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([94.75.70.14]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5297066b249sm1344203e87.178.2024.05.29.12.55.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 May 2024 12:55:17 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 5ff10d06-1df5-11ef-90a1-e314d9c70b13 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1717012518; x=1717617318; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HT5eQZFG3kOfjlltqo/sjfVASYxX5jfFvb3QP7WAnA4=; b=j8M6/thJwD6aBd8mAkZQP6aKlla6gkO38+sWFUhn5FkbvpBcF7CVDpNcXrlQvRlL4t dWlnN8gMX6FN1RE1wQAylp6BNRY5/8tSeRaKoc1MrQqlQAylPcLkN2u5JMLsbHxD3XD2 9hSt1CjhZO5I5/f8gTXEoASwUL9spknkOcDimjaqNLce/z0egmZe/DJwnKV2Ycb37HbI 29/WuvKgwbunptpTHTTiNiBNjT6qnkvujRgsK6BYzUOXIxrHtnwFt8vrjxKQqh/qk4tc em+YVEsBMdOVLFZGuvQe44u2Z6xN6bPDq9V2TDEfYDZlMM7GJJUgGgCBEIVtcAjv5uX7 /XDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717012518; x=1717617318; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HT5eQZFG3kOfjlltqo/sjfVASYxX5jfFvb3QP7WAnA4=; b=F9Wf8OsduInVIXZc/W4GR/3pycUH2aCzObD66NLVH0/2UBGrtmKY6eIO+NLhswUWNN lWyFQtYW54M9DBeDUGOIbYvLyUOnN2+wzSNHqtmcRV6oq1kzL2NzUZThDuTfebWzY+3m D6hymlha7/rzJtkfEAPTwEs4e8jVF0p/t+DT6B5nyO1UUO2GpYf7sjpmNXoi4fmf/Xak y6B0a1AaYtMA865U2+h838VnHUExFyKerVODuBGwYakZgna1Gs0S2kK4mdtH5b0FeFaw BM4mBZhxw1oV5uXi5HsvLeL1Myj6wDBw9gHILaumRVS5KctHAUGlO/ZR/rqeAXCwUKI1 TeKQ== X-Gm-Message-State: AOJu0YyoZ21ZBil0TROmyE28SKBdqm4Wal+5lmGwBGpbFK9qK1/2bU9L TUQGPfJ5VgGU4K14cxeDt0CuaI9E1hQylXj0IQYKqgskh3H2B04Ar1P3XVup X-Google-Smtp-Source: AGHT+IENbAEXIatG6RzIfpPoL19Qek9oosir4ctTUoquQPNkD+5xNxItPVUgu7SlQtOFp7OajD8J+A== X-Received: by 2002:a05:6512:3b06:b0:52a:d87f:60e3 with SMTP id 2adb3069b0e04-52b7d48c622mr148339e87.57.1717012517792; Wed, 29 May 2024 12:55:17 -0700 (PDT) From: Oleksii Kurochko To: xen-devel@lists.xenproject.org Cc: Oleksii Kurochko , Alistair Francis , Bob Eshleman , Connor Davis , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini Subject: [PATCH v12 6/8] xen/riscv: add minimal amount of stubs to build full Xen Date: Wed, 29 May 2024 21:55:07 +0200 Message-ID: <4e5b814c3f73bd4ae6bb80296e17ac80bd8d224a.1717008161.git.oleksii.kurochko@gmail.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1717012543879100002 Content-Type: text/plain; charset="utf-8" Signed-off-by: Oleksii Kurochko Acked-by: Jan Beulich --- Changes in V7-V12: - Only rebase was done. --- Changes in V6: - update the commit in stubs.c around /* ... common/irq.c ... */ - add Acked-by: Jan Beulich --- Changes in V5: - drop unrelated changes - assert_failed("unimplmented...") change to BUG_ON() --- Changes in V4: - added new stubs which are necessary for compilation after rebase: __cpu= _up(), __cpu_disable(), __cpu_die() from smpboot.c - back changes related to printk() in early_printk() as they should be re= moved in the next patch to avoid compilation error. - update definition of cpu_khz: __read_mostly -> __ro_after_init. - drop vm_event_reset_vmtrace(). It is defibed in asm-generic/vm_event.h. - move vm_event_*() functions from stubs.c to riscv/vm_event.c. - s/BUG/BUG_ON("unimplemented") in stubs.c - back irq_actor_none() and irq_actor_none() as common/irq.c isn't compil= ed at this moment, so this function are needed to avoid compilation error. - defined max_page to avoid compilation error, it will be removed as soon= as common/page_alloc.c will be compiled. --- Changes in V3: - code style fixes. - update attribute for frametable_base_pdx and frametable_virt_end to __r= o_after_init. insteaf of read_mostly. - use BUG() instead of assert_failed/WARN for newly introduced stubs. - drop "#include " in stubs.c and use forward declarati= on instead. - drop ack_node() and end_node() as they aren't used now. --- Changes in V2: - define udelay stub - remove 'select HAS_PDX' from RISC-V Kconfig because of