diff options
-rw-r--r-- | sys/boot/sparc64/loader/main.c | 8 | ||||
-rw-r--r-- | sys/conf/files.sparc64 | 1 | ||||
-rw-r--r-- | sys/sparc64/include/asi.h | 7 | ||||
-rw-r--r-- | sys/sparc64/include/cache.h | 4 | ||||
-rw-r--r-- | sys/sparc64/include/mcntl.h | 62 | ||||
-rw-r--r-- | sys/sparc64/sparc64/cache.c | 20 | ||||
-rw-r--r-- | sys/sparc64/sparc64/cheetah.c | 15 | ||||
-rw-r--r-- | sys/sparc64/sparc64/identcpu.c | 24 | ||||
-rw-r--r-- | sys/sparc64/sparc64/machdep.c | 6 | ||||
-rw-r--r-- | sys/sparc64/sparc64/mp_locore.S | 22 | ||||
-rw-r--r-- | sys/sparc64/sparc64/mp_machdep.c | 9 | ||||
-rw-r--r-- | sys/sparc64/sparc64/pmap.c | 9 | ||||
-rw-r--r-- | sys/sparc64/sparc64/tick.c | 9 | ||||
-rw-r--r-- | sys/sparc64/sparc64/zeus.c | 65 |
14 files changed, 232 insertions, 29 deletions
diff --git a/sys/boot/sparc64/loader/main.c b/sys/boot/sparc64/loader/main.c index 2afbfee..b3e7908 100644 --- a/sys/boot/sparc64/loader/main.c +++ b/sys/boot/sparc64/loader/main.c @@ -451,7 +451,8 @@ dtlb_va_to_pa_sun4u(vm_offset_t va) reg = dtlb_get_data_sun4u(i); wrpr(pstate, pstate, 0); reg >>= TD_PA_SHIFT; - if (cpu_impl >= CPU_IMPL_ULTRASPARCIII) + if (cpu_impl == CPU_IMPL_SPARC64V || + cpu_impl >= CPU_IMPL_ULTRASPARCIII) return (reg & TD_PA_CH_MASK); return (reg & TD_PA_SF_MASK); } @@ -474,7 +475,8 @@ itlb_va_to_pa_sun4u(vm_offset_t va) reg = itlb_get_data_sun4u(i); wrpr(pstate, pstate, 0); reg >>= TD_PA_SHIFT; - if (cpu_impl >= CPU_IMPL_ULTRASPARCIII) + if (cpu_impl == CPU_IMPL_SPARC64V || + cpu_impl >= CPU_IMPL_ULTRASPARCIII) return (reg & TD_PA_CH_MASK); return (reg & TD_PA_SF_MASK); } @@ -696,6 +698,7 @@ cpu_cpuid_prop_sun4u(void) switch (cpu_impl) { case CPU_IMPL_SPARC64: + case CPU_IMPL_SPARC64V: case CPU_IMPL_ULTRASPARCI: case CPU_IMPL_ULTRASPARCII: case CPU_IMPL_ULTRASPARCIIi: @@ -720,6 +723,7 @@ cpu_get_mid_sun4u(void) switch (cpu_impl) { case CPU_IMPL_SPARC64: + case CPU_IMPL_SPARC64V: case CPU_IMPL_ULTRASPARCI: case CPU_IMPL_ULTRASPARCII: case CPU_IMPL_ULTRASPARCIIi: diff --git a/sys/conf/files.sparc64 b/sys/conf/files.sparc64 index 63ee2c5..3a0620a 100644 --- a/sys/conf/files.sparc64 +++ b/sys/conf/files.sparc64 @@ -138,3 +138,4 @@ sparc64/sparc64/tsb.c standard sparc64/sparc64/uio_machdep.c standard sparc64/sparc64/upa.c optional creator sparc64/sparc64/vm_machdep.c standard +sparc64/sparc64/zeus.c standard diff --git a/sys/sparc64/include/asi.h b/sys/sparc64/include/asi.h index 90dc3f3..e5769c1 100644 --- a/sys/sparc64/include/asi.h +++ b/sys/sparc64/include/asi.h @@ -82,7 +82,10 @@ #define ASI_DCACHE_SNOOP_TAG 0x44 /* US-III Cu */ /* Named ASI_DCUCR on US-III, but is mostly identical except for added bits. */ -#define ASI_LSU_CTL_REG 0x45 +#define ASI_LSU_CTL_REG 0x45 /* US only */ + +#define ASI_MCNTL 0x45 /* SPARC64 only */ +#define AA_MCNTL 0x08 #define ASI_DCACHE_DATA 0x46 #define