Export 'struct pcpu' to userland w/o requiring _KERNEL. A few ports
already define _KERNEL to get to this and I'm about to add hooks to libkvm to access per-CPU data. MFC after: 1 week
This commit is contained in:
John Baldwin
parent
e5bfdc768a
commit
70d12a18f2
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=181875
@ -33,8 +33,6 @@
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#error "sys/cdefs.h is a prerequisite for this file"
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#endif
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#ifdef _KERNEL
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/*
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* The SMP parts are setup in pmap.c and locore.s for the BSP, and
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* mp_machdep.c sets up the data for the AP's to "see" when they awake.
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@ -52,6 +50,8 @@
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u_int pc_apic_id; \
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u_int pc_acpi_id /* ACPI CPU id */
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#ifdef _KERNEL
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#ifdef lint
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extern struct pcpu *pcpup;
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@ -38,6 +38,8 @@
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struct vmspace;
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#endif /* _KERNEL */
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/*
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* Inside the kernel, the globally reserved register g7 is used to
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* point at the globaldata structure.
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@ -45,6 +47,8 @@ struct vmspace;
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#define PCPU_MD_FIELDS \
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struct pcup *pc_prvspace;
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#ifdef _KERNEL
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struct pcb;
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struct pcpu;
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@ -33,8 +33,6 @@
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#error "sys/cdefs.h is a prerequisite for this file"
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#endif
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#ifdef _KERNEL
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#include <machine/segments.h>
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#include <machine/tss.h>
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@ -82,6 +80,9 @@
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int pc_private_tss /* Flag indicating private tss */
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#endif
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#ifdef _KERNEL
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#ifdef lint
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extern struct pcpu *pcpup;
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@ -30,8 +30,6 @@
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#ifndef _MACHINE_PCPU_H_
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#define _MACHINE_PCPU_H_
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#ifdef _KERNEL
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#include <machine/pcb.h>
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#define PCPU_MD_FIELDS \
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@ -43,6 +41,8 @@
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uint32_t pc_awake:1; /* CPU is awake? */ \
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uint32_t pc_acpi_id /* ACPI CPU id. */
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#ifdef _KERNEL
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struct pcpu;
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register struct pcpu *pcpup __asm__("r13");
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@ -31,9 +31,8 @@
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#ifndef _MACHINE_PCPU_H_
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#define _MACHINE_PCPU_H_
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#ifdef _KERNEL
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#include <machine/pte.h>
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#define PCPU_MD_FIELDS \
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pd_entry_t *pc_segbase; /* curthread segbase */ \
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struct pmap *pc_curpmap; /* pmap of curthread */ \
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@ -42,6 +41,8 @@
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u_int pc_pending_ipis; /* the IPIs pending to this CPU */ \
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void *pc_boot_stack;
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#ifdef _KERNEL
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#ifdef SMP
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static __inline struct pcpu*
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get_pcpup(void)
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@ -30,7 +30,6 @@
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#ifndef _MACHINE_PCPU_H_
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#define _MACHINE_PCPU_H_
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#ifdef _KERNEL
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#include <machine/cpufunc.h>
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struct pmap;
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@ -117,6 +116,8 @@ struct pmap;
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int pc_md_placeholder
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#endif
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#ifdef _KERNEL
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#define pcpup ((struct pcpu *) powerpc_get_pcpup())
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#define PCPU_GET(member) (pcpup->pc_ ## member)
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@ -30,8 +30,6 @@
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#ifndef _MACHINE_PCPU_H_
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#define _MACHINE_PCPU_H_
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#ifdef _KERNEL
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#include <machine/asmacros.h>
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#include <machine/frame.h>
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#include <machine/intr_machdep.h>
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@ -59,6 +57,8 @@ struct pmap;
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u_int pc_tlb_ctx_max; \
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u_int pc_tlb_ctx_min
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#ifdef _KERNEL
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struct pcb;
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struct pcpu;
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@ -30,8 +30,6 @@
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#ifndef _MACHINE_PCPU_H_
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#define _MACHINE_PCPU_H_
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#ifdef _KERNEL
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#include <machine/asmacros.h>
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#include <machine/frame.h>
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#include <machine/intr_machdep.h>
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@ -82,6 +80,9 @@ struct pmap;
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* be L2 cache aligned - they're surrounded by per-cpu data, so there is
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* no possibility of false sharing, but this might help in reducing misses
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*/
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#ifdef _KERNEL
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struct pcpu;
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register struct pcpu *pcpup __asm__(__XSTRING(PCPU_REG));
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@ -33,10 +33,6 @@
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#ifndef _SYS_PCPU_H_
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#define _SYS_PCPU_H_
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#ifndef _KERNEL
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#error "no user-serviceable parts inside"
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#endif
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#ifdef LOCORE
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#error "no assembler-serviceable parts inside"
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#endif
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@ -106,6 +102,8 @@ struct pcpu {
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PCPU_MD_FIELDS;
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};
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#ifdef _KERNEL
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SLIST_HEAD(cpuhead, pcpu);
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extern struct cpuhead cpuhead;
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@ -133,4 +131,6 @@ void pcpu_destroy(struct pcpu *pcpu);
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struct pcpu *pcpu_find(u_int cpuid);
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void pcpu_init(struct pcpu *pcpu, int cpuid, size_t size);
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#endif /* _KERNEL */
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#endif /* !_SYS_PCPU_H_ */
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@ -143,6 +143,7 @@ typedef __clockid_t clockid_t;
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#define _CLOCKID_T_DECLARED
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#endif
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typedef __cpumask_t cpumask_t;
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typedef __critical_t critical_t; /* Critical section value */
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typedef __int64_t daddr_t; /* disk address */
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@ -278,7 +279,6 @@ typedef __vm_size_t vm_size_t;
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#ifdef _KERNEL
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typedef int boolean_t;
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typedef __cpumask_t cpumask_t;
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typedef struct device *device_t;
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typedef __intfptr_t intfptr_t;
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