https://lore.kernel.org/xen-devel/20231006144405.1078260-1-andrew.cooper= 3@citrix.com/ --- xen/arch/riscv/Makefile | 1 + xen/arch/riscv/mm.c | 50 +++++ xen/arch/riscv/setup.c | 8 + xen/arch/riscv/stubs.c | 439 ++++++++++++++++++++++++++++++++++++++++ xen/arch/riscv/traps.c | 25 +++ 5 files changed, 523 insertions(+) create mode 100644 xen/arch/riscv/stubs.c diff --git a/xen/arch/riscv/Makefile b/xen/arch/riscv/Makefile index 1ed1a8369b..60afbc0ad9 100644 --- a/xen/arch/riscv/Makefile +++ b/xen/arch/riscv/Makefile @@ -4,6 +4,7 @@ obj-y +=3D mm.o obj-$(CONFIG_RISCV_64) +=3D riscv64/ obj-y +=3D sbi.o obj-y +=3D setup.o +obj-y +=3D stubs.o obj-y +=3D traps.o obj-y +=3D vm_event.o =20 diff --git a/xen/arch/riscv/mm.c b/xen/arch/riscv/mm.c index fe3a43be20..2c3fb7d72e 100644 --- a/xen/arch/riscv/mm.c +++ b/xen/arch/riscv/mm.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ =20 +#include #include #include #include @@ -14,6 +15,9 @@ #include #include =20 +unsigned long __ro_after_init frametable_base_pdx; +unsigned long __ro_after_init frametable_virt_end; + struct mmu_desc { unsigned int num_levels; unsigned int pgtbl_count; @@ -294,3 +298,49 @@ unsigned long __init calc_phys_offset(void) phys_offset =3D load_start - XEN_VIRT_START; return phys_offset; } + +void put_page(struct page_info *page) +{ + BUG_ON("unimplemented"); +} + +unsigned long get_upper_mfn_bound(void) +{ + /* No memory hotplug yet, so current memory limit is the final one. */ + return max_page - 1; +} + +void arch_dump_shared_mem_info(void) +{ + BUG_ON("unimplemented"); +} + +int populate_pt_range(unsigned long virt, unsigned long nr_mfns) +{ + BUG_ON("unimplemented"); + return -1; +} + +int xenmem_add_to_physmap_one(struct domain *d, unsigned int space, + union add_to_physmap_extra extra, + unsigned long idx, gfn_t gfn) +{ + BUG_ON("unimplemented"); + + return 0; +} + +int destroy_xen_mappings(unsigned long s, unsigned long e) +{ + BUG_ON("unimplemented"); + return -1; +} + +int map_pages_to_xen(unsigned long virt, + mfn_t mfn, + unsigned long nr_mfns, + unsigned int flags) +{ + BUG_ON("unimplemented"); + return -1; +} diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index 98a94c4c48..8bb5bdb2ae 100644 --- a/xen/arch/riscv/setup.c +++ b/xen/arch/riscv/setup.c @@ -1,11 +1,19 @@ /* SPDX-License-Identifier: GPL-2.0-only */ =20 +#include #include #include #include =20 +#include + #include =20 +void arch_get_xen_caps(xen_capabilities_info_t *info) +{ + BUG_ON("unimplemented"); +} + /* Xen stack for bringing up the first CPU. */ unsigned char __initdata cpu0_boot_stack[STACK_SIZE] __aligned(STACK_SIZE); diff --git a/xen/arch/riscv/stubs.c b/xen/arch/riscv/stubs.c new file mode 100644 index 0000000000..8285bcffef --- /dev/null +++ b/xen/arch/riscv/stubs.c @@ -0,0 +1,439 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#include +#include +#include +#include +#include +#include + +#include + +/* smpboot.c */ + +cpumask_t cpu_online_map; +cpumask_t cpu_present_map; +cpumask_t cpu_possible_map; + +/* ID of the PCPU we're running on */ +DEFINE_PER_CPU(unsigned int, cpu_id); +/* XXX these seem awfully x86ish... */ +/* representing HT siblings of each logical CPU */ +DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_sibling_mask); +/* representing HT and core siblings of each logical CPU */ +DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_mask); + +nodemask_t __read_mostly node_online_map =3D { { [0] =3D 1UL } }; + +/* + * max_page is defined in page_alloc.c which isn't complied for now. + * definition of max_page will be remove as soon as page_alloc is built. + */ +unsigned long __read_mostly max_page; + +/* time.c */ + +unsigned long __ro_after_init cpu_khz; /* CPU clock frequency in kHz. */ + +s_time_t get_s_time(void) +{ + BUG_ON("unimplemented"); +} + +int reprogram_timer(s_time_t timeout) +{ + BUG_ON("unimplemented"); +} + +void