*
* @APPLE_LICENSE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#ifdef __APPLE_API_PRIVATE
#ifdef MACH_KERNEL_PRIVATE
-#include <stdint.h>
-#include <mach/vm_types.h>
-
-#pragma pack(4) /* Make sure the structure stays as we defined it */
+#include <mach/ppc/vm_types.h>
typedef struct savearea_comm {
/*
*/
-/* Keep the save_prev, sac_next, and sac_prev in these positions, some assembler code depends upon it to
+/* Keep the save_prev, sac_next, and sac_prev in these positions, some assemble code depends upon it to
* match up with fields in saveanchor.
*/
- /* offset 0x000 */
- addr64_t save_prev; /* The address of the previous (or next) savearea */
- addr64_t sac_next; /* Points to next savearea page that has a free slot - real */
- addr64_t sac_prev; /* Points to previous savearea page that has a free slot - real */
+ struct savearea *save_prev; /* The address of the previous (or next) savearea */
+ unsigned int *sac_next; /* Points to next savearea page that has a free slot - real */
+ unsigned int *sac_prev; /* Points to previous savearea page that has a free slot - real */
+ unsigned int save_flags; /* Various flags */
unsigned int save_level; /* Context ID */
- unsigned int save_01C;
-
- /* 0x20 */
unsigned int save_time[2]; /* Context save time - for debugging or performance */
struct thread_activation *save_act; /* Associated activation */
- unsigned int save_02c;
- uint64_t sac_vrswap; /* XOR mask to swap V to R or vice versa */
- unsigned int save_flags; /* Various flags */
- unsigned int sac_flags; /* Various flags */
-
- /* offset 0x040 */
- uint64_t save_misc0; /* Various stuff */
- uint64_t save_misc1; /* Various stuff */
+
+/* 0x20 */
+
+ unsigned int sac_vrswap; /* XOR mask to swap V to R or vice versa */
unsigned int sac_alloc; /* Bitmap of allocated slots */
- unsigned int save_054;
- unsigned int save_misc2;
- unsigned int save_misc3;
+ unsigned int sac_flags; /* Various flags */
+ unsigned int save_misc0; /* Various stuff */
+ unsigned int save_misc1; /* Various stuff */
+ unsigned int save_misc2; /* Various stuff */
+ unsigned int save_misc3; /* Various stuff */
+ unsigned int save_misc4; /* Various stuff */
+
+ unsigned int save_040[8]; /* Fill 32 bytes */
/* offset 0x0060 */
} savearea_comm;
-#pragma pack()
#endif
#ifdef BSD_KERNEL_PRIVATE
* This type of savearea contains all of the general context.
*/
-#pragma pack(4) /* Make sure the structure stays as we defined it */
typedef struct savearea {
savearea_comm save_hdr; /* Stuff common to all saveareas */
unsigned int save_060[8]; /* Fill 32 bytes */
-
- /* offset 0x0080 */
- uint64_t save_r0;
- uint64_t save_r1;
- uint64_t save_r2;
- uint64_t save_r3;
- /* offset 0x0A0 */
- uint64_t save_r4;
- uint64_t save_r5;
- uint64_t save_r6;
- uint64_t save_r7;
- /* offset 0x0C0 */
- uint64_t save_r8;
- uint64_t save_r9;
- uint64_t save_r10;
- uint64_t save_r11;
- /* offset 0x0E0 */
- uint64_t save_r12;
- uint64_t save_r13;
- uint64_t save_r14;
- uint64_t save_r15;
- /* offset 0x100 */
- uint64_t save_r16;
- uint64_t save_r17;
- uint64_t save_r18;
- uint64_t save_r19;
- /* offset 0x120 */
- uint64_t save_r20;
- uint64_t save_r21;
- uint64_t save_r22;
- uint64_t save_r23;
- /* offset 0x140 */
- uint64_t save_r24;
- uint64_t save_r25;
- uint64_t save_r26;
- uint64_t save_r27;
- /* offset 0x160 */
- uint64_t save_r28;
- uint64_t save_r29;
- uint64_t save_r30;
- uint64_t save_r31;
- /* offset 0x180 */
- uint64_t save_srr0;
- uint64_t save_srr1;
- uint64_t save_xer;
- uint64_t save_lr;
