ChangeSet 1.1438, 2005/04/02 22:30:42+01:00, cl349@xxxxxxxxxxxxxxxxxxxx
Merge 2.0-testing change:
From: YAMAMOTO Takashi <yamt@xxxxxxxxxxxxxxxxx>
Add support to domain0 builder to load a (Net)BSD symtab for domain0.
Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>
arch/x86/domain.c | 1266 ++++++++++++++++++++++++++++------------------------
common/elf.c | 37 -
include/xen/elf.h | 5
include/xen/sched.h | 282 ++++++++---
4 files changed, 909 insertions(+), 681 deletions(-)
diff -Nru a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
--- a/xen/arch/x86/domain.c 2005-04-03 05:03:31 -04:00
+++ b/xen/arch/x86/domain.c 2005-04-03 05:03:31 -04:00
@@ -19,6 +19,7 @@
#include <xen/smp.h>
#include <xen/delay.h>
#include <xen/softirq.h>
+#include <xen/grant_table.h>
#include <asm/regs.h>
#include <asm/mc146818rtc.h>
#include <asm/system.h>
@@ -33,33 +34,29 @@
#include <asm/shadow.h>
#include <xen/console.h>
#include <xen/elf.h>
+#include <asm/vmx.h>
+#include <asm/vmx_vmcs.h>
+#include <asm/msr.h>
+#include <xen/kernel.h>
+#include <public/io/ioreq.h>
#include <xen/multicall.h>
/* opt_noreboot: If true, machine will need manual reset on error. */
static int opt_noreboot = 0;
boolean_param("noreboot", opt_noreboot);
-#if !defined(CONFIG_X86_64BITMODE)
-/* No ring-3 access in initial page tables. */
-#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED)
-#else
-/* Allow ring-3 access in long mode as guest cannot use ring 1. */
-#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_USER)
-#endif
-#define L2_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
-#define L3_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
-#define L4_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
-
-#define round_pgup(_p) (((_p)+(PAGE_SIZE-1))&PAGE_MASK)
-#define round_pgdown(_p) ((_p)&PAGE_MASK)
+struct percpu_ctxt {
+ struct exec_domain *curr_ed;
+} __cacheline_aligned;
+static struct percpu_ctxt percpu_ctxt[NR_CPUS];
static void default_idle(void)
{
- __cli();
+ local_irq_disable();
if ( !softirq_pending(smp_processor_id()) )
safe_halt();
else
- __sti();
+ local_irq_enable();
}
static __attribute_used__ void idle_loop(void)
@@ -80,8 +77,10 @@
void startup_cpu_idle_loop(void)
{
/* Just some sanity to ensure that the scheduler is set up okay. */
- ASSERT(current->id == IDLE_DOMAIN_ID);
- domain_unpause_by_systemcontroller(current);
+ ASSERT(current->domain->id == IDLE_DOMAIN_ID);
+ percpu_ctxt[smp_processor_id()].curr_ed = current;
+ set_bit(smp_processor_id(), ¤t->domain->cpuset);
+ domain_unpause_by_systemcontroller(current->domain);
raise_softirq(SCHEDULE_SOFTIRQ);
do_softirq();
@@ -97,106 +96,79 @@
static long no_idt[2];
static int reboot_mode;
-int reboot_thru_bios = 0;
-
-#ifdef CONFIG_SMP
-int reboot_smp = 0;
-static int reboot_cpu = -1;
-/* shamelessly grabbed from lib/vsprintf.c for readability */
-#define is_digit(c) ((c) >= '0' && (c) <= '9')
-#endif
-
static inline void kb_wait(void)
{
int i;
- for (i=0; i<0x10000; i++)
- if ((inb_p(0x64) & 0x02) == 0)
+ for ( i = 0; i < 0x10000; i++ )
+ if ( (inb_p(0x64) & 0x02) == 0 )
break;
}
-
void machine_restart(char * __unused)
{
-#ifdef CONFIG_SMP
- int cpuid;
-#endif
+ int i;
if ( opt_noreboot )
{
printk("Reboot disabled on cmdline: require manual reset\n");
- for ( ; ; ) __asm__ __volatile__ ("hlt");
+ for ( ; ; )
+ safe_halt();
}
-#ifdef CONFIG_SMP
- cpuid = GET_APIC_ID(apic_read(APIC_ID));
-
- /* KAF: Need interrupts enabled for safe IPI. */
