X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0b4e3aa066abc0728aacb4bbeb86f53f9737156e..a3d08fcd5120d2aa8303b6349ca8b14e3f284af3:/osfmk/ppc/thread_act.h diff --git a/osfmk/ppc/thread_act.h b/osfmk/ppc/thread_act.h index 09e3097c5..2586d5fb8 100644 --- a/osfmk/ppc/thread_act.h +++ b/osfmk/ppc/thread_act.h @@ -33,6 +33,7 @@ #include #include #include +#include /* * Kernel state structure @@ -44,33 +45,37 @@ /* * 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) @@ -80,17 +85,20 @@ typedef struct MachineThrAct { * 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 */ @@ -98,6 +106,12 @@ typedef struct MachineThrAct { 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 */ @@ -109,23 +123,35 @@ typedef struct MachineThrAct { #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 @@ -136,11 +162,19 @@ typedef struct MachineThrAct { } 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_ */