  1 file changed, 78 insertions(+)
>
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 76289339b43b..9dfd127be55a 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -194,6 +194,84 @@
>  #define SYS_DBGDTRTX_EL0		sys_reg(2, 3, 0, 5, 0)*
>  #define SYS_DBGVCR32_EL2		sys_reg(2, 4, 0, 7, 0)*
>  
> +#define SYS_BRBINF_EL1(n)		sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0))*
> +#define SYS_BRBINFINJ_EL1		sys_reg(2, 1, 9, 1, 0)*
> +#define SYS_BRBSRC_EL1(n)		sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1))*
> +#define SYS_BRBSRCINJ_EL1		sys_reg(2, 1, 9, 1, 1)*
> +#define SYS_BRBTGT_EL1(n)		sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2))*
> +#define SYS_BRBTGTINJ_EL1		sys_reg(2, 1, 9, 1, 2)*
> +#define SYS_BRBTS_EL1			sys_reg(2, 1, 9, 0, 2)*
> +
> +#define SYS_BRBCR_EL1			sys_reg(2, 1, 9, 0, 0)*
> +#define SYS_BRBFCR_EL1			sys_reg(2, 1, 9, 0, 1)*
> +#define SYS_BRBIDR0_EL1			sys_reg(2, 1, 9, 2, 0)*
> +
> +#define SYS_TRCITECR_EL1		sys_reg(3, 0, 1, 2, 3)
> +#define SYS_TRCITECR_EL1		sys_reg(3, 0, 1, 2, 3)
I cannot find this one - which is duplicated by the way - in DDI0487Jaa
> +#define SYS_TRCACATR(m)			sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3)))*
> +#define SYS_TRCACVR(m)			sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3)))*
> +#define SYS_TRCAUTHSTATUS		sys_reg(2, 1, 7, 14, 6)*
> +#define SYS_TRCAUXCTLR			sys_reg(2, 1, 0, 6, 0)*
> +#define SYS_TRCBBCTLR			sys_reg(2, 1, 0, 15, 0)*
> +#define SYS_TRCCCCTLR			sys_reg(2, 1, 0, 14, 0)*
> +#define SYS_TRCCIDCCTLR0		sys_reg(2, 1, 3, 0, 2)*
> +#define SYS_TRCCIDCCTLR1		sys_reg(2, 1, 3, 1, 2)*
> +#define SYS_TRCCIDCVR(m)		sys_reg(2, 1, 3, ((m & 7) << 1), 0)*
> +#define SYS_TRCCLAIMCLR			sys_reg(2, 1, 7, 9, 6)*
> +#define SYS_TRCCLAIMSET			sys_reg(2, 1, 7, 8, 6)*
> +#define SYS_TRCCNTCTLR(m)		sys_reg(2, 1, 0, (4 | (m & 3)), 5)*
> +#define SYS_TRCCNTRLDVR(m)		sys_reg(2, 1, 0, (0 | (m & 3)), 5)*
> +#define SYS_TRCCNTVR(m)			sys_reg(2, 1, 0, (8 | (m & 3)), 5)*
> +#define SYS_TRCCONFIGR			sys_reg(2, 1, 0, 4, 0)*
> +#define SYS_TRCDEVARCH			sys_reg(2, 1, 7, 15, 6)*
> +#define SYS_TRCDEVID			sys_reg(2, 1, 7, 2, 7)*
> +#define SYS_TRCEVENTCTL0R		sys_reg(2, 1, 0, 8, 0)*
> +#define SYS_TRCEVENTCTL1R		sys_reg(2, 1, 0, 9, 0)*
> +#define SYS_TRCEXTINSELR(m)		sys_reg(2, 1, 0, (8 | (m & 3)), 4)*
> +#define SYS_TRCIDR0			sys_reg(2, 1, 0, 8, 7)*
> +#define SYS_TRCIDR10			sys_reg(2, 1, 0, 2, 6)*
