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Differential D14428 Diff 39713 head/sys/arm/arm/machdep.c

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head/sys/arm/arm/machdep.c

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#include <sys/cpu.h> #include <sys/cpu.h>
#include <sys/devmap.h> #include <sys/devmap.h>
#include <sys/efi.h> #include <sys/efi.h>
#include <sys/imgact.h> #include <sys/imgact.h>
#include <sys/kdb.h> #include <sys/kdb.h>
#include <sys/kernel.h> #include <sys/kernel.h>
#include <sys/linker.h> #include <sys/linker.h>
#include <sys/msgbuf.h> #include <sys/msgbuf.h>
#include <sys/reboot.h>
#include <sys/rwlock.h> #include <sys/rwlock.h>
#include <sys/sched.h> #include <sys/sched.h>
#include <sys/syscallsubr.h> #include <sys/syscallsubr.h>
#include <sys/sysent.h> #include <sys/sysent.h>
#include <sys/sysproto.h> #include <sys/sysproto.h>
#include <sys/vmmeter.h> #include <sys/vmmeter.h>
#include <vm/vm_object.h> #include <vm/vm_object.h>
▲ Show 20 Lines • Show All 703 Lines • ▼ Show 20 Lines set_stackptr(PSR_IRQ32_MODE,
irqstack.pv_va + ((IRQ_STACK_SIZE * PAGE_SIZE) * (cpu + 1))); irqstack.pv_va + ((IRQ_STACK_SIZE * PAGE_SIZE) * (cpu + 1)));
set_stackptr(PSR_ABT32_MODE, set_stackptr(PSR_ABT32_MODE,
abtstack.pv_va + ((ABT_STACK_SIZE * PAGE_SIZE) * (cpu + 1))); abtstack.pv_va + ((ABT_STACK_SIZE * PAGE_SIZE) * (cpu + 1)));
set_stackptr(PSR_UND32_MODE, set_stackptr(PSR_UND32_MODE,
undstack.pv_va + ((UND_STACK_SIZE * PAGE_SIZE) * (cpu + 1))); undstack.pv_va + ((UND_STACK_SIZE * PAGE_SIZE) * (cpu + 1)));
} }
#endif #endif
static void
arm_kdb_init(void)
{
kdb_init();
#ifdef KDB
if (boothowto & RB_KDB)
kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger");
#endif
}
#ifdef FDT #ifdef FDT
#if __ARM_ARCH < 6 #if __ARM_ARCH < 6
void * void *
initarm(struct arm_boot_params *abp) initarm(struct arm_boot_params *abp)
{ {
struct mem_region mem_regions[FDT_MEM_REGIONS]; struct mem_region mem_regions[FDT_MEM_REGIONS];
struct pv_addr kernel_l1pt; struct pv_addr kernel_l1pt;
struct pv_addr dpcpu; struct pv_addr dpcpu;
▲ Show 20 Lines • Show All 252 Lines • ▼ Show 20 Lines#define alloc_pages(var, np) \
* Prepare the list of physical memory available to the vm subsystem. * Prepare the list of physical memory available to the vm subsystem.
*/ */
arm_physmem_exclude_region(abp->abp_physaddr, arm_physmem_exclude_region(abp->abp_physaddr,
(virtual_avail - KERNVIRTADDR), EXFLAG_NOALLOC); (virtual_avail - KERNVIRTADDR), EXFLAG_NOALLOC);
arm_physmem_init_kernel_globals(); arm_physmem_init_kernel_globals();
init_param2(physmem); init_param2(physmem);
dbg_monitor_init(); dbg_monitor_init();
kdb_init(); arm_kdb_init();
return ((void *)(kernelstack.pv_va + USPACE_SVC_STACK_TOP - return ((void *)(kernelstack.pv_va + USPACE_SVC_STACK_TOP -
sizeof(struct pcb))); sizeof(struct pcb)));
} }
#else /* __ARM_ARCH < 6 */ #else /* __ARM_ARCH < 6 */
void * void *
initarm(struct arm_boot_params *abp) initarm(struct arm_boot_params *abp)
{ {
▲ Show 20 Lines • Show All 192 Lines • ▼ Show 20 Lines#endif
arm_physmem_exclude_region(abp->abp_physaddr, arm_physmem_exclude_region(abp->abp_physaddr,
pmap_preboot_get_pages(0) - abp->abp_physaddr, EXFLAG_NOALLOC); pmap_preboot_get_pages(0) - abp->abp_physaddr, EXFLAG_NOALLOC);
arm_physmem_init_kernel_globals(); arm_physmem_init_kernel_globals();
init_param2(physmem); init_param2(physmem);
/* Init message buffer. */ /* Init message buffer. */
msgbufinit(msgbufp, msgbufsize); msgbufinit(msgbufp, msgbufsize);
dbg_monitor_init(); dbg_monitor_init();
kdb_init(); arm_kdb_init();
/* Apply possible BP hardening. */ /* Apply possible BP hardening. */
cpuinfo_init_bp_hardening(); cpuinfo_init_bp_hardening();
return ((void *)STACKALIGN(thread0.td_pcb)); return ((void *)STACKALIGN(thread0.td_pcb));
} }
#endif /* __ARM_ARCH < 6 */ #endif /* __ARM_ARCH < 6 */
#endif /* FDT */ #endif /* FDT */