[Xen-devel] [PATCH v2 20/22] mini-os: print start of day messages depending on domain type

[Juergen Gross <jgross@xxxxxxxx>]

Select what to print in arch_init() depending on the domain type.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
V2: add printing nr_modules as requested by Samuel Thibault
---
 arch/x86/setup.c | 48 +++++++++++++++++++++++++++++++++---------------
 1 file changed, 33 insertions(+), 15 deletions(-)

diff --git a/arch/x86/setup.c b/arch/x86/setup.c
index 50aa504..f422a96 100644
--- a/arch/x86/setup.c
+++ b/arch/x86/setup.c
@@ -91,6 +91,24 @@ static void get_cmdline(void *p)
 
     strncpy(cmdline, (char *)si->cmd_line, MAX_CMDLINE_SIZE - 1);
 }
+
+static void print_start_of_day(void *p)
+{
+    start_info_t *si = p;
+
+    printk("Xen Minimal OS (pv)!\n");
+    printk("  start_info: %p(VA)\n", si);
+    printk("    nr_pages: 0x%lx\n", si->nr_pages);
+    printk("  shared_inf: 0x%08lx(MA)\n", si->shared_info);
+    printk("     pt_base: %p(VA)\n", (void *)si->pt_base);
+    printk("nr_pt_frames: 0x%lx\n", si->nr_pt_frames);
+    printk("    mfn_list: %p(VA)\n", (void *)si->mfn_list);
+    printk("   mod_start: 0x%lx(VA)\n", si->mod_start);
+    printk("     mod_len: %lu\n", si->mod_len);
+    printk("       flags: 0x%x\n", (unsigned int)si->flags);
+    printk("    cmd_line: %s\n", cmdline);
+    printk("       stack: %p-%p\n", stack, stack + sizeof(stack));
+}
 #else
 static void hpc_init(void)
 {
@@ -120,6 +138,20 @@ static void get_cmdline(void *p)
     if ( si->cmdline_paddr )
         strncpy(cmdline, to_virt(si->cmdline_paddr), MAX_CMDLINE_SIZE - 1);
 }
+
+static void print_start_of_day(void *p)
+{
+    struct hvm_start_info *si = p;
+
+    printk("Xen Minimal OS (hvm)!\n");
+    printk("  start_info: %p(VA)\n", si);
+    printk("  shared_inf: %p(VA)\n", HYPERVISOR_shared_info);
+    printk("     modlist: 0x%lx(PA)\n", (unsigned long)si->modlist_paddr);
+    printk("  nr_modules: %u\n", si->nr_modules);
+    printk("       flags: 0x%x\n", (unsigned int)si->flags);
+    printk("    cmd_line: %s\n", cmdline);
+    printk("       stack: %p-%p\n", stack, stack + sizeof(stack));
+}
 #endif
 
 /*
@@ -129,7 +161,6 @@ void
 arch_init(void *par)
 {
        static char hello[] = "Bootstrapping...\n";
-       start_info_t *si;
 
        hpc_init();
        (void)HYPERVISOR_console_io(CONSOLEIO_write, strlen(hello), hello);
@@ -154,21 +185,8 @@ arch_init(void *par)
        /* Grab the shared_info pointer and put it in a safe place. */
        HYPERVISOR_shared_info = map_shared_info(par);
 
-       si = par;
-
        /* print out some useful information  */
-       printk("Xen Minimal OS!\n");
-       printk("  start_info: %p(VA)\n", si);
-       printk("    nr_pages: 0x%lx\n", si->nr_pages);
-       printk("  shared_inf: %p(VA)\n", HYPERVISOR_shared_info);
-       printk("     pt_base: %p(VA)\n", (void *)si->pt_base);
-       printk("nr_pt_frames: 0x%lx\n", si->nr_pt_frames);
-       printk("    mfn_list: %p(VA)\n", (void *)si->mfn_list);
-       printk("   mod_start: 0x%lx(VA)\n", si->mod_start);
-       printk("     mod_len: %lu\n", si->mod_len);
-       printk("       flags: 0x%x\n", (unsigned int)si->flags);
-       printk("    cmd_line: %s\n", cmdline);
-       printk("       stack: %p-%p\n", stack, stack + sizeof(stack));
+       print_start_of_day(par);
 
        start_kernel();
 }
-- 
2.6.6


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