send_timer_event(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void domain_set_time_offset(struct domain *d, int64_t time_offset_seconds) +{ + BUG_ON("unimplemented"); +} + +/* shutdown.c */ + +void machine_restart(unsigned int delay_millisecs) +{ + BUG_ON("unimplemented"); +} + +void machine_halt(void) +{ + BUG_ON("unimplemented"); +} + +/* domctl.c */ + +long arch_do_domctl(struct xen_domctl *domctl, struct domain *d, + XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_domctl) +{ + BUG_ON("unimplemented"); +} + +void arch_get_domain_info(const struct domain *d, + struct xen_domctl_getdomaininfo *info) +{ + BUG_ON("unimplemented"); +} + +void arch_get_info_guest(struct vcpu *v, vcpu_guest_context_u c) +{ + BUG_ON("unimplemented"); +} + +/* monitor.c */ + +int arch_monitor_domctl_event(struct domain *d, + struct xen_domctl_monitor_op *mop) +{ + BUG_ON("unimplemented"); +} + +/* smp.c */ + +void arch_flush_tlb_mask(const cpumask_t *mask) +{ + BUG_ON("unimplemented"); +} + +void smp_send_event_check_mask(const cpumask_t *mask) +{ + BUG_ON("unimplemented"); +} + +void smp_send_call_function_mask(const cpumask_t *mask) +{ + BUG_ON("unimplemented"); +} + +/* irq.c */ + +struct pirq *alloc_pirq_struct(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +int pirq_guest_bind(struct vcpu *v, struct pirq *pirq, int will_share) +{ + BUG_ON("unimplemented"); +} + +void pirq_guest_unbind(struct domain *d, struct pirq *pirq) +{ + BUG_ON("unimplemented"); +} + +void pirq_set_affinity(struct domain *d, int pirq, const cpumask_t *mask) +{ + BUG_ON("unimplemented"); +} + +hw_irq_controller no_irq_type =3D { + .typename =3D "none", + .startup =3D irq_startup_none, + .shutdown =3D irq_shutdown_none, + .enable =3D irq_enable_none, + .disable =3D irq_disable_none, +}; + +int arch_init_one_irq_desc(struct irq_desc *desc) +{ + BUG_ON("unimplemented"); +} + +void smp_send_state_dump(unsigned int cpu) +{ + BUG_ON("unimplemented"); +} + +/* domain.c */ + +DEFINE_PER_CPU(struct vcpu *, curr_vcpu); +unsigned long __per_cpu_offset[NR_CPUS]; + +void context_switch(struct vcpu *prev, struct vcpu *next) +{ + BUG_ON("unimplemented"); +} + +void continue_running(struct vcpu *same) +{ + BUG_ON("unimplemented"); +} + +void sync_local_execstate(void) +{ + BUG_ON("unimplemented"); +} + +void sync_vcpu_execstate(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void startup_cpu_idle_loop(void) +{ + BUG_ON("unimplemented"); +} + +void free_domain_struct(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void dump_pageframe_info(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void free_vcpu_struct(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +int arch_vcpu_create(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void arch_vcpu_destroy(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void vcpu_switch_to_aarch64_mode(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +int arch_sanitise_domain_config(struct xen_domctl_createdomain *config) +{ + BUG_ON("unimplemented"); +} + +int arch_domain_create(struct domain *d, + struct xen_domctl_createdomain *config, + unsigned int flags) +{ + BUG_ON("unimplemented"); +} + +int arch_domain_teardown(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void arch_domain_destroy(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void arch_domain_shutdown(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void arch_domain_pause(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void arch_domain_unpause(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +int arch_domain_soft_reset(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void arch_domain_creation_finished(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +int arch_set_info_guest(struct vcpu *v, vcpu_guest_context_u c) +{ + BUG_ON("unimplemented"); +} + +int arch_initialise_vcpu(struct