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-rw-r--r--i386/Makefrag.am1
-rw-r--r--i386/configfrag.ac3
-rw-r--r--i386/i386/fpu.c26
-rw-r--r--i386/i386/io_perm.c7
-rw-r--r--i386/i386/machine_task.c20
-rw-r--r--i386/i386/pcb.c14
-rw-r--r--i386/i386/task.h4
-rw-r--r--i386/i386/zalloc.h29
-rw-r--r--i386/intel/pmap.c30
-rw-r--r--i386/intel/pmap.h1
10 files changed, 51 insertions, 84 deletions
diff --git a/i386/Makefrag.am b/i386/Makefrag.am
index ab3502a..aca4215 100644
--- a/i386/Makefrag.am
+++ b/i386/Makefrag.am
@@ -136,7 +136,6 @@ libkernel_a_SOURCES += \
i386/i386/vm_param.h \
i386/i386/vm_tuning.h \
i386/i386/xpr.h \
- i386/i386/zalloc.h \
i386/intel/pmap.c \
i386/intel/pmap.h \
i386/intel/read_fault.c \
diff --git a/i386/configfrag.ac b/i386/configfrag.ac
index e4ce97e..77f66af 100644
--- a/i386/configfrag.ac
+++ b/i386/configfrag.ac
@@ -25,6 +25,9 @@ dnl USE OF THIS SOFTWARE.
AC_DEFINE([__ELF__], [1], [__ELF__])
AC_DEFINE([i386], [1], [i386])
+ # Determines the size of the CPU cache line.
+ AC_DEFINE([CPU_L1_SHIFT], [6], [CPU_L1_SHIFT])
+
[# Does the architecture provide machine-specific interfaces?
mach_machine_routines=1;;
*)]
diff --git a/i386/i386/fpu.c b/i386/i386/fpu.c
index 2626a38..f2c8124 100644
--- a/i386/i386/fpu.c
+++ b/i386/i386/fpu.c
@@ -44,10 +44,9 @@
#include <kern/debug.h>
#include <machine/machspl.h> /* spls */
-#include <kern/mach_param.h>
#include <kern/printf.h>
#include <kern/thread.h>
-#include <kern/zalloc.h>
+#include <kern/slab.h>
#include <i386/thread.h>
#include <i386/fpu.h>
@@ -72,7 +71,7 @@
extern void i386_exception();
int fp_kind = FP_387; /* 80387 present */
-zone_t ifps_zone; /* zone for FPU save area */
+struct kmem_cache ifps_cache; /* cache for FPU save area */
static unsigned long mxcsr_feature_mask = 0xffffffff; /* Always AND user-provided mxcsr with this security mask */
void fp_save(thread_t thread);
@@ -193,10 +192,9 @@ init_fpu()
void
fpu_module_init()
{
- ifps_zone = zinit(sizeof(struct i386_fpsave_state), 16,
- THREAD_MAX * sizeof(struct i386_fpsave_state),
- THREAD_CHUNK * sizeof(struct i386_fpsave_state),
- 0, "i386 fpsave state");
+ kmem_cache_init(&ifps_cache, "i386_fpsave_state",
+ sizeof(struct i386_fpsave_state), 16,
+ NULL, NULL, NULL, 0);
}
/*
@@ -221,7 +219,7 @@ ASSERT_IPL(SPL0);
clear_fpu();
}
#endif /* NCPUS == 1 */
- zfree(ifps_zone, (vm_offset_t) fps);
+ kmem_cache_free(&ifps_cache, (vm_offset_t) fps);
}
/* The two following functions were stolen from Linux's i387.c */
@@ -335,7 +333,7 @@ ASSERT_IPL(SPL0);
simple_unlock(&pcb->lock);
if (ifps != 0) {
- zfree(ifps_zone, (vm_offset_t) ifps);
+ kmem_cache_free(&ifps_cache, (vm_offset_t) ifps);
}
}
else {
@@ -356,7 +354,7 @@ ASSERT_IPL(SPL0);
if (ifps == 0) {
if (new_ifps == 0) {
simple_unlock(&pcb->lock);
- new_ifps = (struct i386_fpsave_state *) zalloc(ifps_zone);
+ new_ifps = (struct i386_fpsave_state *) kmem_cache_alloc(&ifps_cache);
goto Retry;
}
ifps = new_ifps;
@@ -396,7 +394,7 @@ ASSERT_IPL(SPL0);
simple_unlock(&pcb->lock);
if (new_ifps != 0)
- zfree(ifps_zone, (vm_offset_t) new_ifps);
+ kmem_cache_free(&ifps_cache, (vm_offset_t) new_ifps);
}
return KERN_SUCCESS;
@@ -609,7 +607,7 @@ fpextovrflt()
clear_fpu();
if (ifps)
- zfree(ifps_zone, (vm_offset_t) ifps);
+ kmem_cache_free(&ifps_cache, (vm_offset_t) ifps);
/*
* Raise exception.
