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Take the first baby step towards unifying and cleaning up arminit():

Browse Source 
- Pull all the code to deal with the trampoline stuff into one
	  centeralized place and use it from everywhere.
	- Some minor style tidiness

Reviewed by: tinguely
This commit is contained in:
Warner Losh 2008-04-03 16:44:50 +00:00
parent c3ee8ebcbc
commit aa037d58ea
8 changed files with 79 additions and 306 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
sys/arm/arm/machdep.c
View File

@ -43,6 +43,8 @@
*/
#include "opt_compat.h"
#include "opt_ddb.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -101,6 +103,11 @@ int (*_arm_bzero)(void *, int, int) = NULL;
int _min_memcpy_size = 0;
int _min_bzero_size = 0;
extern int *end;
#ifdef DDB
extern vm_offset_t ksym_start, ksym_end;
#endif
void
sendsig(catcher, ksi, mask)
sig_t catcher;
@ -631,3 +638,53 @@ makectx(struct trapframe *tf, struct pcb *pcb)
pcb->un_32.pcb32_lr = tf->tf_usr_lr;
pcb->un_32.pcb32_sp = tf->tf_usr_sp;
}
/*
* Fake up a boot descriptor table
*/
vm_offset_t
fake_preload_metadata(void)
{
#ifdef DDB
vm_offset_t zstart = 0, zend = 0;
#endif
vm_offset_t lastaddr;
int i = 0;
static uint32_t fake_preload[35];
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = KERNVIRTADDR;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = (uint32_t)&end - KERNVIRTADDR;
#ifdef DDB
if (*(uint32_t *)KERNVIRTADDR == MAGIC_TRAMP_NUMBER) {
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_SSYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 4);
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_ESYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 8);
lastaddr = *(uint32_t *)(KERNVIRTADDR + 8);
zend = lastaddr;
zstart = *(uint32_t *)(KERNVIRTADDR + 4);
ksym_start = zstart;
ksym_end = zend;
} else
#endif
lastaddr = (vm_offset_t)&end;
fake_preload[i++] = 0;
fake_preload[i] = 0;
preload_metadata = (void *)fake_preload;
return (lastaddr);
}

56
sys/arm/at91/kb920x_machdep.c
View File

@ -44,7 +44,6 @@
*/
#include "opt_msgbuf.h"
#include "opt_ddb.h"
#include "opt_at91.h"
#include <sys/cdefs.h>
@ -187,12 +186,6 @@ static const struct pmap_devmap kb920x_devmap[] = {
}
};
#define SDRAM_START 0xa0000000
#ifdef DDB
extern vm_offset_t ksym_start, ksym_end;
#endif
static long
ramsize(void)
{
@ -257,58 +250,15 @@ void *
initarm(void *arg, void *arg2)
{
struct pv_addr kernel_l1pt;
int loop;
int loop, i;
u_int l1pagetable;
vm_offset_t freemempos;
vm_offset_t afterkern;
int i;
uint32_t fake_preload[35];
uint32_t memsize;
vm_offset_t lastaddr;
#ifdef DDB
vm_offset_t zstart = 0, zend = 0;
#endif
i = 0;
set_cpufuncs();
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = KERNVIRTADDR;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = (uint32_t)&end - KERNVIRTADDR;
#ifdef DDB
if (*(uint32_t *)KERNVIRTADDR == MAGIC_TRAMP_NUMBER) {
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_SSYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 4);
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_ESYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 8);
lastaddr = *(uint32_t *)(KERNVIRTADDR + 8);
zend = lastaddr;
zstart = *(uint32_t *)(KERNVIRTADDR + 4);
ksym_start = zstart;
ksym_end = zend;
} else
#endif
lastaddr = (vm_offset_t)&end;
fake_preload[i++] = 0;
fake_preload[i] = 0;
preload_metadata = (void *)fake_preload;
lastaddr = fake_preload_metadata();
pcpu_init(pcpup, 0, sizeof(struct pcpu));
PCPU_SET(curthread, &thread0);
@ -367,7 +317,7 @@ initarm(void *arg, void *arg2)
pmap_link_l2pt(l1pagetable, KERNBASE + i * 0x100000,
&kernel_pt_table[KERNEL_PT_KERN + i]);
pmap_map_chunk(l1pagetable, KERNBASE, PHYSADDR,
(((uint32_t)(lastaddr) - KERNBASE) + PAGE_SIZE) & ~(PAGE_SIZE - 1),
(((uint32_t)lastaddr - KERNBASE) + PAGE_SIZE) & ~(PAGE_SIZE - 1),
VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
afterkern = round_page((lastaddr + L1_S_SIZE) & ~(L1_S_SIZE
- 1));