vcpu *v, XEN_GUEST_HANDLE_PARAM(void) arg) +{ + BUG_ON("unimplemented"); +} + +int arch_vcpu_reset(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +int domain_relinquish_resources(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void arch_dump_domain_info(struct domain *d) +{ + BUG_ON("unimplemented"); +} + +void arch_dump_vcpu_info(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void vcpu_mark_events_pending(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void vcpu_update_evtchn_irq(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void vcpu_block_unless_event_pending(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void vcpu_kick(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +struct domain *alloc_domain_struct(void) +{ + BUG_ON("unimplemented"); +} + +struct vcpu *alloc_vcpu_struct(const struct domain *d) +{ + BUG_ON("unimplemented"); +} + +unsigned long +hypercall_create_continuation(unsigned int op, const char *format, ...) +{ + BUG_ON("unimplemented"); +} + +int __init parse_arch_dom0_param(const char *s, const char *e) +{ + BUG_ON("unimplemented"); +} + +/* guestcopy.c */ + +unsigned long raw_copy_to_guest(void *to, const void *from, unsigned int l= en) +{ + BUG_ON("unimplemented"); +} + +unsigned long raw_copy_from_guest(void *to, const void __user *from, + unsigned int len) +{ + BUG_ON("unimplemented"); +} + +/* sysctl.c */ + +long arch_do_sysctl(struct xen_sysctl *sysctl, + XEN_GUEST_HANDLE_PARAM(xen_sysctl_t) u_sysctl) +{ + BUG_ON("unimplemented"); +} + +void arch_do_physinfo(struct xen_sysctl_physinfo *pi) +{ + BUG_ON("unimplemented"); +} + +/* p2m.c */ + +int arch_set_paging_mempool_size(struct domain *d, uint64_t size) +{ + BUG_ON("unimplemented"); +} + +int unmap_mmio_regions(struct domain *d, + gfn_t start_gfn, + unsigned long nr, + mfn_t mfn) +{ + BUG_ON("unimplemented"); +} + +int map_mmio_regions(struct domain *d, + gfn_t start_gfn, + unsigned long nr, + mfn_t mfn) +{ + BUG_ON("unimplemented"); +} + +int set_foreign_p2m_entry(struct domain *d, const struct domain *fd, + unsigned long gfn, mfn_t mfn) +{ + BUG_ON("unimplemented"); +} + +/* Return the size of the pool, in bytes. */ +int arch_get_paging_mempool_size(struct domain *d, uint64_t *size) +{ + BUG_ON("unimplemented"); +} + +/* delay.c */ + +void udelay(unsigned long usecs) +{ + BUG_ON("unimplemented"); +} + +/* guest_access.h */=20 + +static inline unsigned long raw_clear_guest(void *to, unsigned int len) +{ + BUG_ON("unimplemented"); +} + +/* smpboot.c */ + +int __cpu_up(unsigned int cpu) +{ + BUG_ON("unimplemented"); +} + +void __cpu_disable(void) +{ + BUG_ON("unimplemented"); +} + +void __cpu_die(unsigned int cpu) +{ + BUG_ON("unimplemented"); +} + +/* + * The following functions are defined in common/irq.c, but common/irq.c i= sn't + * built for now. These changes will be removed there when common/irq.c is + * ready. + */ + +void cf_check irq_actor_none(struct irq_desc *desc) +{ + BUG_ON("unimplemented"); +} + +unsigned int cf_check irq_startup_none(struct irq_desc *desc) +{ + BUG_ON("unimplemented"); + + return 0; +} diff --git a/xen/arch/riscv/traps.c b/xen/arch/riscv/traps.c index ccd3593f5a..5415cf8d90 100644 --- a/xen/arch/riscv/traps.c +++ b/xen/arch/riscv/traps.c @@ -4,6 +4,10 @@ * * RISC-V Trap handlers */ + +#include +#include + #include #include =20 @@ -11,3 +15,24 @@ void do_trap(struct cpu_user_regs *cpu_regs) { die(); } + +void vcpu_show_execution_state(struct vcpu *v) +{ + BUG_ON("unimplemented"); +} + +void show_execution_state(const struct cpu_user_regs *regs) +{ + printk("implement show_execution_state(regs)\n"); +} + +void arch_hypercall_tasklet_result(struct vcpu *v, long res) +{ + BUG_ON("unimplemented"); +} + +enum mc_disposition arch_do_multicall_call(struct mc_state *state) +{ + BUG_ON("unimplemented"); + return mc_continue; +} --=20 2.45.0