@@ -785,7 +783,7 @@ fp_load(thread)
ASSERT_IPL(SPL0);
ifps = pcb->ims.ifps;
if (ifps == 0) {
- ifps = (struct i386_fpsave_state *) zalloc(ifps_zone);
+ ifps = (struct i386_fpsave_state *) kmem_cache_alloc(&ifps_cache);
memset(ifps, 0, sizeof *ifps);
pcb->ims.ifps = ifps;
fpinit();
@@ -836,7 +834,7 @@ fp_state_alloc()
pcb_t pcb = current_thread()->pcb;
struct i386_fpsave_state *ifps;
- ifps = (struct i386_fpsave_state *)zalloc(ifps_zone);
+ ifps = (struct i386_fpsave_state *)kmem_cache_alloc(&ifps_cache);
memset(ifps, 0, sizeof *ifps);
pcb->ims.ifps = ifps;
diff --git a/i386/i386/io_perm.c b/i386/i386/io_perm.c
index df25cc6..8bacb8d 100644
--- a/i386/i386/io_perm.c
+++ b/i386/i386/io_perm.c
@@ -54,7 +54,8 @@
#include <ipc/ipc_port.h>
#include <ipc/ipc_space.h>
-#include <kern/zalloc.h>
+#include <kern/slab.h>
+#include <kern/kalloc.h>
#include <kern/lock.h>
#include <kern/queue.h>
#include <kern/thread.h>
@@ -257,12 +258,12 @@ i386_io_perm_modify (task_t target_task, io_perm_t io_perm, boolean_t enable)
if (!iopb)
{
simple_unlock (&target_task->machine.iopb_lock);
- iopb = (unsigned char *) zalloc (machine_task_iopb_zone);
+ iopb = (unsigned char *) kmem_cache_alloc (&machine_task_iopb_cache);
simple_lock (&target_task->machine.iopb_lock);
if (target_task->machine.iopb)
{
if (iopb)
- zfree (machine_task_iopb_zone, (vm_offset_t) iopb);
+ kmem_cache_free (&machine_task_iopb_cache, (vm_offset_t) iopb);
iopb = target_task->machine.iopb;
iopb_size = target_task->machine.iopb_size;
}
diff --git a/i386/i386/machine_task.c b/i386/i386/machine_task.c
index 35b89e0..62b22e3 100644
--- a/i386/i386/machine_task.c
+++ b/i386/i386/machine_task.c
@@ -22,15 +22,14 @@
#include <kern/lock.h>
#include <mach/mach_types.h>
-#include <kern/zalloc.h>
-#include <kern/mach_param.h>
+#include <kern/slab.h>
#include <machine/task.h>
#include <machine/io_perm.h>
-/* The zone which holds our IO permission bitmaps. */
-zone_t machine_task_iopb_zone;
+/* The cache which holds our IO permission bitmaps. */
+struct kmem_cache machine_task_iopb_cache;
/* Initialize the machine task module. The function is called once at
@@ -38,11 +37,8 @@ zone_t machine_task_iopb_zone;
void
machine_task_module_init (void)
{
- machine_task_iopb_zone = zinit (IOPB_BYTES, 0,
- TASK_MAX * IOPB_BYTES,
- IOPB_BYTES,
- ZONE_COLLECTABLE | ZONE_EXHAUSTIBLE,
- "i386 machine task iopb");
+ kmem_cache_init (&machine_task_iopb_cache, "i386_task_iopb", IOPB_BYTES, 0,
+ NULL, NULL, NULL, 0);
}
@@ -62,7 +58,8 @@ void
machine_task_terminate (task_t task)
{
if (task->machine.iopb)
- zfree (machine_task_iopb_zone, (vm_offset_t) task->machine.iopb);
+ kmem_cache_free (&machine_task_iopb_cache,
+ (vm_offset_t) task->machine.iopb);
}
@@ -74,7 +71,8 @@ machine_task_collect (task_t task)
simple_lock (&task->machine.iopb_lock);
if (task->machine.iopb_size == 0 && task->machine.iopb)
{
- zfree (machine_task_iopb_zone, (vm_offset_t) task->machine.iopb);
+ kmem_cache_free (&machine_task_iopb_cache,
+ (vm_offset_t) task->machine.iopb);
task->machine.iopb = 0;
}
simple_unlock (&task->machine.iopb_lock);
diff --git a/i386/i386/pcb.c b/i386/i386/pcb.c
index fffa92a..e065dbb 100644
--- a/i386/i386/pcb.c
+++ b/i386/i386/pcb.c
@@ -36,9 +36,9 @@
#include "vm_param.h"
#include <kern/counters.h>
#include <kern/debug.h>
-#include <kern/mach_param.h>
#include <kern/thread.h>
#include <kern/sched_prim.h>
+#include <kern/slab.h>
