From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: [RFC 12/14] xen/xsm: Don't use multiboot by default to initialize XSM Date: Wed, 12 Mar 2014 16:16:07 +0000 Message-ID: <1394640969-25583-13-git-send-email-julien.grall@linaro.org> References: <1394640969-25583-1-git-send-email-julien.grall@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WNlph-0007Ru-3n for xen-devel@lists.xenproject.org; Wed, 12 Mar 2014 16:16:41 +0000 Received: by mail-we0-f177.google.com with SMTP id u57so11301155wes.22 for ; Wed, 12 Mar 2014 09:16:39 -0700 (PDT) In-Reply-To: <1394640969-25583-1-git-send-email-julien.grall@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xenproject.org Cc: Keir Fraser , ian.campbell@citrix.com, Julien Grall , tim@xen.org, stefano.stabellini@citrix.com, Jan Beulich , Daniel De Graaf List-Id: xen-devel@lists.xenproject.org Multiboot protocol is only used by x86. When XSM support for ARM will be introduced, another way will be used to retrieve the policy blob. Introduce CONFIG_MULTIBOOT to compile XSM specific multiboot code and rename xsm_init into xsm_multiboot_init to avoid confusion. Signed-off-by: Julien Grall Cc: Keir Fraser Cc: Jan Beulich Cc: Daniel De Graaf --- xen/arch/x86/setup.c | 2 +- xen/include/asm-x86/config.h | 2 ++ xen/include/xsm/xsm.h | 23 +++++++++++++++-------- xen/xsm/xsm_core.c | 9 ++++++--- xen/xsm/xsm_policy.c | 10 +++++++--- 5 files changed, 31 insertions(+), 15 deletions(-) diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 4dbf2b7..e9c2c51 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -1251,7 +1251,7 @@ void __init noreturn __start_xen(unsigned long mbi_p) bitmap_fill(module_map, mbi->mods_count); __clear_bit(0, module_map); /* Dom0 kernel is always first */ - xsm_init(module_map, mbi, bootstrap_map); + xsm_multiboot_init(module_map, mbi, bootstrap_map); microcode_grab_module(module_map, mbi, bootstrap_map); diff --git a/xen/include/asm-x86/config.h b/xen/include/asm-x86/config.h index 99d0e2c..24f95a3 100644 --- a/xen/include/asm-x86/config.h +++ b/xen/include/asm-x86/config.h @@ -52,6 +52,8 @@ #define CONFIG_KEXEC 1 #define CONFIG_WATCHDOG 1 +#define CONFIG_MULTIBOOT 1 + #define HZ 100 #define OPT_CONSOLE_STR "vga" diff --git a/xen/include/xsm/xsm.h b/xen/include/xsm/xsm.h index 15acb3b..4863e41 100644 --- a/xen/include/xsm/xsm.h +++ b/xen/include/xsm/xsm.h @@ -643,11 +643,15 @@ static inline int xsm_map_gmfn_foreign (xsm_default_t def, struct domain *d, str #endif /* XSM_NO_WRAPPERS */ -extern int xsm_init(unsigned long *module_map, const multiboot_info_t *mbi, - void *(*bootstrap_map)(const module_t *)); -extern int xsm_policy_init(unsigned long *module_map, - const multiboot_info_t *mbi, - void *(*bootstrap_map)(const module_t *)); +#ifdef CONFIG_MULTIBOOT +extern int xsm_multiboot_init(unsigned long *module_map, + const multiboot_info_t *mbi, + void *(*bootstrap_map)(const module_t *)); +extern int xsm_multiboot_policy_init(unsigned long *module_map, + const multiboot_info_t *mbi, + void *(*bootstrap_map)(const module_t *)); +#endif + extern int register_xsm(struct xsm_operations *ops); extern int unregister_xsm(struct xsm_operations *ops); @@ -658,12 +662,15 @@ extern void xsm_fixup_ops(struct xsm_operations *ops); #include -static inline int xsm_init (unsigned long *module_map, - const multiboot_info_t *mbi, - void *(*bootstrap_map)(const module_t *)) +#ifdef CONFIG_MULTIBOOT +static inline int xsm_multiboot_init (unsigned long *module_map, + const multiboot_info_t *mbi, + void *(*bootstrap_map)(const module_t *)) { return 0; } +#endif + #endif /* XSM_ENABLE */ #endif /* __XSM_H */ diff --git a/xen/xsm/xsm_core.c b/xen/xsm/xsm_core.c index b16c071..11a9ca7 100644 --- a/xen/xsm/xsm_core.c +++ b/xen/xsm/xsm_core.c @@ -43,8 +43,10 @@ static void __init do_xsm_initcalls(void) } } -int __init xsm_init(unsigned long *module_map, const multiboot_info_t *mbi, - void *(*bootstrap_map)(const module_t *)) +#ifdef CONFIG_MULTIBOOT +int __init xsm_multiboot_init(unsigned long *module_map, + const multiboot_info_t *mbi, + void *(*bootstrap_map)(const module_t *)) { int ret = 0; @@ -52,7 +54,7 @@ int __init xsm_init(unsigned long *module_map, const multiboot_info_t *mbi, if ( XSM_MAGIC ) { - ret = xsm_policy_init(module_map, mbi, bootstrap_map); + ret = xsm_multiboot_policy_init(module_map, mbi, bootstrap_map); if ( ret ) { bootstrap_map(NULL); @@ -75,6 +77,7 @@ int __init xsm_init(unsigned long *module_map, const multiboot_info_t *mbi, return 0; } +#endif int register_xsm(struct xsm_operations *ops) { diff --git a/xen/xsm/xsm_policy.c b/xen/xsm/xsm_policy.c index 0186f30..3d5f66a 100644 --- a/xen/xsm/xsm_policy.c +++ b/xen/xsm/xsm_policy.c @@ -19,15 +19,18 @@ */ #include +#ifdef CONFIG_MULTIBOOT #include +#endif #include char *__initdata policy_buffer = NULL; u32 __initdata policy_size = 0; -int __init xsm_policy_init(unsigned long *module_map, - const multiboot_info_t *mbi, - void *(*bootstrap_map)(const module_t *)) +#ifdef CONFIG_MULTIBOOT +int __init xsm_multiboot_policy_init(unsigned long *module_map, + const multiboot_info_t *mbi, + void *(*bootstrap_map)(const module_t *)) { int i; module_t *mod = (module_t *)__va(mbi->mods_addr); @@ -65,3 +68,4 @@ int __init xsm_policy_init(unsigned long *module_map, return rc; } +#endif -- 1.7.10.4