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[src/trunk]: src/sys/arch/usermode Move target/${USERMODE_CPU} to target/${MA...



details:   https://anonhg.NetBSD.org/src/rev/d4a8bc19f80c
branches:  trunk
changeset: 772550:d4a8bc19f80c
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Sat Jan 07 20:44:41 2012 +0000

description:
Move target/${USERMODE_CPU} to target/${MACHINE_CPU} to more clearly
distinguish between CPU specific ones and machine specific ones.

diffstat:

 sys/arch/usermode/conf/GENERIC.amd64         |    5 +-
 sys/arch/usermode/conf/GENERIC.i386          |    5 +-
 sys/arch/usermode/conf/Makefile.usermode     |   13 +-
 sys/arch/usermode/target/amd64/cpu_amd64.c   |  351 ---------------------------
 sys/arch/usermode/target/x86_64/cpu_x86_64.c |  351 +++++++++++++++++++++++++++
 5 files changed, 359 insertions(+), 366 deletions(-)

diffs (truncated from 787 to 300 lines):

diff -r 0b5972c7557a -r d4a8bc19f80c sys/arch/usermode/conf/GENERIC.amd64
--- a/sys/arch/usermode/conf/GENERIC.amd64      Sat Jan 07 20:20:22 2012 +0000
+++ b/sys/arch/usermode/conf/GENERIC.amd64      Sat Jan 07 20:44:41 2012 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: GENERIC.amd64,v 1.1 2012/01/06 20:44:57 reinoud Exp $
+# $NetBSD: GENERIC.amd64,v 1.2 2012/01/07 20:44:41 reinoud Exp $
 
 machine usermode
 include "arch/usermode/conf/GENERIC.common"
@@ -10,10 +10,9 @@
 options                KVMSIZE= 0x10000000     # KVM space reserved in VM map, 256 Mb
 options                NKMEMPAGES_MAX=32768    # 128 Mb max
 
-makeoptions     USERMODE_CPU="amd64"
 makeoptions    COPTS+="-m64"
 makeoptions    LD="ld -melf_amd64"
 
 #options       INCLUDE_CONFIG_FILE
-#ident                 "GENERIC32-$Revision: 1.1 $"
+#ident                 "GENERIC32-$Revision: 1.2 $"
 
diff -r 0b5972c7557a -r d4a8bc19f80c sys/arch/usermode/conf/GENERIC.i386
--- a/sys/arch/usermode/conf/GENERIC.i386       Sat Jan 07 20:20:22 2012 +0000
+++ b/sys/arch/usermode/conf/GENERIC.i386       Sat Jan 07 20:44:41 2012 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: GENERIC.i386,v 1.3 2012/01/06 20:44:57 reinoud Exp $
+# $NetBSD: GENERIC.i386,v 1.4 2012/01/07 20:44:41 reinoud Exp $
 
 machine usermode
 include "arch/usermode/conf/GENERIC.common"
@@ -10,10 +10,9 @@
 options                KVMSIZE= 0x10000000     # KVM space reserved in VM map, 256 Mb
 options                NKMEMPAGES_MAX=32768    # 128 Mb max
 
-makeoptions    USERMODE_CPU="i386"
 makeoptions    COPTS+="-m32"
 makeoptions    LD="ld -melf_i386"
 
 #options       INCLUDE_CONFIG_FILE
-#ident                 "GENERIC32-$Revision: 1.3 $"
+#ident                 "GENERIC32-$Revision: 1.4 $"
 
diff -r 0b5972c7557a -r d4a8bc19f80c sys/arch/usermode/conf/Makefile.usermode
--- a/sys/arch/usermode/conf/Makefile.usermode  Sat Jan 07 20:20:22 2012 +0000
+++ b/sys/arch/usermode/conf/Makefile.usermode  Sat Jan 07 20:44:41 2012 +0000
@@ -1,11 +1,5 @@
-# $NetBSD: Makefile.usermode,v 1.30 2012/01/07 20:07:00 reinoud Exp $
+# $NetBSD: Makefile.usermode,v 1.31 2012/01/07 20:44:41 reinoud Exp $
 
-OPT_CPU_HOST=                  %CPU_HOST%
-.if !empty(OPT_CPU_HOST)
-MACHINE_ARCH=                  ${OPT_CPU_HOST}
-.else
-MACHINE_ARCH=                  usermode
-.endif
 USETOOLS?=                     no
 NEED_OWN_INSTALL_TARGET?=      no
 .include <bsd.own.mk>
@@ -15,6 +9,7 @@
 ##
 USERMODE=      $S/arch/usermode
 GENASSYM_CONF= ${USERMODE}/usermode/genassym.cf
+MACHINE_ARCH!=uname -p
 