#include <vm/vm_kern.h>
#include <vm/pmap.h>
@@ -65,7 +65,7 @@ extern void Thread_continue();
extern void user_ldt_free();
-zone_t pcb_zone;
+struct kmem_cache pcb_cache;
vm_offset_t kernel_stack[NCPUS]; /* top of active_stack */
@@ -369,10 +369,8 @@ thread_t switch_context(old, continuation, new)
void pcb_module_init()
{
- pcb_zone = zinit(sizeof(struct pcb), 0,
- THREAD_MAX * sizeof(struct pcb),
- THREAD_CHUNK * sizeof(struct pcb),
- 0, "i386 pcb state");
+ kmem_cache_init(&pcb_cache, "pcb", sizeof(struct pcb), 0,
+ NULL, NULL, NULL, 0);
fpu_module_init();
}
@@ -382,7 +380,7 @@ void pcb_init(thread)
{
register pcb_t pcb;
- pcb = (pcb_t) zalloc(pcb_zone);
+ pcb = (pcb_t) kmem_cache_alloc(&pcb_cache);
if (pcb == 0)
panic("pcb_init");
@@ -422,7 +420,7 @@ void pcb_terminate(thread)
fp_free(pcb->ims.ifps);
if (pcb->ims.ldt != 0)
user_ldt_free(pcb->ims.ldt);
- zfree(pcb_zone, (vm_offset_t) pcb);
+ kmem_cache_free(&pcb_cache, (vm_offset_t) pcb);
thread->pcb = 0;
}
diff --git a/i386/i386/task.h b/i386/i386/task.h
index ca8de04..0060ad4 100644
--- a/i386/i386/task.h
+++ b/i386/i386/task.h
@@ -24,7 +24,7 @@
#define _I386_TASK_H_
#include <kern/kern_types.h>
-#include <kern/zalloc.h>
+#include <kern/slab.h>
/* The machine specific data of a task. */
struct machine_task
@@ -41,7 +41,7 @@ struct machine_task
typedef struct machine_task machine_task_t;
-extern zone_t machine_task_iopb_zone;
+extern struct kmem_cache machine_task_iopb_cache;
/* Initialize the machine task module. The function is called once at
start up by task_init in kern/task.c. */
diff --git a/i386/i386/zalloc.h b/i386/i386/zalloc.h
deleted file mode 100644
index bf7cf6b..0000000
--- a/i386/i386/zalloc.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (c) 1996-1994 The University of Utah and
- * the Computer Systems Laboratory (CSL). All rights reserved.
- *
- * Permission to use, copy, modify and distribute this software is hereby
- * granted provided that (1) source code retains these copyright, permission,
- * and disclaimer notices, and (2) redistributions including binaries
- * reproduce the notices in supporting documentation, and (3) all advertising
- * materials mentioning features or use of this software display the following
- * acknowledgement: ``This product includes software developed by the
- * Computer Systems Laboratory at the University of Utah.''
- *
- * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
- * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
- * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * CSL requests users of this software to return to csl-dist@cs.utah.edu any
- * improvements that they make and grant CSL redistribution rights.
- *
- * Utah $Hdr: zalloc.h 1.4 94/12/16$
- * Author: Bryan Ford
- */
-
-#ifndef _I386_ZALLOC_H_
-#define _I386_ZALLOC_H_
-
-#include <kern/zalloc.h>
-
-#endif /* _I386_ZALLOC_H_ */
diff --git a/i386/intel/pmap.c b/i386/intel/pmap.c
index c448e57..d6e18e5 100644
--- a/i386/intel/pmap.c
+++ b/i386/intel/pmap.c
@@ -63,7 +63,7 @@
#include <kern/debug.h>
#include <kern/printf.h>
#include <kern/thread.h>
-#include <kern/zalloc.h>
+#include <kern/slab.h>
#include <kern/lock.h>
@@ -113,7 +113,7 @@ pv_entry_t pv_head_table; /* array of entries, one per page */
/*
* pv_list entries are kept on a list that can only be accessed
* with the pmap system locked (at SPLVM, not in the cpus_active set).