10
sys/arm/include/machdep.h
View File

@ -5,11 +5,11 @@
#define _MACHDEP_BOOT_MACHDEP_H_
/* misc prototypes used by the many arm machdeps */
void halt (void);
void data_abort_handler (trapframe_t *);
void prefetch_abort_handler (trapframe_t *);
void undefinedinstruction_bounce (trapframe_t *);
void arm_lock_cache_line(vm_offset_t);
vm_offset_t fake_preload_metadata(void);
void halt(void);
void data_abort_handler(trapframe_t *);
void prefetch_abort_handler(trapframe_t *);
void undefinedinstruction_bounce(trapframe_t *);
#endif /* !_MACHINE_MACHDEP_H_ */

50
sys/arm/sa11x0/assabet_machdep.c
View File

@ -217,58 +217,25 @@ initarm(void *arg, void *arg2)
u_int l1pagetable;
vm_offset_t freemempos;
vm_offset_t lastalloced;
vm_offset_t lastaddr;
vm_size_t pt_size;
int i = 0;
uint32_t fake_preload[35];
uint32_t memsize = 32 * 1024 * 1024;
sa1110_uart_vaddr = SACOM1_VBASE;
boothowto = RB_VERBOSE | RB_SINGLE;
cninit();
set_cpufuncs();
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = KERNBASE;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = (uint32_t)&end - KERNBASE;
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("md root") + 1;
strcpy((char*)&fake_preload[i++], "md root");
i += 1;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("md_image") + 1;
strcpy((char*)&fake_preload[i++], "md_image");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = MDROOT_ADDR;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = MD_ROOT_SIZE * 1024;
fake_preload[i++] = 0;
fake_preload[i] = 0;
preload_metadata = (void *)fake_preload;
lastaddr = fake_reload_metadata();
physmem = memsize / PAGE_SIZE;
pc = &__pcpu;
pcpu_init(pc, 0, sizeof(struct pcpu));
PCPU_SET(curthread, &thread0);
physical_start = (vm_offset_t) KERNBASE;
physical_end = (vm_offset_t) &end;
physical_end = lastaddr;
physical_freestart = (((vm_offset_t)physical_end) + PAGE_MASK) & ~PAGE_MASK;
md_addr.pv_va = md_addr.pv_pa = MDROOT_ADDR;
#define KERNEL_TEXT_BASE (KERNBASE + 0x00040000)
kerneldatasize = (u_int32_t)&end - (u_int32_t)KERNEL_TEXT_BASE;
kerneldatasize = (u_int32_t)&end - (u_int32_t)KERNVIRTADDR;
symbolsize = 0;
freemempos = (vm_offset_t)round_page(physical_freestart);
memset((void *)freemempos, 0, 256*1024);
@ -348,7 +315,8 @@ initarm(void *arg, void *arg2)
pmap_link_l2pt(l1pagetable, KERNEL_VM_BASE + loop * 0x00100000,
&kernel_pt_table[KERNEL_PT_VMDATA + loop]);
pmap_map_chunk(l1pagetable, KERNBASE, KERNBASE,
((uint32_t)&end - KERNBASE), VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
((uint32_t)lastaddr - KERNBASE), VM_PROT_READ|VM_PROT_WRITE,
PTE_CACHE);
/* Map the stack pages */
pmap_map_chunk(l1pagetable, irqstack.pv_va, irqstack.pv_pa,
IRQ_STACK_SIZE * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
@ -403,8 +371,6 @@ initarm(void *arg, void *arg2)
set_stackptr(PSR_UND32_MODE,
undstack.pv_va + UND_STACK_SIZE * PAGE_SIZE);
/*
* We must now clean the cache again....
* Cleaning may be done by reading new data to displace any
@ -417,7 +383,6 @@ initarm(void *arg, void *arg2)
*/
cpu_idcache_wbinv_all();
bootverbose = 1;
/* Set stack for exception handlers */
@ -443,8 +408,7 @@ initarm(void *arg, void *arg2)
dump_avail[3] = phys_avail[3] = 0;
mutex_init();
pmap_bootstrap(freemempos,
0xd0000000, &kernel_l1pt);
pmap_bootstrap(freemempos, 0xd0000000, &kernel_l1pt);
/* Do basic tuning, hz etc */
init_param1();

