#include <mach/thread_status.h>
#include <kern/lock.h>
#include <kern/clock.h>
+#include <ppc/savearea.h>
/*
* Kernel state structure
/*
* PPC process control block
*
- * In the continuation model, the PCB holds the user context. It is used
- * on entry to the kernel from user mode, either by system call or trap,
- * to store the necessary user registers and other state.
+ * The PCB holds normal context. It does not contain vector or floating point
+ * registers.
*
- * Note that this structure overlays a savearea. Make sure that these
- * guys are updated in concert with that.
*/
-struct pcb
-{
- struct ppc_saved_state ss;
- struct ppc_exception_state es;
- struct ppc_float_state fs;
- unsigned int gas1[6]; /* Force alignment with savearea */
- struct ppc_vector_state vec;
+typedef struct savearea pcb;
+typedef struct savearea *pcb_t;
+
+struct facility_context {
+
+ savearea_fpu *FPUsave; /* The floating point savearea */
+ savearea *FPUlevel; /* The floating point context level */
+ unsigned int FPUcpu; /* The last processor to enable floating point */
+ unsigned int FPUsync; /* Sync lock */
+ savearea_vec *VMXsave; /* The VMX savearea */
+ savearea *VMXlevel; /* The VMX context level */
+ unsigned int VMXcpu; /* The last processor to enable vector */
+ unsigned int VMXsync; /* Sync lock */
+ struct thread_activation *facAct; /* Activation associated with context */
};
-typedef struct pcb *pcb_t;
+typedef struct facility_context facility_context;
/*
* Maps state flavor to number of words in the state:
*/
extern unsigned int state_count[];
-#define USER_REGS(ThrAct) (&(ThrAct)->mact.pcb->ss)
+#define USER_REGS(ThrAct) ((ThrAct)->mact.pcb)
-#define user_pc(ThrAct) ((ThrAct)->mact.pcb->ss.srr0)
+#define user_pc(ThrAct) ((ThrAct)->mact.pcb->save_srr0)
#define act_machine_state_ptr(ThrAct) (thread_state_t)USER_REGS(ThrAct)
* one for each active facility context. They may point to the
* same saveareas.
*/
- pcb_t pcb; /* The "normal" savearea */
- pcb_t FPU_pcb; /* The floating point savearea */
- pcb_t FPU_lvl; /* The floating point context level */
- unsigned int FPU_cpu; /* The last processor to enable floating point */
- pcb_t VMX_pcb; /* The VMX savearea */
- pcb_t VMX_lvl; /* The VMX context level */
- unsigned int VMX_cpu; /* The last processor to enable vector */
+ savearea *pcb; /* The "normal" savearea */
+ savearea *upcb; /* The "normal" user savearea */
+ facility_context *curctx; /* Current facility context */
+ facility_context *deferctx; /* Deferred facility context */
+ facility_context facctx; /* "Normal" facility context */
struct vmmCntrlEntry *vmmCEntry; /* Pointer current emulation context or 0 */
struct vmmCntrlTable *vmmControl; /* Pointer to virtual machine monitor control table */
uint64_t qactTimer; /* Time thread needs to interrupt. This is a single-shot timer. Zero is unset */
+ unsigned int cioSpace; /* Address space ID for in progress copyin/out */
+#define cioSwitchAway 0x80000000 /* Context switched away from thread since MapUserAddressSpace */
+#define cioSwitchAwayb 0
+ addr64_t cioRelo; /* Relocation value for in progress copyin/out */
unsigned int ksp; /* points to TOP OF STACK or zero */
+ unsigned int preemption_count; /* preemption count */
unsigned int bbDescAddr; /* Points to Blue Box Trap descriptor area in kernel (page aligned) */