ASI_DCACHE_TAG 0x47 @@ -167,6 +170,8 @@ #define ASI_ICACHE_PRE_DECODE 0x6e /* US-I, II */ #define ASI_ICACHE_PRE_NEXT_FIELD 0x6f /* US-I, II */ +#define ASI_FLUSH_L1I 0x67 /* SPARC64 only */ + #define ASI_BLK_AUIP 0x70 #define ASI_BLK_AIUS 0x71 diff --git a/sys/sparc64/include/cache.h b/sys/sparc64/include/cache.h index 9c4804b..29bff69 100644 --- a/sys/sparc64/include/cache.h +++ b/sys/sparc64/include/cache.h @@ -113,6 +113,10 @@ extern cache_flush_t *cache_flush; extern dcache_page_inval_t *dcache_page_inval; extern icache_page_inval_t *icache_page_inval; +cache_flush_t zeus_cache_flush; +dcache_page_inval_t zeus_dcache_page_inval; +icache_page_inval_t zeus_icache_page_inval; + #endif /* KERNEL */ #endif /* !LOCORE */ diff --git a/sys/sparc64/include/mcntl.h b/sys/sparc64/include/mcntl.h new file mode 100644 index 0000000..e9483c0 --- /dev/null +++ b/sys/sparc64/include/mcntl.h @@ -0,0 +1,62 @@ +/*- + * Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org> + * 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_MCNTL_H +#define _MACHINE_MCNTL_H + +/* + * Definitions for the SPARC64 V, VI, VII and VIIIfx Memory Control Register + */ +#define MCNTL_JPS1_TSBP (1UL << 8) + +#define MCNTL_RMD_SHIFT 12 +#define MCNTL_RMD_BITS 2 +#define MCNTL_RMD_MASK \ + (((1UL << MCNTL_RMD_BITS) - 1) << MCNTL_RMD_SHIFT) +#define MCNTL_RMD_FULL (0UL << MCNTL_RMD_SHIFT) +#define MCNTL_RMD_1024 (2UL << MCNTL_RMD_SHIFT) +#define MCNTL_RMD_512 (3UL << MCNTL_RMD_SHIFT) + +#define MCNTL_FW_FDTLB (1UL << 14) +#define MCNTL_FW_FITLB (1UL << 15) +#define MCNTL_NC_CACHE (1UL << 16) + +/* The following bits are valid for the SPARC64 VI, VII and VIIIfx only. */ +#define MCNTL_MPG_SDTLB (1UL << 6) +#define MCNTL_MPG_SITLB (1UL << 7) + +/* The following bits are valid for the SPARC64 VIIIfx only. */ +#define MCNTL_HPF_SHIFT 18 +#define MCNTL_HPF_BITS 2 +#define MCNTL_HPF_MASK \ + (((1UL << MCNTL_HPF_BITS) - 1) << MCNTL_HPF_SHIFT) +#define MCNTL_HPF_STRONG (0UL << MCNTL_HPF_SHIFT) +#define MCNTL_HPF_NOT (1UL << MCNTL_HPF_SHIFT) +#define MCNTL_HPF_WEAK (2UL << MCNTL_HPF_SHIFT) + +#endif /* _MACHINE_MCNTL_H */ diff --git a/sys/sparc64/sparc64/cache.c b/sys/sparc64/sparc64/cache.c index 8cb8dee..a3c6119 100644 --- a/sys/sparc64/sparc64/cache.c +++ b/sys/sparc64/sparc64/cache.c @@ -141,7 +141,12 @@ cache_init(struct pcpu *pcpu) if ((pcpu->pc_cache.dc_size & ~(1UL << (ffs(pcpu->pc_cache.dc_size) - 1))) != 0) panic("cache_init: D$ size not a power of 2"); - if (((pcpu->pc_cache.dc_size / pcpu->pc_cache.dc_assoc) / + /* + * For CPUs which don't support unaliasing in hardware ensure that + * the data cache doesn't have too many virtual colors. + */ + if (pcpu->pc_impl != CPU_IMPL_SPARC64V && + ((pcpu->pc_cache.dc_size / pcpu->pc_cache.dc_assoc) / PAGE_SIZE) != DCACHE_COLORS) panic("cache_init: too many D$ colors"); set = pcpu->pc_cache.ec_size / pcpu->pc_cache.ec_assoc; @@ -155,12 +160,21 @@ cache_init(struct pcpu *pcpu) icache_page_inval = cheetah_icache_page_inval; tlb_flush_nonlocked = cheetah_tlb_flush_nonlocked; tlb_flush_user = cheetah_tlb_flush_user; - } else { + } else if (pcpu->pc_impl == CPU_IMPL_SPARC64V) { + cache_enable = cheetah_cache_enable; + cache_flush = zeus_cache_flush; + dcache_page_inval = zeus_dcache_page_inval; + icache_page_inval = zeus_icache_page_inval; + tlb_flush_nonlocked = cheetah_tlb_flush_nonlocked; + tlb_flush_user = cheetah_tlb_flush_user; + } else if (pcpu->pc_impl >= CPU_IMPL_ULTRASPARCI && + pcpu->pc_impl < CPU_IMPL_ULTRASPARCIII) { cache_enable = spitfire_cache_enable; cache_flush = spitfire_cache_flush; dcache_page_inval = spitfire_dcache_page_inval; icache_page_inval = spitfire_icache_page_inval; tlb_flush_nonlocked = spitfire_tlb_flush_nonlocked; tlb_flush_user = spitfire_tlb_flush_user; - } + } else + panic("cache_init: unknown CPU"); } diff --git a/sys/sparc64/sparc64/cheetah.c b/sys/sparc64/sparc64/cheetah.c index 8366187..99d38c9 100644 --- a/sys/sparc64/sparc64/cheetah.c +++ b/sys/sparc64/sparc64/cheetah.c @@ -39,11 +39,13 @@ __FBSDID("$FreeBSD$"); #include <vm/vm.h> #include <vm/pmap.h> +#include <machine/asi.h> #include <machine/cache.h> #include <machine/cpu.h> #include <machine/cpufunc.h> #include <machine/dcr.h> #include <machine/lsu.h> +#include <machine/mcntl.h> #include <machine/smp.h> #include <machine/tlb.h> #include <machine/ver.h> @@ -52,7 +54,8 @@ __FBSDID("$FreeBSD$"); #define CHEETAH_ICACHE_TAG_LOWER 0x30 /* - * CPU-specific initialization + * CPU-specific initialization - this is used for both the Sun Cheetah and + * later as well as the Fujitsu Zeus and later CPUs. */ void cheetah_init(u_int cpu_impl) @@ -75,6 +78,14 @@ cheetah_init(u_int cpu_impl) stxa(AA_IMMU_TSB_NEXT_REG, ASI_IMMU, 0); membar(Sync); + if (cpu_impl == CPU_IMPL_SPARC64V) { + /* Ensure MCNTL_JPS1_TSBP is 0. */ + val = ldxa(AA_MCNTL, ASI_MCNTL); + val &= ~MCNTL_JPS1_TSBP; + stxa(AA_MCNTL, ASI_MCNTL, val); + return; + } + /* * Configure the first large dTLB to hold 4MB pages (e.g. for direct * mappings) for all three contexts and ensure the second one is set @@ -207,7 +218,7 @@ cheetah_dcache_page_inval(vm_paddr_t spa) * consistency is maintained by hardware. */ void -cheetah_icache_page_inval(vm_paddr_t pa) +cheetah_icache_page_inval(vm_paddr_t pa __unused) { } diff --git a/sys/sparc64/sparc64/identcpu.c b/sys/sparc64/sparc64/identcpu.c index 0b73151..455aa67 100644 --- a/sys/sparc64/sparc64/identcpu.c +++ b/sys/sparc64/sparc64/identcpu.c @@ -41,7 +41,7 @@ cpu_identify(u_long vers, u_int freq, u_int id) switch (VER_MANUF(vers)) { case 0x04: - manus = "HAL"; + manus = "HAL/Fujitsu"; break; case 0x13: case 0x17: @@ -57,6 +57,27 @@ cpu_identify(u_long vers, u_int freq, u_int id) case