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[src/trunk]: src/sys/arch/alpha Don't use a bunch of switch() statements in t...



details:   https://anonhg.NetBSD.org/src/rev/b8bcf293bed5
branches:  trunk
changeset: 984044:b8bcf293bed5
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat Jun 19 16:59:07 2021 +0000

description:
Don't use a bunch of switch() statements in the core logic drivers to select
the PCI interrupt initialization routine.  Instead, register said routines
by systype in a link set, and look them up and invoke them in a new function
alpha_pci_intr_init().

diffstat:

 sys/arch/alpha/include/pci_machdep.h |  17 +++++++++-
 sys/arch/alpha/pci/apecs.c           |  52 +----------------------------
 sys/arch/alpha/pci/cia.c             |  61 +----------------------------------
 sys/arch/alpha/pci/dwlpx.c           |   8 ++--
 sys/arch/alpha/pci/irongate.c        |  21 +----------
 sys/arch/alpha/pci/lca.c             |  38 +--------------------
 sys/arch/alpha/pci/mcpcia.c          |   7 +--
 sys/arch/alpha/pci/pci_1000.c        |  13 ++++---
 sys/arch/alpha/pci/pci_1000.h        |  33 -------------------
 sys/arch/alpha/pci/pci_1000a.c       |  13 ++++---
 sys/arch/alpha/pci/pci_1000a.h       |  33 -------------------
 sys/arch/alpha/pci/pci_2100_a50.c    |  16 ++++----
 sys/arch/alpha/pci/pci_2100_a50.h    |  30 -----------------
 sys/arch/alpha/pci/pci_2100_a500.c   |  18 ++++++----
 sys/arch/alpha/pci/pci_2100_a500.h   |   3 +-
 sys/arch/alpha/pci/pci_550.c         |  18 ++++-----
 sys/arch/alpha/pci/pci_550.h         |  30 -----------------
 sys/arch/alpha/pci/pci_6600.c        |  18 +++++-----
 sys/arch/alpha/pci/pci_6600.h        |   5 --
 sys/arch/alpha/pci/pci_alphabook1.c  |  16 ++++----
 sys/arch/alpha/pci/pci_alphabook1.h  |  30 -----------------
 sys/arch/alpha/pci/pci_axppci_33.c   |  16 ++++----
 sys/arch/alpha/pci/pci_axppci_33.h   |  30 -----------------
 sys/arch/alpha/pci/pci_eb164.c       |  17 ++++-----
 sys/arch/alpha/pci/pci_eb164.h       |  30 -----------------
 sys/arch/alpha/pci/pci_eb64plus.c    |  17 ++++-----
 sys/arch/alpha/pci/pci_eb64plus.h    |  30 -----------------
 sys/arch/alpha/pci/pci_eb66.c        |  17 ++++-----
 sys/arch/alpha/pci/pci_eb66.h        |  30 -----------------
 sys/arch/alpha/pci/pci_kn20aa.c      |  19 ++++------
 sys/arch/alpha/pci/pci_kn20aa.h      |  30 -----------------
 sys/arch/alpha/pci/pci_kn300.c       |  16 +++++----
 sys/arch/alpha/pci/pci_kn300.h       |  33 -------------------
 sys/arch/alpha/pci/pci_kn8ae.c       |  15 ++++----
 sys/arch/alpha/pci/pci_kn8ae.h       |  33 -------------------
 sys/arch/alpha/pci/pci_machdep.c     |  20 ++++++++++-
 sys/arch/alpha/pci/pci_up1000.c      |  17 ++++-----
 sys/arch/alpha/pci/pci_up1000.h      |  32 ------------------
 sys/arch/alpha/pci/tsc.c             |  12 +-----
 sys/arch/alpha/pci/ttwoga.c          |  19 ++--------
 40 files changed, 185 insertions(+), 728 deletions(-)

diffs (truncated from 1932 to 300 lines):

diff -r d2a337a380d6 -r b8bcf293bed5 sys/arch/alpha/include/pci_machdep.h
--- a/sys/arch/alpha/include/pci_machdep.h      Sat Jun 19 16:43:11 2021 +0000
+++ b/sys/arch/alpha/include/pci_machdep.h      Sat Jun 19 16:59:07 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pci_machdep.h,v 1.22 2021/05/27 22:11:31 thorpej Exp $ */
+/* $NetBSD: pci_machdep.h,v 1.23 2021/06/19 16:59:07 thorpej Exp $ */
 
 /*
  * Copyright (c) 1996 Carnegie-Mellon University.
@@ -96,6 +96,18 @@
                            struct cpu_info *);
 };
 
+struct alpha_pci_intr_impl {
+       uint64_t        systype;
+       void            (*intr_init)(void *, bus_space_tag_t, bus_space_tag_t,
+                           pci_chipset_tag_t);
+};
+
+#define        ALPHA_PCI_INTR_INIT(_st_, _fn_)                                 \
+static const struct alpha_pci_intr_impl __CONCAT(intr_impl_st_,_st_) = {\
+       .systype = (_st_), .intr_init = (_fn_),                         \
+};                                                                     \
+__link_set_add_rodata(alpha_pci_intr_impls, __CONCAT(intr_impl_st_,_st_));
+
 /*
  * Functions provided to machine-independent PCI code.
  */
@@ -122,6 +134,9 @@
            pci_chipset_tag_t, int, int, int);
 void   device_pci_register(device_t, void *);
 