 ##
 ## (2) compile settings
@@ -53,8 +48,8 @@
 MD_CFILES=     ${USERMODE}/usermode/thunk.c
 MD_SFILES=
 
-MD_OBJS+=      cpu_${USERMODE_CPU}.o
-MD_CFILES+=    ${USERMODE}/target/${USERMODE_CPU}/cpu_${USERMODE_CPU}.c
+MD_OBJS+=      cpu_${MACHINE_ARCH}.o
+MD_CFILES+=    ${USERMODE}/target/${MACHINE_ARCH}/cpu_${MACHINE_ARCH}.c
 
 ##
 ## (5) link settings
diff -r 0b5972c7557a -r d4a8bc19f80c sys/arch/usermode/target/amd64/cpu_amd64.c
--- a/sys/arch/usermode/target/amd64/cpu_amd64.c        Sat Jan 07 20:20:22 2012 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,351 +0,0 @@
-/* $NetBSD: cpu_amd64.c,v 1.1 2012/01/07 20:07:00 reinoud Exp $ */
-
-/*-
- * Copyright (c) 2011 Reinoud Zandijk <reinoud%netbsd.org@localhost>
- * Copyright (c) 2007 Jared D. McNeill <jmcneill%invisible.ca@localhost>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * Note that this machdep.c uses the `dummy' mcontext_t defined for usermode.
- * This is basicly a blob of PAGE_SIZE big. We might want to switch over to
- * non-generic mcontext_t's one day, but will this break non-NetBSD hosts?
- */
-
-
-#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu_amd64.c,v 1.1 2012/01/07 20:07:00 reinoud Exp $");
-
-#include <sys/types.h>
-#include <sys/systm.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/exec.h>
-#include <sys/buf.h>
-#include <sys/boot_flag.h>
-#include <sys/ucontext.h>
-#include <sys/utsname.h>
-#include <machine/pcb.h>
-#include <machine/psl.h>
-
-#include <uvm/uvm_extern.h>
-#include <uvm/uvm_page.h>
-
-#include <dev/mm.h>
-#include <machine/machdep.h>
-#include <machine/thunk.h>
-
-
-#if 0
-static void dump_regs(register_t *reg);;
-
-static void
-dump_regs(register_t *reg)
-{
-       int i;
-
-       /* register dump before call */
-       const char *name[] = {"RDI", "RSI", "RDX", "RCX", "R8", "R9", "R10",
-               "R11", "R12", "R13", "R14", "R15", "RBP", "RAX",
-               "GS", "FS", "ES", "DS", "TRAPNO", "ERR", "RIP", "CS",
-               "RFLAGS", "RSP", "SS"};
-
-       for (i =0; i < 26; i++)
-               printf("reg[%02d] (%6s) = %"PRIx32"\n",
-                       i, name[i], (uint32_t) reg[i]);
-}
-#endif
-
-
-/* from sys/arch/amd64/include/frame.h : KEEP IN SYNC */
-
-/*
- * Signal frame
- */
-struct sigframe_siginfo {
-       uint64_t        sf_ra;          /* return address for handler */
-       siginfo_t       sf_si;          /* actual saved siginfo */
-       ucontext_t      sf_uc;          /* actual saved ucontext */
-};
-
-
-/* should be the same as i386 */
-/*
- * mcontext extensions to handle signal delivery.
- */
-#define _UC_SETSTACK   0x00010000
-#define _UC_CLRSTACK   0x00020000
-#define _UC_VM         0x00040000
-#define        _UC_TLSBASE     0x00080000
-
-
-void
-sendsig_siginfo(const ksiginfo_t *ksi, const sigset_t *mask)
-{
-       struct lwp *l = curlwp;
-       struct proc *p = l->l_proc;
-       struct pcb *pcb = lwp_getpcb(l);
-       struct sigacts *ps = p->p_sigacts;
-       struct sigframe_siginfo *fp, frame;
-       int sig = ksi->ksi_signo;
-       sig_t catcher = SIGACTION(p, sig).sa_handler;
-       ucontext_t *ucp = &pcb->pcb_userret_ucp;
-       register_t *reg = (register_t *) &ucp->uc_mcontext;
-       int onstack, error;
-       char *sp;
-
-       KASSERT(mutex_owned(p->p_lock));
-
-#if 0
-       thunk_printf("%s: ", __func__);
-       thunk_printf("flags %d, ", (int) ksi->ksi_flags);