- __sti();
+ local_irq_enable();
- if (reboot_smp) {
-
- /* check to see if reboot_cpu is valid
- if its not, default to the BSP */
- if ((reboot_cpu == -1) ||
- (reboot_cpu > (NR_CPUS -1)) ||
- !(phys_cpu_present_map & (1<<cpuid)))
- reboot_cpu = boot_cpu_physical_apicid;
-
- reboot_smp = 0; /* use this as a flag to only go through this once*/
- /* re-run this function on the other CPUs
- it will fall though this section since we have
- cleared reboot_smp, and do the reboot if it is the
- correct CPU, otherwise it halts. */
- if (reboot_cpu != cpuid)
- smp_call_function((void *)machine_restart , NULL, 1, 0);
- }
-
- /* if reboot_cpu is still -1, then we want a tradional reboot,
- and if we are not running on the reboot_cpu,, halt */
- if ((reboot_cpu != -1) && (cpuid != reboot_cpu)) {
- for (;;)
- __asm__ __volatile__ ("hlt");
+ /* Ensure we are the boot CPU. */
+ if ( GET_APIC_ID(apic_read(APIC_ID)) != boot_cpu_physical_apicid )
+ {
+ smp_call_function((void *)machine_restart, NULL, 1, 0);
+ for ( ; ; )
+ safe_halt();
}
+
/*
* Stop all CPUs and turn off local APICs and the IO-APIC, so
* other OSs see a clean IRQ state.
*/
smp_send_stop();
disable_IO_APIC();
+
+#ifdef CONFIG_VMX
+ stop_vmx();
#endif
- if(!reboot_thru_bios) {
- /* rebooting needs to touch the page at absolute addr 0 */
- *((unsigned short *)__va(0x472)) = reboot_mode;
- for (;;) {
- int i;
- for (i=0; i<100; i++) {
- kb_wait();
- udelay(50);
- outb(0xfe,0x64); /* pulse reset low */
- udelay(50);
- }
- /* That didn't work - force a triple fault.. */
- __asm__ __volatile__("lidt %0": "=m" (no_idt));
- __asm__ __volatile__("int3");
+ /* Rebooting needs to touch the page at absolute address 0. */
+ *((unsigned short *)__va(0x472)) = reboot_mode;
+
+ for ( ; ; )
+ {
+ /* Pulse the keyboard reset line. */
+ for ( i = 0; i < 100; i++ )
+ {
+ kb_wait();
+ udelay(50);
+ outb(0xfe,0x64); /* pulse reset low */
+ udelay(50);
}
- }
- panic("Need to reinclude BIOS reboot code\n");
+ /* That didn't work - force a triple fault.. */
+ __asm__ __volatile__("lidt %0": "=m" (no_idt));
+ __asm__ __volatile__("int3");
+ }
}
void __attribute__((noreturn)) __machine_halt(void *unused)
{
for ( ; ; )
- __asm__ __volatile__ ( "cli; hlt" );
+ safe_halt();
}
void machine_halt(void)
{
- smp_call_function(__machine_halt, NULL, 1, 1);
+ watchdog_on = 0;
+ smp_call_function(__machine_halt, NULL, 1, 0);
__machine_halt(NULL);
}
@@ -220,158 +192,373 @@
page->u.inuse.type_info);
}
-xmem_cache_t *domain_struct_cachep;
-void __init domain_startofday(void)
+struct domain *arch_alloc_domain_struct(void)
{
- domain_struct_cachep = xmem_cache_create(
- "domain_cache", sizeof(struct domain),
- 0, SLAB_HWCACHE_ALIGN, NULL, NULL);
- if ( domain_struct_cachep == NULL )
- panic("No slab cache for domain structs.");
+ return xmalloc(struct domain);
}
-struct domain *arch_alloc_domain_struct(void)
+void arch_free_domain_struct(struct domain *d)
{
- return xmem_cache_alloc(domain_struct_cachep);
+ xfree(d);
}
-void arch_free_domain_struct(struct domain *d)
+struct exec_domain *arch_alloc_exec_domain_struct(void)
+{
+ return xmalloc(struct exec_domain);
+}
+
+void arch_free_exec_domain_struct(struct exec_domain *ed)
{
- xmem_cache_free(domain_struct_cachep, d);
+ xfree(ed);
}
void free_perdomain_pt(struct domain *d)
{
- free_xenheap_page((unsigned long)d->mm.perdomain_pt);
+ free_xenheap_page((unsigned long)d->arch.mm_perdomain_pt);
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