[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [V9 PATCH 8/8] pvh dom0: add opt_dom0pvh to setup.c
A pvh dom0 is booted by adding dom0pvh to grub xen command line. Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> --- docs/misc/pvh-readme.txt | 2 ++ xen/arch/x86/setup.c | 12 +++++++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/docs/misc/pvh-readme.txt b/docs/misc/pvh-readme.txt index 9fea137..c5b3de4 100644 --- a/docs/misc/pvh-readme.txt +++ b/docs/misc/pvh-readme.txt @@ -37,6 +37,8 @@ supported. Phase I patches are broken into three parts: - tools changes for creating a PVH guest - boot of 64bit dom0 in PVH mode. +To boot 64bit dom0 in PVH mode, add dom0pvh to grub xen command line. + Following fixme's exist in the code: - arch/x86/time.c: support more tsc modes. diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index e9c2c51..bd35f65 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -61,6 +61,10 @@ integer_param("maxcpus", max_cpus); static bool_t __initdata disable_smep; invbool_param("smep", disable_smep); +/* Boot dom0 in pvh mode */ +static bool_t __initdata opt_dom0pvh; +boolean_param("dom0pvh", opt_dom0pvh); + /* **** Linux config option: propagated to domain0. */ /* "acpi=off": Sisables both ACPI table parsing and interpreter. */ /* "acpi=force": Override the disable blacklist. */ @@ -541,7 +545,7 @@ void __init noreturn __start_xen(unsigned long mbi_p) { char *memmap_type = NULL; char *cmdline, *kextra, *loader; - unsigned int initrdidx; + unsigned int initrdidx, domcr_flags = 0; multiboot_info_t *mbi = __va(mbi_p); module_t *mod = (module_t *)__va(mbi->mods_addr); unsigned long nr_pages, raw_max_page, modules_headroom, *module_map; @@ -1337,8 +1341,10 @@ void __init noreturn __start_xen(unsigned long mbi_p) if ( !tboot_protect_mem_regions() ) panic("Could not protect TXT memory regions"); - /* Create initial domain 0. */ - dom0 = domain_create(0, DOMCRF_s3_integrity, 0); + /* Create initial domain 0. */ + domcr_flags = (opt_dom0pvh ? DOMCRF_pvh | DOMCRF_hap : 0); + domcr_flags |= DOMCRF_s3_integrity; + dom0 = domain_create(0, domcr_flags, 0); if ( IS_ERR(dom0) || (alloc_dom0_vcpu0() == NULL) ) panic("Error creating domain 0"); -- 1.8.3.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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