- /* offset 0x1A0 */
- uint64_t save_ctr;
- uint64_t save_dar;
+ /* offset 0x0080 */
+ unsigned int save_r0;
+ unsigned int save_r1;
+ unsigned int save_r2;
+ unsigned int save_r3;
+ unsigned int save_r4;
+ unsigned int save_r5;
+ unsigned int save_r6;
+ unsigned int save_r7;
+
+ /* offset 0x0A0 */
+ unsigned int save_r8;
+ unsigned int save_r9;
+ unsigned int save_r10;
+ unsigned int save_r11;
+ unsigned int save_r12;
+ unsigned int save_r13;
+ unsigned int save_r14;
+ unsigned int save_r15;
+
+ /* offset 0x0C0 */
+ unsigned int save_r16;
+ unsigned int save_r17;
+ unsigned int save_r18;
+ unsigned int save_r19;
+ unsigned int save_r20;
+ unsigned int save_r21;
+ unsigned int save_r22;
+ unsigned int save_r23;
+
+ /* offset 0x0E0 */
+ unsigned int save_r24;
+ unsigned int save_r25;
+ unsigned int save_r26;
+ unsigned int save_r27;
+ unsigned int save_r28;
+ unsigned int save_r29;
+ unsigned int save_r30;
+ unsigned int save_r31;
+
+ /* offset 0x100 */
+ unsigned int save_srr0;
+ unsigned int save_srr1;
unsigned int save_cr;
+ unsigned int save_xer;
+ unsigned int save_lr;
+ unsigned int save_ctr;
+ unsigned int save_dar;
unsigned int save_dsisr;
- unsigned int save_exception;
- unsigned int save_vrsave;
- /* offset 0x1C0 */
- unsigned int save_vscr[4];
+
+
+ /* offset 0x120 */
+ unsigned int save_vscr[4];
unsigned int save_fpscrpad;
unsigned int save_fpscr;
- unsigned int save_1d8[2];
- /* offset 0x1E0 */
+ unsigned int save_exception;
+ unsigned int save_vrsave;
+
+ /* offset 0x140 */
+ unsigned int save_sr0;
+ unsigned int save_sr1;
+ unsigned int save_sr2;
+ unsigned int save_sr3;
+ unsigned int save_sr4;
+ unsigned int save_sr5;
+ unsigned int save_sr6;
+ unsigned int save_sr7;
+
+ /* offset 0x160 */
+ unsigned int save_sr8;
+ unsigned int save_sr9;
+ unsigned int save_sr10;
+ unsigned int save_sr11;
+ unsigned int save_sr12;
+ unsigned int save_sr13;
+ unsigned int save_sr14;
+ unsigned int save_sr15;
+
+ /* offset 0x180 */
+ unsigned int save_180[8];
+ unsigned int save_1A0[8];
+ unsigned int save_1C0[8];
unsigned int save_1E0[8];
- /* offset 0x200 - keep on 128 byte bndry */
- uint32_t save_pmc[8];
- uint64_t save_mmcr0; /* offset 0x220 */
- uint64_t save_mmcr1;
- uint64_t save_mmcr2;
-
- unsigned int save_238[2];
- /* offset 0x240 */
- unsigned int save_instr[16]; /* Instrumentation */
+ unsigned int save_200[8];
+ unsigned int save_220[8];
+ unsigned int save_240[8];
+ unsigned int save_260[8];
+
/* offset 0x280 */
} savearea;
-#pragma pack()
/*
* This type of savearea contains all of the floating point context.
*/
-#pragma pack(4) /* Make sure the structure stays as we defined it */
typedef struct savearea_fpu {
savearea_comm save_hdr; /* Stuff common to all saveareas */
/* offset 0x280 */
} savearea_fpu;
-#pragma pack()
* This type of savearea contains all of the vector context.
*/
-#pragma pack(4) /* Make sure the structure stays as we defined it */
typedef struct savearea_vec {
savearea_comm save_hdr; /* Stuff common to all saveareas */
/* offset 0x280 */
} savearea_vec;
-#pragma pack()
#endif /* MACH_KERNEL_PRIVATE || BSD_KERNEL_PRIVATE */
#ifdef MACH_KERNEL_PRIVATE
-#pragma pack(4) /* Make sure the structure stays as we defined it */
struct Saveanchor {
/*
* updated with translation and interrupts disabled. This is because it is
* locked during exception processing and if we were to take a PTE miss while the
* lock were held, well, that would be very bad now wouldn't it?
- * Note that the first 24 bytes must be the same format as a savearea header.