-       thunk_printf("to lwp %d, signo %d, code %d, errno %d\n",
-               (int) ksi->ksi_lid,
-               ksi->ksi_signo,
-               ksi->ksi_code,
-               ksi->ksi_errno);
-#endif
-
-       /* do we need to jump onto the signal stack? */
-       onstack = (l->l_sigstk.ss_flags & (SS_DISABLE | SS_ONSTACK)) == 0
-           && (SIGACTION(p, sig).sa_flags & SA_ONSTACK) != 0;
-
-       sp = ((char *) reg[24] - 128);/* why -128?*//* RSP */
-       if (onstack)
-               sp = (char *) l->l_sigstk.ss_sp + l->l_sigstk.ss_size;
-
-       sp -= sizeof(struct sigframe_siginfo);
-       /*
-        * Round down the stackpointer to a multiple of 16 for
-        * fxsave and the ABI
-        */
-       fp = (struct sigframe_siginfo *) (((unsigned long)sp & ~15) - 8);
-
-       /* set up stack frame */
-       frame.sf_ra = (uint64_t) ps->sa_sigdesc[sig].sd_tramp;
-       frame.sf_si._info = ksi->ksi_info;
-
-       /* copy our userret context into sf_uc */
-       memcpy(&frame.sf_uc, ucp, sizeof(ucontext_t));
-       frame.sf_uc.uc_sigmask = *mask;
-       frame.sf_uc.uc_link = l->l_ctxlink;
-       frame.sf_uc.uc_flags |= (l->l_sigstk.ss_flags & SS_ONSTACK)
-           ? _UC_SETSTACK : _UC_CLRSTACK;
-       memset(&frame.sf_uc.uc_stack, 0, sizeof(frame.sf_uc.uc_stack));
-       sendsig_reset(l, sig);
-
-       /* copyout our frame to the stackframe */
-       mutex_exit(p->p_lock);
-       error = copyout(&frame, fp, sizeof(frame));
-       mutex_enter(p->p_lock);
-
-       if (error != 0) {
-               /*
-                * Process has trashed its stack; give it an illegal
-                * instruction to halt it in its tracks.
-                */
-               sigexit(l, SIGILL);
-               /* NOTREACHED */
-       }
-
-       /* set catcher and the new stack pointer */
-       reg[24] = (register_t) fp;              /* RSP */
-       reg[21] = (register_t) catcher;         /* RIP */
-
-       reg[ 0] = sig;                          /* RDI */
-       reg[ 1] = (uint64_t) &fp->sf_si;        /* RSI */
-       reg[ 2] = (uint64_t) &fp->sf_uc;        /* RDX */
-       reg[11] = reg[ 2];                      /* R15 = RDX */
-
-       /* Remember that we're now on the signal stack. */
-       if (onstack)
-               l->l_sigstk.ss_flags |= SS_ONSTACK;
-}
-
-void
-setregs(struct lwp *l, struct exec_package *pack, vaddr_t stack)
-{
-       struct pcb *pcb = lwp_getpcb(l);
-       ucontext_t *ucp = &pcb->pcb_userret_ucp;
-       register_t *reg;
-       int i;
-
-       reg = (register_t *) &ucp->uc_mcontext;
-       for (i = 0; i < 15; i++)
-               reg[i] = 0;
-
-       reg[13] = l->l_proc->p_psstrp;          /* RBX */
-       reg[21] = pack->ep_entry;               /* RIP */
-       reg[24] = (register_t) stack;           /* RSP */
-
-       ucp->uc_stack.ss_sp   = (void *) stack;
-       ucp->uc_stack.ss_size = pack->ep_ssize;
-
-       //dump_regs(reg);
-}
-
-void
-md_syscall_get_syscallnumber(ucontext_t *ucp, uint32_t *code)
-{
-       register_t *reg = (register_t *) &ucp->uc_mcontext;
-       *code = reg[14];                        /* RAX */
-}
-
-int
-md_syscall_getargs(lwp_t *l, ucontext_t *ucp, int nargs, int argsize,
-       register_t *args)
-{
-       register_t *reg = (register_t *) &ucp->uc_mcontext;



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