diff options
Diffstat (limited to 'sys/arch/hppa')
| -rw-r--r-- | sys/arch/hppa/dev/clock.c | 8 | ||||
| -rw-r--r-- | sys/arch/hppa/hppa/locore.S | 25 | ||||
| -rw-r--r-- | sys/arch/hppa/hppa/machdep.c | 5 | ||||
| -rw-r--r-- | sys/arch/hppa/include/cpu.h | 10 |
4 files changed, 31 insertions, 17 deletions
diff --git a/sys/arch/hppa/dev/clock.c b/sys/arch/hppa/dev/clock.c index e9b6ec902ec..e11c945c1b1 100644 --- a/sys/arch/hppa/dev/clock.c +++ b/sys/arch/hppa/dev/clock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: clock.c,v 1.17 2002/11/27 21:47:14 mickey Exp $ */ +/* $OpenBSD: clock.c,v 1.18 2003/10/05 14:13:28 mickey Exp $ */ /* * Copyright (c) 1998,1999 Michael Shalayeff @@ -55,7 +55,11 @@ void cpu_initclocks() { - CPU_CLOCKUPDATE(); + register_t __itmr; + __asm __volatile("mfctl %%cr16, %0" : "=r" (__itmr)); + cpu_itmr = __itmr; + __itmr += cpu_hzticks; + __asm __volatile("mtctl %0, %%cr16" :: "r" (__itmr)); } /* diff --git a/sys/arch/hppa/hppa/locore.S b/sys/arch/hppa/hppa/locore.S index b8c309019a9..62c03b75f64 100644 --- a/sys/arch/hppa/hppa/locore.S +++ b/sys/arch/hppa/hppa/locore.S @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.S,v 1.114 2003/09/29 19:23:02 mickey Exp $ */ +/* $OpenBSD: locore.S,v 1.115 2003/10/05 14:13:28 mickey Exp $ */ /* * Copyright (c) 1998-2003 Michael Shalayeff @@ -144,6 +144,9 @@ netisr .word 0 .align 16 + BSS(cpu_hzticks, 4) /* itmr ticks in one hz */ + BSS(cpu_itmr, 4) /* itmr value at the most recent clk int */ + BSS(pdc_stack, 4) /* temp stack for PDC call */ BSS(emrg_stack, 4) /* stack for HPMC/TOC/PWRF */ BSS(fpemu_stack, 4) /* stack for FPU emulation */ @@ -958,6 +961,9 @@ LDILDO(tlbd_l) depi 0,31,PGSHIFT,r9 /* align offset to page */ /* CR28XXX according to a popular belief cr28 should be read here */ #define HPMCPRE nop +#define INTRPRE \ + mfctl eirr, r8 ! \ + mtctl r8, eirr .align NBPG .export $ivaaddr, entry @@ -968,7 +974,7 @@ hpmc_v CTRAP(hpmc,T_HPMC,HPMCPRE) /* 1. high priority machine check */ ATRAP(power,T_POWERFAIL) /* 2. power failure */ ATRAP(recnt,T_RECOVERY) /* 3. recovery counter trap */ - CTRAP(intr,T_INTERRUPT,) /* 4. external interrupt */ + CTRAP(intr,T_INTERRUPT,INTRPRE) /* 4. external interrupt */ ATRAP(lpmc,T_LPMC) /* 5. low-priority machine check */ STRAP(itlb,T_ITLBMISS,ITLBPRE) /* 6. instruction TLB miss fault */ ATRAP(iprot,T_IPROT) /* 7. instruction protection trap */ @@ -1906,10 +1912,21 @@ EXIT(hppa_pfr) .import imask, data .import intr_table, data ENTRY(TLABEL(intr),0) + /* r8 set to eirr in the INTRPRE */ + + bb,>=,n r8, 0, $intr_noclock + nop - mfctl eirr, r8 - mtctl r8, eirr /* ack now */ + /* reload the itmr */ + ldil L%cpu_hzticks, r25 /* those both are aligned properly */ + ldw R%cpu_hzticks(r25), r16 + ldw R%cpu_itmr(r25), r9 + sh1add r16, r9, r17 + add r16, r9, r16 + mtctl r17, cr16 + stw r16, R%cpu_itmr(r25) +$intr_noclock ldil L%ipending, r17 ldw R%ipending(r17), r24 ldil L%intr_table, r1 diff --git a/sys/arch/hppa/hppa/machdep.c b/sys/arch/hppa/hppa/machdep.c index 2f62215ba8b..7d8b5d331ca 100644 --- a/sys/arch/hppa/hppa/machdep.c +++ b/sys/arch/hppa/hppa/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.114 2003/09/25 22:20:44 mickey Exp $ */ +/* $OpenBSD: machdep.c,v 1.115 2003/10/05 14:13:28 mickey Exp $ */ /* * Copyright (c) 1999-2002 Michael Shalayeff @@ -134,7 +134,7 @@ struct pdc_btlb pdc_btlb PDC_ALIGNMENT; struct pdc_model pdc_model PDC_ALIGNMENT; /* w/ a little deviation should be the same for all installed cpus */ -u_int cpu_itmr, cpu_ticksnum, cpu_ticksdenom, cpu_hzticks; +u_int cpu_ticksnum, cpu_ticksdenom; /* exported info */ char machine[] = MACHINE_ARCH; @@ -279,6 +279,7 @@ void hppa_init(start) paddr_t start; { + extern u_int cpu_hzticks; extern int kernel_text; vaddr_t v, v1; int error; diff --git a/sys/arch/hppa/include/cpu.h b/sys/arch/hppa/include/cpu.h index 02727c8315c..94c75959e34 100644 --- a/sys/arch/hppa/include/cpu.h +++ b/sys/arch/hppa/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.37 2003/07/30 21:24:19 mickey Exp $ */ +/* $OpenBSD: cpu.h,v 1.38 2003/10/05 14:13:28 mickey Exp $ */ /* * Copyright (c) 2000-2002 Michael Shalayeff @@ -121,14 +121,6 @@ extern int cpu_hvers; #define HPPA_SPA_ENABLE 0x00000020 #define HPPA_NMODSPBUS 64 -#define CPU_CLOCKUPDATE() do { \ - register_t __itmr; \ - __asm __volatile("mfctl %%cr16, %0" : "=r" (__itmr)); \ - cpu_itmr = __itmr; \ - __itmr += cpu_hzticks; \ - __asm __volatile("mtctl %0, %%cr16" :: "r" (__itmr)); \ -} while (0) - #define clockframe trapframe #define CLKF_PC(framep) ((framep)->tf_iioq_head) #define CLKF_INTR(framep) ((framep)->tf_flags & TFF_INTR) |