- * The list is refilled from the pv_list_zone if it becomes empty.
+ * The list is refilled from the pv_list_cache if it becomes empty.
*/
pv_entry_t pv_free_list; /* free list at SPLVM */
decl_simple_lock_data(, pv_free_list_lock)
@@ -133,7 +133,7 @@ decl_simple_lock_data(, pv_free_list_lock)
simple_unlock(&pv_free_list_lock); \
}
-zone_t pv_list_zone; /* zone of pv_entry structures */
+struct kmem_cache pv_list_cache; /* cache of pv_entry structures */
/*
* Each entry in the pv_head_table is locked by a bit in the
@@ -400,7 +400,7 @@ struct pmap_update_list cpu_update_list[NCPUS];
struct pmap kernel_pmap_store;
pmap_t kernel_pmap;
-struct zone *pmap_zone; /* zone of pmap structures */
+struct kmem_cache pmap_cache; /* cache of pmap structures */
int pmap_debug = 0; /* flag for debugging prints */
@@ -937,13 +937,13 @@ void pmap_init()
pmap_phys_attributes = (char *) addr;
/*
- * Create the zone of physical maps,
+ * Create the cache of physical maps,
* and of the physical-to-virtual entries.
*/
s = (vm_size_t) sizeof(struct pmap);
- pmap_zone = zinit(s, 0, 400*s, 4096, 0, "pmap"); /* XXX */
+ kmem_cache_init(&pmap_cache, "pmap", s, 0, NULL, NULL, NULL, 0);
s = (vm_size_t) sizeof(struct pv_entry);
- pv_list_zone = zinit(s, 0, 10000*s, 4096, 0, "pv_list"); /* XXX */
+ kmem_cache_init(&pv_list_cache, "pv_entry", s, 0, NULL, NULL, NULL, 0);
#if NCPUS > 1
/*
@@ -1009,7 +1009,7 @@ pmap_page_table_page_alloc()
/*
* We cannot allocate the pmap_object in pmap_init,
- * because it is called before the zone package is up.
+ * because it is called before the cache package is up.
* Allocate it now if it is missing.
*/
if (pmap_object == VM_OBJECT_NULL)
@@ -1113,11 +1113,11 @@ pmap_t pmap_create(size)
}
/*
- * Allocate a pmap struct from the pmap_zone. Then allocate
- * the page descriptor table from the pd_zone.
+ * Allocate a pmap struct from the pmap_cache. Then allocate
+ * the page descriptor table.
*/
- p = (pmap_t) zalloc(pmap_zone);
+ p = (pmap_t) kmem_cache_alloc(&pmap_cache);
if (p == PMAP_NULL)
panic("pmap_create");
@@ -1232,7 +1232,7 @@ void pmap_destroy(p)
#endif /* MACH_XEN */
kmem_free(kernel_map, (vm_offset_t)p->pdpbase, INTEL_PGBYTES);
#endif /* PAE */
- zfree(pmap_zone, (vm_offset_t) p);
+ kmem_cache_free(&pmap_cache, (vm_offset_t) p);
}
/*
@@ -1782,7 +1782,7 @@ if (pmap_debug) printf("pmap(%x, %x)\n", v, pa);
/*
* Must allocate a new pvlist entry while we're unlocked;
- * zalloc may cause pageout (which will lock the pmap system).
+ * Allocating may cause pageout (which will lock the pmap system).
* If we determine we need a pvlist entry, we will unlock
* and allocate one. Then we will retry, throughing away
* the allocated entry later (if we no longer need it).
@@ -1966,9 +1966,9 @@ Retry:
PMAP_READ_UNLOCK(pmap, spl);
/*
- * Refill from zone.
+ * Refill from cache.
*/
- pv_e = (pv_entry_t) zalloc(pv_list_zone);
+ pv_e = (pv_entry_t) kmem_cache_alloc(&pv_list_cache);
goto Retry;
}
}
diff --git a/i386/intel/pmap.h b/i386/intel/pmap.h
index 7ba7d2c..e02ad36 100644
--- a/i386/intel/pmap.h
+++ b/i386/intel/pmap.h
@@ -37,7 +37,6 @@
#ifndef __ASSEMBLER__
-#include <kern/zalloc.h>
#include <kern/lock.h>
#include <mach/machine/vm_param.h>
#include <mach/vm_statistics.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 18:31:52 +0000