+void   alpha_pci_intr_init(void *, bus_space_tag_t, bus_space_tag_t,
+           pci_chipset_tag_t);
+
 int    alpha_pci_generic_intr_map(const struct pci_attach_args *,
            pci_intr_handle_t *);
 const char *alpha_pci_generic_intr_string(pci_chipset_tag_t,
diff -r d2a337a380d6 -r b8bcf293bed5 sys/arch/alpha/pci/apecs.c
--- a/sys/arch/alpha/pci/apecs.c        Sat Jun 19 16:43:11 2021 +0000
+++ b/sys/arch/alpha/pci/apecs.c        Sat Jun 19 16:59:07 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: apecs.c,v 1.56 2021/06/18 22:17:53 thorpej Exp $ */
+/* $NetBSD: apecs.c,v 1.57 2021/06/19 16:59:07 thorpej Exp $ */
 
 /*-
  * Copyright (c) 2000 The NetBSD Foundation, Inc.
@@ -56,14 +56,9 @@
  * rights to redistribute these changes.
  */
 
-#include "opt_dec_2100_a50.h"
-#include "opt_dec_eb64plus.h"
-#include "opt_dec_1000a.h"
-#include "opt_dec_1000.h"
-
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: apecs.c,v 1.56 2021/06/18 22:17:53 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: apecs.c,v 1.57 2021/06/19 16:59:07 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -82,18 +77,6 @@
 #include <dev/pci/pcivar.h>
 #include <alpha/pci/apecsreg.h>
 #include <alpha/pci/apecsvar.h>
-#ifdef DEC_2100_A50
-#include <alpha/pci/pci_2100_a50.h>
-#endif
-#ifdef DEC_EB64PLUS
-#include <alpha/pci/pci_eb64plus.h>
-#endif
-#ifdef DEC_1000A
-#include <alpha/pci/pci_1000a.h>
-#endif
-#ifdef DEC_1000
-#include <alpha/pci/pci_1000.h>
-#endif
 
 static int apecsmatch(device_t, cfdata_t, void *);
 static void apecsattach(device_t, device_t, void *);
@@ -189,36 +172,7 @@
        if (!acp->ac_epic_pass2)
                printf("WARNING: 21071-DA NOT PASS2... NO BETS...\n");
 
-       switch (cputype) {
-#ifdef DEC_2100_A50
-       case ST_DEC_2100_A50:
-               pci_2100_a50_pickintr(acp);
-               break;
-#endif
-
-#ifdef DEC_EB64PLUS
-       case ST_EB64P:
-               pci_eb64plus_pickintr(acp);
-               break;
-#endif
-
-#ifdef DEC_1000A
-       case ST_DEC_1000A:
-               pci_1000a_pickintr(acp, &acp->ac_iot, &acp->ac_memt,
-                       &acp->ac_pc);
-               break;
-#endif
-
-#ifdef DEC_1000
-       case ST_DEC_1000:
-               pci_1000_pickintr(acp, &acp->ac_iot, &acp->ac_memt,
-                       &acp->ac_pc);
-               break;
-#endif
-
-       default:
-               panic("apecsattach: shouldn't be here, really...");
-       }
+       alpha_pci_intr_init(acp, &acp->ac_iot, &acp->ac_memt, &acp->ac_pc);
 
        pba.pba_iot = &acp->ac_iot;
        pba.pba_memt = &acp->ac_memt;
diff -r d2a337a380d6 -r b8bcf293bed5 sys/arch/alpha/pci/cia.c
--- a/sys/arch/alpha/pci/cia.c  Sat Jun 19 16:43:11 2021 +0000
+++ b/sys/arch/alpha/pci/cia.c  Sat Jun 19 16:59:07 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cia.c,v 1.76 2021/06/18 22:17:53 thorpej Exp $ */
+/* $NetBSD: cia.c,v 1.77 2021/06/19 16:59:07 thorpej Exp $ */
 
 /*-
  * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@@ -57,15 +57,11 @@
  * rights to redistribute these changes.
  */
 
-#include "opt_dec_eb164.h"
-#include "opt_dec_kn20aa.h"
 #include "opt_dec_550.h"
-#include "opt_dec_1000a.h"
-#include "opt_dec_1000.h"
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: cia.c,v 1.76 2021/06/18 22:17:53 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cia.c,v 1.77 2021/06/19 16:59:07 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -86,22 +82,6 @@
 #include <alpha/pci/ciareg.h>
 #include <alpha/pci/ciavar.h>
 
-#ifdef DEC_KN20AA
-#include <alpha/pci/pci_kn20aa.h>
-#endif
-#ifdef DEC_EB164
-#include <alpha/pci/pci_eb164.h>
-#endif
-#ifdef DEC_550
-#include <alpha/pci/pci_550.h>
-#endif
-#ifdef DEC_1000A
-#include <alpha/pci/pci_1000a.h>
-#endif
-#ifdef DEC_1000
-#include <alpha/pci/pci_1000.h>
-#endif
-
 static int     ciamatch(device_t, cfdata_t, void *);
 static void    ciaattach(device_t, device_t, void *);
 