55
sys/arm/xscale/i80321/ep80219_machdep.c
View File

@ -46,7 +46,6 @@
*/
#include "opt_msgbuf.h"
#include "opt_ddb.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -186,73 +185,26 @@ static const struct pmap_devmap ep80219_devmap[] = {
}
};
#ifdef DDB
extern vm_offset_t ksym_start, ksym_end;
#endif
extern vm_offset_t xscale_cache_clean_addr;
void *
initarm(void *arg, void *arg2)
{
struct pv_addr kernel_l1pt;
int loop;
int loop, i;
u_int l1pagetable;
vm_offset_t freemempos;
vm_offset_t freemem_pt;
vm_offset_t afterkern;
vm_offset_t freemem_after;
vm_offset_t lastaddr;
#ifdef DDB
vm_offset_t zstart = 0, zend = 0;
#endif
int i = 0;
uint32_t fake_preload[35];
uint32_t memsize, memstart;
i = 0;
set_cpufuncs();
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = KERNBASE + 0x00200000;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = (uint32_t)&end - KERNBASE - 0x00200000;
#ifdef DDB
if (*(uint32_t *)KERNVIRTADDR == MAGIC_TRAMP_NUMBER) {
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_SSYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 4);
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_ESYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 8);
lastaddr = *(uint32_t *)(KERNVIRTADDR + 8);
zend = lastaddr;
zstart = *(uint32_t *)(KERNVIRTADDR + 4);
ksym_start = zstart;
ksym_end = zend;
} else
#endif
lastaddr = (vm_offset_t)&end;
fake_preload[i++] = 0;
fake_preload[i] = 0;
preload_metadata = (void *)fake_preload;
lastaddr = fake_preload_metadata();
pcpu_init(pcpup, 0, sizeof(struct pcpu));
PCPU_SET(curthread, &thread0);
#define KERNEL_TEXT_BASE (KERNBASE + 0x00200000)
freemempos = 0xa0200000;
/* Define a macro to simplify memory allocation */
#define valloc_pages(var, np) \
@ -437,9 +389,6 @@ initarm(void *arg, void *arg2)
/* Enable MMU, I-cache, D-cache, write buffer. */
arm_vector_init(ARM_VECTORS_HIGH, ARM_VEC_ALL);
pmap_curmaxkvaddr = afterkern + PAGE_SIZE;
dump_avail[0] = 0xa0000000;
dump_avail[1] = 0xa0000000 + memsize;

52
sys/arm/xscale/i80321/iq31244_machdep.c
View File

@ -46,7 +46,6 @@
*/
#include "opt_msgbuf.h"
#include "opt_ddb.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -187,73 +186,26 @@ static const struct pmap_devmap iq80321_devmap[] = {
#define SDRAM_START 0xa0000000
#ifdef DDB
extern vm_offset_t ksym_start, ksym_end;
#endif
extern vm_offset_t xscale_cache_clean_addr;
void *
initarm(void *arg, void *arg2)
{
struct pv_addr kernel_l1pt;
int loop;
int loop, i;
u_int l1pagetable;
vm_offset_t freemempos;
vm_offset_t freemem_pt;
vm_offset_t afterkern;
vm_offset_t freemem_after;
vm_offset_t lastaddr;
#ifdef DDB
vm_offset_t zstart = 0, zend = 0;
#endif
int i;
uint32_t fake_preload[35];
uint32_t memsize, memstart;
i = 0;
set_cpufuncs();
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = KERNBASE + 0x00200000;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = (uint32_t)&end - KERNBASE - 0x00200000;
#ifdef DDB
if (*(uint32_t *)KERNVIRTADDR == MAGIC_TRAMP_NUMBER) {
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_SSYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 4);
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_ESYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 8);
lastaddr = *(uint32_t *)(KERNVIRTADDR + 8);
zend = lastaddr;
zstart = *(uint32_t *)(KERNVIRTADDR + 4);
ksym_start = zstart;
ksym_end = zend;
} else
#endif
lastaddr = (vm_offset_t)&end;
fake_preload[i++] = 0;
fake_preload[i] = 0;
preload_metadata = (void *)fake_preload;
lastaddr = fake_preload_metadata();
pcpu_init(pcpup, 0, sizeof(struct pcpu));
PCPU_SET(curthread, &thread0);
#define KERNEL_TEXT_BASE (KERNBASE + 0x00200000)
freemempos = 0xa0200000;
/* Define a macro to simplify memory allocation */
#define valloc_pages(var, np) \