unsigned int bbUserDA; /* Points to Blue Box Trap descriptor area in user (page aligned) */
unsigned int bbTableStart; /* Points to Blue Box Trap dispatch area in user */
unsigned int bbTaskID; /* Opaque task ID for Blue Box threads */
unsigned int bbTaskEnv; /* Opaque task data reference for Blue Box threads */
unsigned int specFlags; /* Special flags */
+ unsigned int pmcovfl[8]; /* PMC overflow count */
+ unsigned int perfmonFlags; /* Perfmon facility flags */
+ unsigned int bbTrap; /* Blue Box trap vector */
+ unsigned int bbSysCall; /* Blue Box syscall vector */
+ unsigned int bbInterrupt; /* Blue Box interrupt vector */
+ unsigned int bbPending; /* Blue Box pending interrupt vector */
/* special flags bits */
#define vectorCngbit 6
#define timerPopbit 7
#define userProtKeybit 8
+#define FamVMenabit 11
+#define FamVMmodebit 12
+#define perfMonitorbit 13
+#define OnProcbit 14
/* NOTE: Do not move or assign bit 31 without changing exception vector ultra fast path code */
#define bbThreadbit 28
#define bbNoMachSCbit 29
#define bbPreemptivebit 30
#define spfReserved1 31 /* See note above */
-#define ignoreZeroFault (1<<(31-ignoreZeroFaultbit))
-#define floatUsed (1<<(31-floatUsedbit))
-#define vectorUsed (1<<(31-vectorUsedbit))
-#define runningVM (1<<(31-runningVMbit))
-#define floatCng (1<<(31-floatCngbit))
-#define vectorCng (1<<(31-vectorCngbit))
-#define timerPop (1<<(31-timerPopbit))
-#define userProtKey (1<<(31-userProtKeybit))
-#define bbThread (1<<(31-bbThreadbit))
-#define bbNoMachSC (1<<(31-bbNoMachSCbit))
-#define bbPreemptive (1<<(31-bbPreemptivebit))
+#define ignoreZeroFault 0x80000000 /* (1<<(31-ignoreZeroFaultbit)) */
+#define floatUsed 0x40000000 /* (1<<(31-floatUsedbit)) */
+#define vectorUsed 0x20000000 /* (1<<(31-vectorUsedbit)) */
+
+#define runningVM 0x08000000 /* (1<<(31-runningVMbit)) */
+#define floatCng 0x04000000 /* (1<<(31-floatCngbit)) */
+#define vectorCng 0x02000000 /* (1<<(31-vectorCngbit)) */
+#define timerPop 0x01000000 /* (1<<(31-timerPopbit)) */
+
+#define userProtKey 0x00800000 /* (1<<(31-userProtKeybit)) */
+
+#define FamVMena 0x00100000 /* (1<<(31-FamVMenabit)) */
+#define FamVMmode 0x00080000 /* (1<<(31-FamVMmodebit)) */
+#define perfMonitor 0x00040000 /* (1<<(31-perfMonitorbit)) */
+#define OnProc 0x00020000 /* (1<<(31-OnProcbit)) */
+
+#define bbThread 0x00000008 /* (1<<(31-bbThreadbit)) */
+#define bbNoMachSC 0x00000004 /* (1<<(31-bbNoMachSCbit)) */
+#define bbPreemptive 0x00000002 /* (1<<(31-bbPreemptivebit)) */
#define fvChkb 0
#define fvChk 0x80000000
} MachineThrAct, *MachineThrAct_t;
-extern struct ppc_saved_state * find_user_regs(thread_act_t act);
-extern struct ppc_float_state * find_user_fpu(thread_act_t act);
+extern struct savearea *find_user_regs(thread_act_t act);
+extern struct savearea *get_user_regs(thread_act_t);
+extern struct savearea_fpu *find_user_fpu(thread_act_t act);
+extern struct savearea_vec *find_user_vec(thread_act_t act);
+extern struct savearea_vec *find_user_vec_curr(void);
+extern int thread_enable_fpe(thread_act_t act, int onoff);
+
+extern struct savearea *find_kern_regs(thread_act_t act);
extern void *act_thread_csave(void);
extern void act_thread_catt(void *ctx);
extern void act_thread_cfree(void *ctx);
+#define current_act_fast() current_act()
+
#endif /* _PPC_THREAD_ACT_H_ */
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