*/
- unsigned int savelock; /* 000 Lock word for savearea free list manipulation */
- int saveRSVD4; /* 004 reserved */
- addr64_t savepoolfwd; /* 008 Forward anchor for the free pool */
- addr64_t savepoolbwd; /* 010 Backward anchor for the free pool */
- volatile addr64_t savefree; /* 018 Anchor for the global free list */
- volatile unsigned int savefreecnt; /* 020 Number of saveareas on global free list */
- volatile int saveadjust; /* 024 If 0 number of saveareas is ok, otherwise # to change (pos means grow, neg means shrink */
- volatile int saveinuse; /* 028 Number of areas in use counting those on the local free list */
- volatile int savetarget; /* 02C Number of savearea's needed */
- int savemaxcount; /* 030 Maximum saveareas ever allocated */
- unsigned int saveRSVD034[3]; /* 034 reserved */
-/* 040 */
+ unsigned int savelock; /* Lock word for savearea free list manipulation */
+ unsigned int *savepoolfwd; /* Forward anchor for the free pool */
+ unsigned int *savepoolbwd; /* Backward anchor for the free pool */
+ volatile unsigned int savefree; /* Anchor for the global free list */
+ volatile unsigned int savefreecnt; /* Number of saveareas on global free list */
+ volatile int saveadjust; /* If 0 number of saveareas is ok, otherwise number to change (positive means grow, negative means shrink */
+ volatile int saveinuse; /* Number of areas in use counting those on the local free list */
+ volatile int savetarget; /* Number of savearea's needed */
+ int savemaxcount; /* Maximum saveareas ever allocated */
+
};
-#pragma pack()
#define sac_cnt (4096 / sizeof(savearea)) /* Number of saveareas per page */
#define InitialSaveAreas (2 * FreeListMin) /* The number of saveareas to make at boot time */
#define InitialSaveTarget FreeListMin /* The number of saveareas for an initial target. This should be the minimum ever needed. */
#define InitialSaveBloks (InitialSaveAreas + sac_cnt - 1) / sac_cnt /* The number of savearea blocks to allocate at boot */
-#define BackPocketSaveBloks 8 /* Number of pages of back pocket saveareas */
-
-void save_queue(ppnum_t); /* Add a new savearea block to the free list */
-addr64_t save_get_init(void); /* special savearea-get for cpu initialization (returns physical address) */
-struct savearea *save_get(void); /* Obtains a savearea from the free list (returns virtual address) */
-reg64_t save_get_phys_32(void); /* Obtains a savearea from the free list (returns phys addr in r3) */
-reg64_t save_get_phys_64(void); /* Obtains a savearea from the free list (returns phys addr in r3) */
-struct savearea *save_alloc(void); /* Obtains a savearea and allocates blocks if needed */
-struct savearea *save_cpv(addr64_t); /* Converts a physical savearea address to virtual */
-void save_ret(struct savearea *); /* Returns a savearea to the free list by virtual address */
-void save_ret_wMSR(struct savearea *, reg64_t); /* returns a savearea and restores an MSR */
-void save_ret_phys(reg64_t); /* Returns a savearea to the free list by physical address */
-void save_adjust(void); /* Adjust size of the global free list */
-struct savearea_comm *save_trim_free(void); /* Remove free pages from savearea pool */
-int save_recover(void); /* returns nonzero if we can recover enough from the free pool */
-void savearea_init(vm_offset_t addr); /* Boot-time savearea initialization */
+void save_release(struct savearea *); /* Release a save area */
+struct savectl *save_dequeue(void); /* Find and dequeue one that is all empty */
+unsigned int save_queue(struct savearea *); /* Add a new savearea block to the free list */
+struct savearea *save_get(void); /* Obtains a savearea from the free list (returns virtual address) */
+struct savearea *save_get_phys(void); /* Obtains a savearea from the free list (returns physical address) */
+struct savearea *save_alloc(void); /* Obtains a savearea and allocates blocks if needed */
+struct savearea *save_cpv(struct savearea *); /* Converts a physical savearea address to virtual */
+void save_ret(struct savearea *); /* Returns a savearea to the free list */
+void save_ret_phys(struct savearea *); /* Returns a savearea to the free list */
+void save_adjust(void); /* Adjust size of the global free list */
+struct savearea_comm *save_trim_freet(void); /* Remove free pages from savearea pool */
+
#endif /* MACH_KERNEL_PRIVATE */
#endif /* __APPLE_API_PRIVATE */
#define SAVrststk 0x00010000 /* Indicates that the current stack should be reset to empty */
#define SAVsyscall 0x00020000 /* Indicates that the savearea is associated with a syscall */
#define SAVredrive 0x00040000 /* Indicates that the low-level fault handler associated */
-#define SAVredriveb 13 /* Indicates that the low-level fault handler associated */
-#define SAVinstrument 0x00080000 /* Indicates that we should return instrumentation data */
-#define SAVinstrumentb 12 /* Indicates that we should return instrumentation data */
#define SAVtype 0x0000FF00 /* Shows type of savearea */
#define SAVtypeshft 8 /* Shift to position type */
#define SAVempty 0x86 /* Savearea is on free list */
#define SAVfloat 0x02 /* Savearea contains floating point context */
#define SAVvector 0x03 /* Savearea contains vector context */
-
-
#endif /* _PPC_SAVEAREA_H_ */
projects / apple / xnu.git / blobdiff