@@ -353,42 +333,7 @@
 
        cia_dma_init(ccp);
 
-       switch (cputype) {
-#ifdef DEC_KN20AA
-       case ST_DEC_KN20AA:
-               pci_kn20aa_pickintr(ccp);
-               break;
-#endif
-
-#ifdef DEC_EB164
-       case ST_EB164:
-               pci_eb164_pickintr(ccp);
-               break;
-#endif
-
-#ifdef DEC_550
-       case ST_DEC_550:
-               pci_550_pickintr(ccp);
-               break;
-#endif
-
-#ifdef DEC_1000A
-       case ST_DEC_1000A:
-               pci_1000a_pickintr(ccp, &ccp->cc_iot, &ccp->cc_memt,
-                       &ccp->cc_pc);
-               break;
-#endif
-
-#ifdef DEC_1000
-       case ST_DEC_1000:
-               pci_1000_pickintr(ccp, &ccp->cc_iot, &ccp->cc_memt,
-                       &ccp->cc_pc);
-               break;
-#endif
-
-       default:
-               panic("ciaattach: shouldn't be here, really...");
-       }
+       alpha_pci_intr_init(ccp, &ccp->cc_iot, &ccp->cc_memt, &ccp->cc_pc);
 
        pba.pba_iot = &ccp->cc_iot;
        pba.pba_memt = &ccp->cc_memt;
diff -r d2a337a380d6 -r b8bcf293bed5 sys/arch/alpha/pci/dwlpx.c
--- a/sys/arch/alpha/pci/dwlpx.c        Sat Jun 19 16:43:11 2021 +0000
+++ b/sys/arch/alpha/pci/dwlpx.c        Sat Jun 19 16:59:07 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dwlpx.c,v 1.41 2021/06/19 16:29:03 thorpej Exp $ */
+/* $NetBSD: dwlpx.c,v 1.42 2021/06/19 16:59:07 thorpej Exp $ */
 
 /*
  * Copyright (c) 1997 by Matthew Jacob
@@ -32,7 +32,7 @@
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: dwlpx.c,v 1.41 2021/06/19 16:29:03 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dwlpx.c,v 1.42 2021/06/19 16:59:07 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -50,7 +50,6 @@
 #include <alpha/tlsb/kftxxreg.h>
 #include <alpha/pci/dwlpxreg.h>
 #include <alpha/pci/dwlpxvar.h>
-#include <alpha/pci/pci_kn8ae.h>
 
 #define        KV(_addr)       ((void *)ALPHA_PHYS_TO_K0SEG((_addr)))
 #define        DWLPX_SYSBASE(sc)       \
@@ -160,7 +159,8 @@
        /*
         * Set up interrupts
         */
-       pci_kn8ae_pickintr(&sc->dwlpx_cc);
+       alpha_pci_intr_init(&sc->dwlpx_cc, &sc->dwlpx_cc.cc_iot,
+           &sc->dwlpx_cc.cc_memt, &sc->dwlpx_cc.cc_pc);
 
        /*
         * Attach PCI bus
diff -r d2a337a380d6 -r b8bcf293bed5 sys/arch/alpha/pci/irongate.c
--- a/sys/arch/alpha/pci/irongate.c     Sat Jun 19 16:43:11 2021 +0000
+++ b/sys/arch/alpha/pci/irongate.c     Sat Jun 19 16:59:07 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: irongate.c,v 1.18 2021/06/18 22:17:53 thorpej Exp $ */
+/* $NetBSD: irongate.c,v 1.19 2021/06/19 16:59:07 thorpej Exp $ */
 
 /*-
  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
@@ -29,11 +29,9 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "opt_api_up1000.h"
-
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(0, "$NetBSD: irongate.c,v 1.18 2021/06/18 22:17:53 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: irongate.c,v 1.19 2021/06/19 16:59:07 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -53,10 +51,6 @@
 #include <alpha/pci/irongatereg.h>
 #include <alpha/pci/irongatevar.h>
 
-#ifdef API_UP1000
-#include <alpha/pci/pci_up1000.h>
-#endif
-
 static int     irongate_match(device_t, cfdata_t, void *);
 static void    irongate_attach(device_t, device_t, void *);
 
@@ -157,16 +151,7 @@
         */
        irongate_bus_mem_init2(&icp->ic_memt, icp);
 
-       switch (cputype) {
-#ifdef API_UP1000
-       case ST_API_NAUTILUS:
-               pci_up1000_pickintr(icp);
-               break;
-#endif
-
-       default:
-               panic("irongate_attach: shouldn't be here, really...");
-       }
+       alpha_pci_intr_init(icp, &icp->ic_iot, &icp->ic_memt, &icp->ic_pc);
 
        tag = pci_make_tag(&icp->ic_pc, 0, IRONGATE_PCIHOST_DEV, 0);
 



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