Differential D26556 Diff 77530 head/sys/mips/mips/freebsd32_machdep.c

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head/sys/mips/mips/freebsd32_machdep.c

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	#include <sys/sysproto.h>			#include <sys/sysproto.h>
	#include <sys/signalvar.h>			#include <sys/signalvar.h>
	#include <sys/vnode.h>			#include <sys/vnode.h>
	#include <sys/linker.h>			#include <sys/linker.h>

	#include <vm/vm.h>			#include <vm/vm.h>
	#include <vm/vm_param.h>			#include <vm/vm_param.h>

				#include <machine/cpuinfo.h>
	#include <machine/md_var.h>			#include <machine/md_var.h>
	#include <machine/reg.h>			#include <machine/reg.h>
	#include <machine/sigframe.h>			#include <machine/sigframe.h>
	#include <machine/sysarch.h>			#include <machine/sysarch.h>
	#include <machine/tls.h>			#include <machine/tls.h>

	#include <compat/freebsd32/freebsd32_signal.h>			#include <compat/freebsd32/freebsd32_signal.h>
	#include <compat/freebsd32/freebsd32_util.h>			#include <compat/freebsd32/freebsd32_util.h>
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	freebsd32_sysarch(struct thread td, struct freebsd32_sysarch_args uap)			freebsd32_sysarch(struct thread td, struct freebsd32_sysarch_args uap)
	{			{
	int error;			int error;
	int32_t tlsbase;			int32_t tlsbase;

	switch (uap->op) {			switch (uap->op) {
	case MIPS_SET_TLS:			case MIPS_SET_TLS:
	td->td_md.md_tls = (void *)(intptr_t)uap->parms;			td->td_md.md_tls = (void *)(intptr_t)uap->parms;

				/*
				* If there is an user local register implementation (ULRI)
				* update it as well. Add the TLS and TCB offsets so the
				* value in this register is adjusted like in the case of the
				* rdhwr trap() instruction handler.
				*/
				if (cpuinfo.userlocal_reg == true) {
				mips_wr_userlocal((unsigned long)(uap->parms +
				td->td_md.md_tls_tcb_offset));
				}
	return (0);			return (0);
	case MIPS_GET_TLS:			case MIPS_GET_TLS:
	tlsbase = (int32_t)(intptr_t)td->td_md.md_tls;			tlsbase = (int32_t)(intptr_t)td->td_md.md_tls;
	error = copyout(&tlsbase, uap->parms, sizeof(tlsbase));			error = copyout(&tlsbase, uap->parms, sizeof(tlsbase));
	return (error);			return (error);
	default:			default:
	break;			break;
	}			}
	return (EINVAL);			return (EINVAL);
	}			}

	void			void
	elf32_dump_thread(struct thread td __unused, void dst __unused,			elf32_dump_thread(struct thread td __unused, void dst __unused,
	size_t *off __unused)			size_t *off __unused)
	{			{
	}			}