> +#define SYS_TRCIDR11			sys_reg(2, 1, 0, 3, 6)*
> +#define SYS_TRCIDR12			sys_reg(2, 1, 0, 4, 6)*
> +#define SYS_TRCIDR13			sys_reg(2, 1, 0, 5, 6)*
> +#define SYS_TRCIDR1			sys_reg(2, 1, 0, 9, 7)*
> +#define SYS_TRCIDR2			sys_reg(2, 1, 0, 10, 7)*
> +#define SYS_TRCIDR3			sys_reg(2, 1, 0, 11, 7)*
> +#define SYS_TRCIDR4			sys_reg(2, 1, 0, 12, 7)*
> +#define SYS_TRCIDR5			sys_reg(2, 1, 0, 13, 7)*
> +#define SYS_TRCIDR6			sys_reg(2, 1, 0, 14, 7)*
> +#define SYS_TRCIDR7			sys_reg(2, 1, 0, 15, 7)*
> +#define SYS_TRCIDR8			sys_reg(2, 1, 0, 0, 6)*
> +#define SYS_TRCIDR9			sys_reg(2, 1, 0, 1, 6)*
> +#define SYS_TRCIMSPEC0			sys_reg(2, 1, 0, 0, 7)*
> +#define SYS_TRCIMSPEC(m)		sys_reg(2, 1, 0, (m & 7), 7)*
> +#define SYS_TRCITEEDCR			sys_reg(2, 1, 0, 2, 1)
I cannot find this one in D18-1 or elsewhere in DDI0487Jaa
> +#define SYS_TRCOSLSR			sys_reg(2, 1, 1, 1, 4)*
> +#define SYS_TRCPRGCTLR			sys_reg(2, 1, 0, 1, 0)*
> +#define SYS_TRCQCTLR			sys_reg(2, 1, 0, 1, 1)*
> +#define SYS_TRCRSCTLR(m)		sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4)))*
> +#define SYS_TRCRSR			sys_reg(2, 1, 0, 10, 0)*
> +#define SYS_TRCSEQEVR(m)		sys_reg(2, 1, 0, (m & 3), 4)*
> +#define SYS_TRCSEQRSTEVR		sys_reg(2, 1, 0, 6, 4)*
> +#define SYS_TRCSEQSTR			sys_reg(2, 1, 0, 7, 4)*
> +#define SYS_TRCSSCCR(m)			sys_reg(2, 1, 1, (m & 7), 2)*
> +#define SYS_TRCSSCSR(m)			sys_reg(2, 1, 1, (8 | (m & 7)), 2)*
> +#define SYS_TRCSSPCICR(m)		sys_reg(2, 1, 1, (m & 7), 3)*
> +#define SYS_TRCSTALLCTLR		sys_reg(2, 1, 0, 11, 0)*
> +#define SYS_TRCSTATR			sys_reg(2, 1, 0, 3, 0)*
> +#define SYS_TRCSYNCPR			sys_reg(2, 1, 0, 13, 0)*
> +#define SYS_TRCTRACEIDR			sys_reg(2, 1, 0, 0, 1)*
> +#define SYS_TRCTSCTLR			sys_reg(2, 1, 0, 12, 0)*
> +#define SYS_TRCVICTLR			sys_reg(2, 1, 0, 0, 2)*
> +#define SYS_TRCVIIECTLR			sys_reg(2, 1, 0, 1, 2)*
> +#define SYS_TRCVIPCSSCTLR		sys_reg(2, 1, 0, 3, 2)*
> +#define SYS_TRCVISSCTLR			sys_reg(2, 1, 0, 2, 2)*
> +#define SYS_TRCVMIDCCTLR0		sys_reg(2, 1, 3, 2, 2)*
> +#define SYS_TRCVMIDCCTLR1		sys_reg(2, 1, 3, 3, 2)*
> +#define SYS_TRCVMIDCVR(m)		sys_reg(2, 1, 3, ((m & 7) << 1), 1)*
> +
> +/* ETM */
> +#define SYS_TRCOSLAR			sys_reg(2, 1, 1, 0, 4)
not able to locate this one either. I see the bit of HDFGWTR_EL2 though

Eric
> +
>  #define SYS_MIDR_EL1			sys_reg(3, 0, 0, 0, 0)
>  #define SYS_MPIDR_EL1			sys_reg(3, 0, 0, 0, 5)
>  #define SYS_REVIDR_EL1			sys_reg(3, 0, 0, 0, 6)




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