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Iglesias" To: xen-devel@lists.xenproject.org Cc: sstabellini@kernel.org, julien@xen.org, bertrand.marquis@arm.com, michal.orzel@amd.com, Volodymyr_Babchuk@epam.com, jbeulich@suse.com, edgar.iglesias@amd.com Subject: [RFC PATCH v1 2/2] xen/arm64: entry: Add missing code symbol annotations Date: Wed, 10 Apr 2024 11:19:47 +0200 Message-Id: <20240410091947.1498695-3-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240410091947.1498695-1-edgar.iglesias@gmail.com> References: <20240410091947.1498695-1-edgar.iglesias@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1712741547450100003 Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" Add missing code symbol annotations. Signed-off-by: Edgar E. Iglesias --- xen/arch/arm/arm64/entry.S | 60 ++++++++++++++++++++++++++------------ 1 file changed, 42 insertions(+), 18 deletions(-) diff --git a/xen/arch/arm/arm64/entry.S b/xen/arch/arm/arm64/entry.S index 6188dd2416..af9a592cae 100644 --- a/xen/arch/arm/arm64/entry.S +++ b/xen/arch/arm/arm64/entry.S @@ -289,21 +289,25 @@ b do_bad_mode .endm =20 -hyp_sync_invalid: +FUNC_LOCAL(hyp_sync_invalid) entry hyp=3D1 invalid BAD_SYNC +END(hyp_sync_invalid) =20 -hyp_irq_invalid: +FUNC_LOCAL(hyp_irq_invalid) entry hyp=3D1 invalid BAD_IRQ +END(hyp_irq_invalid) =20 -hyp_fiq_invalid: +FUNC_LOCAL(hyp_fiq_invalid) entry hyp=3D1 invalid BAD_FIQ +END(hyp_fiq_invalid) =20 -hyp_error_invalid: +FUNC_LOCAL(hyp_error_invalid) entry hyp=3D1 invalid BAD_ERROR +END(hyp_error_invalid) =20 /* * SError received while running in the hypervisor mode. @@ -313,11 +317,12 @@ hyp_error_invalid: * simplicity, as SError should be rare and potentially fatal, * all interrupts are kept masked. */ -hyp_error: +FUNC_LOCAL(hyp_error) entry hyp=3D1 mov x0, sp bl do_trap_hyp_serror exit hyp=3D1 +END(hyp_error) =20 /* * Synchronous exception received while running in the hypervisor mode. @@ -327,7 +332,7 @@ hyp_error: * some of them. So we want to inherit the state from the interrupted * context. */ -hyp_sync: +FUNC_LOCAL(hyp_sync) entry hyp=3D1 =20 /* Inherit interrupts */ @@ -338,6 +343,7 @@ hyp_sync: mov x0, sp bl do_trap_hyp_sync exit hyp=3D1 +END(hyp_sync) =20 /* * IRQ received while running in the hypervisor mode. @@ -352,7 +358,7 @@ hyp_sync: * would require some rework in some paths (e.g. panic, livepatch) to * ensure the ordering is enforced everywhere. */ -hyp_irq: +FUNC_LOCAL(hyp_irq) entry hyp=3D1 =20 /* Inherit D, A, F interrupts and keep I masked */ @@ -365,8 +371,9 @@ hyp_irq: mov x0, sp bl do_trap_irq exit hyp=3D1 +END(hyp_irq) =20 -guest_sync: +FUNC_LOCAL(guest_sync) /* * Save x0, x1 in advance */ @@ -413,8 +420,9 @@ fastpath_out_workaround: mov x1, xzr eret sb +END(guest_sync) =20 -wa2_ssbd: +FUNC_LOCAL(wa2_ssbd) #ifdef CONFIG_ARM_SSBD alternative_cb arm_enable_wa2_handling b wa2_end @@ -450,42 +458,55 @@ wa2_end: mov x0, xzr eret sb -guest_sync_slowpath: +END(wa2_ssbd) + +FUNC_LOCAL(guest_sync_slowpath) /* * x0/x1 may have been scratch by the fast path above, so avoid * to save them. */ guest_vector compat=3D0, iflags=3DIFLAGS__AI_, trap=3Dguest_sync, = save_x0_x1=3D0 +END(guest_sync_slowpath) =20 -guest_irq: +FUNC_LOCAL(guest_irq) guest_vector compat=3D0, iflags=3DIFLAGS__A__, trap=3Dirq +END(guest_irq) =20 -guest_fiq_invalid: +FUNC_LOCAL(guest_fiq_invalid) entry hyp=3D0, compat=3D0 invalid BAD_FIQ +END(guest_fiq_invalid) =20 -guest_error: +FUNC_LOCAL(guest_error) guest_vector compat=3D0, iflags=3DIFLAGS__AI_, trap=3Dguest_serror +END(guest_error) =20 -guest_sync_compat: +FUNC_LOCAL(guest_sync_compat) guest_vector compat=3D1, iflags=3DIFLAGS__AI_, trap=3Dguest_sync +END(guest_sync_compat) =20 -guest_irq_compat: +FUNC_LOCAL(guest_irq_compat) guest_vector compat=3D1, iflags=3DIFLAGS__A__, trap=3Dirq +END(guest_irq_compat) =20 -guest_fiq_invalid_compat: +FUNC_LOCAL(guest_fiq_invalid_compat) entry hyp=3D0, compat=3D1 invalid BAD_FIQ +END(guest_fiq_invalid_compat) =20 -guest_error_compat: +FUNC_LOCAL(guest_error_compat) guest_vector compat=3D1, iflags=3DIFLAGS__AI_, trap=3Dguest_serror +END(guest_error_compat) =20 FUNC(return_to_new_vcpu32) exit hyp=3D0, compat=3D1 +END(return_to_new_vcpu32) + FUNC(return_to_new_vcpu64) exit hyp=3D0, compat=3D0 +END(return_to_new_vcpu64) =20 -return_from_trap: +FUNC_LOCAL(return_from_trap) msr daifset, #IFLAGS___I_ /* Mask interrupts */ =20 ldr x21, [sp, #UREGS_PC] /* load ELR */ @@ -524,6 +545,7 @@ return_from_trap: =20 eret sb +END(return_from_trap) =20 /* * Consume pending SError generated by the guest if any. @@ -617,6 +639,7 @@ FUNC(hyp_traps_vector) ventry guest_irq_compat /* IRQ 32-bit EL0/EL1 */ ventry guest_fiq_invalid_compat /* FIQ 32-bit EL0/EL1 */ ventry guest_error_compat /* Error 32-bit EL0/EL1 */ +END(hyp_traps_vector) =20 /* * struct vcpu *__context_switch(struct vcpu *prev, struct vcpu *next) @@ -647,6 +670,7 @@ FUNC(__context_switch) ldr lr, [x8] mov sp, x9 ret +END(__context_switch) =20 /* * Local variables: --=20 2.40.1