56
sys/arm/xscale/i8134x/crb_machdep.c
View File

@ -46,7 +46,6 @@
*/
#include "opt_msgbuf.h"
#include "opt_ddb.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -125,11 +124,7 @@ extern u_int prefetch_abort_handler_address;
extern u_int undefined_handler_address;
struct pv_addr kernel_pt_table[NUM_KERNEL_PTS];
extern void *_end;
extern vm_offset_t sa1_cache_clean_addr;
extern int *end;
struct pcpu __pcpu;
@ -189,73 +184,26 @@ static const struct pmap_devmap iq81342_devmap[] = {
#define SDRAM_START 0x00000000
#ifdef DDB
extern vm_offset_t ksym_start, ksym_end;
#endif
extern vm_offset_t xscale_cache_clean_addr;
void *
initarm(void *arg, void *arg2)
{
struct pv_addr kernel_l1pt;
int loop;
int loop, i;
u_int l1pagetable;
vm_offset_t freemempos;
vm_offset_t freemem_pt;
vm_offset_t afterkern;
vm_offset_t freemem_after;
vm_offset_t lastaddr;
#ifdef DDB
vm_offset_t zstart = 0, zend = 0;
#endif
int i;
uint32_t fake_preload[35];
uint32_t memsize, memstart;
i = 0;
set_cpufuncs();
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = KERNBASE + 0x00200000;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = (uint32_t)&end - KERNBASE - 0x00200000;
#ifdef DDB
if (*(uint32_t *)KERNVIRTADDR == MAGIC_TRAMP_NUMBER) {
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_SSYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 4);
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_ESYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 8);
lastaddr = *(uint32_t *)(KERNVIRTADDR + 8);
zend = lastaddr;
zstart = *(uint32_t *)(KERNVIRTADDR + 4);
ksym_start = zstart;
ksym_end = zend;
} else
#endif
lastaddr = (vm_offset_t)&end;
fake_preload[i++] = 0;
fake_preload[i] = 0;
preload_metadata = (void *)fake_preload;
lastaddr = fake_preload_metadata();
pcpu_init(pcpup, 0, sizeof(struct pcpu));
PCPU_SET(curthread, &thread0);
#define KERNEL_TEXT_BASE (KERNBASE + 0x00200000)
freemempos = 0x00200000;
/* Define a macro to simplify memory allocation */
#define valloc_pages(var, np) \

49
sys/arm/xscale/ixp425/avila_machdep.c
View File

@ -46,7 +46,6 @@
*/
#include "opt_msgbuf.h"
#include "opt_ddb.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -251,10 +250,6 @@ static const struct pmap_devmap ixp425_devmap[] = {
#define SDRAM_START 0x10000000
#ifdef DDB
extern vm_offset_t ksym_start, ksym_end;
#endif
extern vm_offset_t xscale_cache_clean_addr;
void *
@ -268,52 +263,10 @@ initarm(void *arg, void *arg2)
vm_offset_t afterkern;
vm_offset_t freemem_after;
vm_offset_t lastaddr;
#ifdef DDB
vm_offset_t zstart = 0, zend = 0;
#endif
int i;
uint32_t fake_preload[35];
uint32_t memsize;
i = 0;
set_cpufuncs();
fake_preload[i++] = MODINFO_NAME;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_TYPE;
fake_preload[i++] = strlen("elf kernel") + 1;
strcpy((char*)&fake_preload[i++], "elf kernel");
i += 2;
fake_preload[i++] = MODINFO_ADDR;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = KERNVIRTADDR;
fake_preload[i++] = MODINFO_SIZE;
fake_preload[i++] = sizeof(uint32_t);
fake_preload[i++] = (uint32_t)&end - KERNVIRTADDR;
#ifdef DDB
if (*(uint32_t *)KERNVIRTADDR == MAGIC_TRAMP_NUMBER) {
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_SSYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 4);
fake_preload[i++] = MODINFO_METADATA|MODINFOMD_ESYM;
fake_preload[i++] = sizeof(vm_offset_t);
fake_preload[i++] = *(uint32_t *)(KERNVIRTADDR + 8);
lastaddr = *(uint32_t *)(KERNVIRTADDR + 8);
zend = lastaddr;
zstart = *(uint32_t *)(KERNVIRTADDR + 4);
ksym_start = zstart;
ksym_end = zend;
} else
#endif
lastaddr = (vm_offset_t)&end;
fake_preload[i++] = 0;
fake_preload[i] = 0;
preload_metadata = (void *)fake_preload;
lastaddr = fake_reload_metadata();
pcpu_init(pcpup, 0, sizeof(struct pcpu));
PCPU_SET(curthread, &thread0);