Differential D16644 Diff 46464 sys/mips/malta/malta_mp.c

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sys/mips/malta/malta_mp.c

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#include <sys/smp.h>		#include <sys/smp.h>
#include <sys/systm.h>		#include <sys/systm.h>

#include <machine/cpufunc.h>		#include <machine/cpufunc.h>
#include <machine/hwfunc.h>		#include <machine/hwfunc.h>
#include <machine/md_var.h>		#include <machine/md_var.h>
#include <machine/smp.h>		#include <machine/smp.h>

#define MALTA_MAXCPU 2
#define VPECONF0_VPA (1 << 0)		#define VPECONF0_VPA (1 << 0)
#define MVPCONTROL_VPC (1 << 1)		#define MVPCONTROL_VPC (1 << 1)
		#define MVPCONF0_PVPE_SHIFT 10
		#define MVPCONF0_PVPE (0xf << MVPCONF0_PVPE_SHIFT)
		brUnsubmitted Done Inline Actions #define MVPCONF0_PVPE_MASK br: #define MVPCONF0_PVPE_MASK
#define TCSTATUS_A (1 << 13)		#define TCSTATUS_A (1 << 13)

unsigned malta_ap_boot = ~0;		unsigned malta_ap_boot = ~0;

#define C_SW0 (1 << 8)		#define C_SW0 (1 << 8)
#define C_SW1 (1 << 9)		#define C_SW1 (1 << 9)
#define C_IRQ0 (1 << 10)		#define C_IRQ0 (1 << 10)
#define C_IRQ1 (1 << 11)		#define C_IRQ1 (1 << 11)
▲ Show 20 Lines • Show All 141 Lines • ▼ Show 20 Lines	platform_init_ap(int cpuid)
set_intr_mask(ipi_intr_mask \| clock_int_mask);		set_intr_mask(ipi_intr_mask \| clock_int_mask);

mips_wbflush();		mips_wbflush();
}		}

void		void
platform_cpu_mask(cpuset_t *mask)		platform_cpu_mask(cpuset_t *mask)
{		{
uint32_t i, m;		uint32_t i, m, ncpus, reg;

		reg = mftc0(0, 2);
		ncpus = ((reg & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;

CPU_ZERO(mask);		CPU_ZERO(mask);
for (i = 0, m = 1 ; i < MALTA_MAXCPU; i++, m <<= 1)		for (i = 0, m = 1 ; i < ncpus; i++, m <<= 1)
		brUnsubmitted Done Inline Actions what m is doing here? br: what m is doing here?
		jrtc27AuthorUnsubmitted Done Inline Actions Nothing it would seem; it's been there and unused since the file was created in r305664. I'll remove it. jrtc27: Nothing it would seem; it's been there and unused since the file was created in r305664. I'll…
CPU_SET(i, mask);		CPU_SET(i, mask);
}		}

struct cpu_group *		struct cpu_group *
platform_smp_topo(void)		platform_smp_topo(void)
{		{

return (smp_topo_none());		return (smp_topo_none());
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