Message ID | 1491383361-22886-3-git-send-email-Wei.Chen@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Ip=[217.140.96.140]; Helo=[nebula.arm.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB4PR08MB0013 Cc: sstabellini@kernel.org, wei.chen@arm.com, steve.capper@arm.com, Kaly.Xin@arm.com, julien.grall@arm.com, nd@arm.com Subject: [Xen-devel] [PATCH v4 02/19] xen/arm: Introduce a helper to get default HCR_EL2 flags X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion <xen-devel.lists.xen.org> List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>, <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe> List-Post: <mailto:xen-devel@lists.xen.org> List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help> List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xen.org?subject=subscribe> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org> X-Virus-Scanned: ClamAV using ClamSMTP |
diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c index f7fca37..ebe25c6 100644 --- a/xen/arch/arm/traps.c +++ b/xen/arch/arm/traps.c @@ -136,6 +136,13 @@ static int __init vwfi_init(void) } presmp_initcall(vwfi_init); +register_t get_default_hcr_flags(void) +{ + return (HCR_PTW|HCR_BSU_INNER|HCR_AMO|HCR_IMO|HCR_FMO|HCR_VM| + (vwfi != NATIVE ? (HCR_TWI|HCR_TWE) : 0) | + HCR_TSC|HCR_TAC|HCR_SWIO|HCR_TIDCP|HCR_FB); +} + void init_traps(void) { /* Setup Hyp vector base */ @@ -160,9 +167,7 @@ void init_traps(void) CPTR_EL2); /* Setup hypervisor traps */ - WRITE_SYSREG(HCR_PTW|HCR_BSU_INNER|HCR_AMO|HCR_IMO|HCR_FMO|HCR_VM| - (vwfi != NATIVE ? (HCR_TWI|HCR_TWE) : 0) | - HCR_TSC|HCR_TAC|HCR_SWIO|HCR_TIDCP|HCR_FB,HCR_EL2); + WRITE_SYSREG(get_default_hcr_flags(), HCR_EL2); isb(); } diff --git a/xen/include/asm-arm/processor.h b/xen/include/asm-arm/processor.h index afc0e9a..4b6338b 100644 --- a/xen/include/asm-arm/processor.h +++ b/xen/include/asm-arm/processor.h @@ -708,6 +708,8 @@ int call_smc(register_t function_id, register_t arg0, register_t arg1, void do_trap_guest_error(struct cpu_user_regs *regs); +register_t get_default_hcr_flags(void); + #endif /* __ASSEMBLY__ */ #endif /* __ASM_ARM_PROCESSOR_H */ /*