CPU_IMPL_SPARC64: impls = "SPARC64"; break; + case CPU_IMPL_SPARC64II: + impls = "SPARC64-II"; + break; + case CPU_IMPL_SPARC64III: + impls = "SPARC64-III"; + break; + case CPU_IMPL_SPARC64IV: + impls = "SPARC64-IV"; + break; + case CPU_IMPL_SPARC64V: + impls = "SPARC64-V"; + break; + case CPU_IMPL_SPARC64VI: + impls = "SPARC64-VI"; + break; + case CPU_IMPL_SPARC64VII: + impls = "SPARC64-VII"; + break; + case CPU_IMPL_SPARC64VIIIfx: + impls = "SPARC64-VIIIfx"; + break; case CPU_IMPL_ULTRASPARCI: impls = "UltraSparc-I"; break; @@ -67,7 +88,6 @@ cpu_identify(u_long vers, u_int freq, u_int id) impls = "UltraSparc-IIi"; break; case CPU_IMPL_ULTRASPARCIIe: - /* V9 Manual says `UltraSparc-e'. I assume this is wrong. */ impls = "UltraSparc-IIe"; break; case CPU_IMPL_ULTRASPARCIII: diff --git a/sys/sparc64/sparc64/machdep.c b/sys/sparc64/sparc64/machdep.c index c904060..eda2e01 100644 --- a/sys/sparc64/sparc64/machdep.c +++ b/sys/sparc64/sparc64/machdep.c @@ -276,6 +276,7 @@ cpu_cpuid_prop(u_int cpu_impl) switch (cpu_impl) { case CPU_IMPL_SPARC64: + case CPU_IMPL_SPARC64V: case CPU_IMPL_ULTRASPARCI: case CPU_IMPL_ULTRASPARCII: case CPU_IMPL_ULTRASPARCIIi: @@ -300,6 +301,7 @@ cpu_get_mid(u_int cpu_impl) switch (cpu_impl) { case CPU_IMPL_SPARC64: + case CPU_IMPL_SPARC64V: case CPU_IMPL_ULTRASPARCI: case CPU_IMPL_ULTRASPARCII: case CPU_IMPL_ULTRASPARCIIi: @@ -343,7 +345,8 @@ sparc64_init(caddr_t mdp, u_long o1, u_long o2, u_long o3, ofw_vec_t *vec) /* * Do CPU-specific initialization. */ - if (cpu_impl >= CPU_IMPL_ULTRASPARCIII) + if (cpu_impl == CPU_IMPL_SPARC64V || + cpu_impl >= CPU_IMPL_ULTRASPARCIII) cheetah_init(cpu_impl); /* @@ -491,6 +494,7 @@ sparc64_init(caddr_t mdp, u_long o1, u_long o2, u_long o3, ofw_vec_t *vec) if (cpu_use_vis) { switch (cpu_impl) { case CPU_IMPL_SPARC64: + case CPU_IMPL_SPARC64V: case CPU_IMPL_ULTRASPARCI: case CPU_IMPL_ULTRASPARCII: case CPU_IMPL_ULTRASPARCIIi: diff --git a/sys/sparc64/sparc64/mp_locore.S b/sys/sparc64/sparc64/mp_locore.S index bd4fd13..e78b4b9 100644 --- a/sys/sparc64/sparc64/mp_locore.S +++ b/sys/sparc64/sparc64/mp_locore.S @@ -200,19 +200,25 @@ ENTRY(mp_startup) srlx %l1, VER_IMPL_SHIFT, %l1 sll %l1, VER_IMPL_SIZE, %l1 srl %l1, VER_IMPL_SIZE, %l1 + cmp %l1, CPU_IMPL_SPARC64V + bl %icc, 4f + nop + cmp %l1, CPU_IMPL_ULTRASPARCI + bl %icc, 2f + nop cmp %l1, CPU_IMPL_ULTRASPARCIII bl %icc, 3f nop - mov CPU_STICKSYNC, %l2 +2: mov CPU_STICKSYNC, %l2 membar #StoreLoad stw %l2, [%l0 + CSA_STATE] -2: ldx [%l0 + CSA_STICK], %l2 - brz %l2, 2b +3: ldx [%l0 + CSA_STICK], %l2 + brz %l2, 3b nop wr %l2, 0, %asr24 -3: call cpu_get_mid +4: call cpu_get_mid mov %l1, %o0 /* @@ -225,9 +231,9 @@ ENTRY(mp_startup) /* * Wait till its our turn to bootstrap. */ -4: lduw [%l0 + CSA_MID], %l1 +5: lduw [%l0 + CSA_MID], %l1 cmp %l1, %o0 - bne %xcc, 4b + bne %xcc, 5b nop add %l0, CSA_TTES, %l1 @@ -236,7 +242,7 @@ ENTRY(mp_startup) /* * Map the per-CPU pages. */ -5: sllx %l2, TTE_SHIFT, %l3 +6: sllx %l2, TTE_SHIFT, %l3 add %l1, %l3, %l3 ldx [%l3 + TTE_VPN], %l4 @@ -251,7 +257,7 @@ ENTRY(mp_startup) add %l2, 1, %l2 cmp %l2, PCPU_PAGES - bne %xcc, 5b + bne %xcc, 6b nop /* diff --git a/sys/sparc64/sparc64/mp_machdep.c b/sys/sparc64/sparc64/mp_machdep.c index ce66a4b..4281204 100644 --- a/sys/sparc64/sparc64/mp_machdep.c +++ b/sys/sparc64/sparc64/mp_machdep.c @@ -164,7 +164,8 @@ mp_init(u_int cpu_impl) if (cpu_impl == CPU_IMPL_ULTRASPARCIIIi || cpu_impl == CPU_IMPL_ULTRASPARCIIIip) isjbus = 1; - if (cpu_impl >= CPU_IMPL_ULTRASPARCIII) + if (cpu_impl == CPU_IMPL_SPARC64V || + cpu_impl >= CPU_IMPL_ULTRASPARCIII) cpu_ipi_selected = cheetah_ipi_selected; else cpu_ipi_selected = spitfire_ipi_selected; @@ -315,7 +316,8 @@ ap_start(phandle_t node, u_int mid, u_int cpu_impl) ; membar(StoreLoad); csa->csa_tick = rd(tick); - if (cpu_impl >= CPU_IMPL_ULTRASPARCIII) { + if (cpu_impl == CPU_IMPL_SPARC64V || + cpu_impl >= CPU_IMPL_ULTRASPARCIII) { while (csa->csa_state != CPU_STICKSYNC) ; membar(StoreLoad); @@ -411,7 +413,8 @@ cpu_mp_bootstrap(struct pcpu *pc) csa = &cpu_start_args; /* Do CPU-specific initialization. */ - if (pc->pc_impl >= CPU_IMPL_ULTRASPARCIII) + if (pc->pc_impl == CPU_IMPL_SPARC64V || + pc->pc_impl >= CPU_IMPL_ULTRASPARCIII) cheetah_init(pc->pc_impl); /* * Enable the caches. Note that his may include applying workarounds. diff --git a/sys/sparc64/sparc64/pmap.c b/sys/sparc64/sparc64/pmap.c index 5d69c13..4a2853c 100644 --- a/sys/sparc64/sparc64/pmap.c +++ b/sys/sparc64/sparc64/pmap.c @@ -528,7 +528,8 @@ pmap_bootstrap(u_int cpu_impl) tp->tte_data = ((translations[i].om_tte & ~((TD_SOFT2_MASK << TD_SOFT2_SHIFT) | - (cpu_impl < CPU_IMPL_ULTRASPARCIII ? + (cpu_impl >= CPU_IMPL_ULTRASPARCI && + cpu_impl < CPU_IMPL_ULTRASPARCIII ? (TD_DIAG_SF_MASK << TD_DIAG_SF_SHIFT) : (TD_RSVD_CH_MASK << TD_RSVD_CH_SHIFT)) | (TD_SOFT_MASK << TD_SOFT_SHIFT))) | TD_EXEC) + @@ -704,16 +705,16 @@ retry: if (va >= VM_MIN_DIRECT_ADDRESS) { tp = NULL; m = PHYS_TO_VM_PAGE(TLB_DIRECT_TO_PHYS(va)); - (void)vm_page_pa_tryrelock(pm, TLB_DIRECT_TO_PHYS(va), &pa); + (void)vm_page_pa_tryrelock(pm, TLB_DIRECT_TO_PHYS(va), + &pa); vm_page_hold(m); } else { tp = tsb_kvtotte(va); if ((tp->tte_data & TD_V) == 0) tp = NULL; } - } else { + } else tp = tsb_tte_lookup(pm, va); - } if (tp != NULL && ((tp->tte_data & TD_SW) || (prot & VM_PROT_WRITE) == 0)) { if (vm_page_pa_tryrelock(pm, TTE_GET_PA(tp), &pa)) diff --git a/sys/sparc64/sparc64/tick.c b/sys/sparc64/sparc64/tick.c index 1a38013..041faa0 100644 --- a/sys/sparc64/sparc64/tick.c +++ b/sys/sparc64/sparc64/tick.c @@ -120,7 +120,8 @@ cpu_initclocks(void) */ } else { clock = PCPU_GET(clock); - intr_setup(PIL_TICK, PCPU_GET(impl) < CPU_IMPL_ULTRASPARCIII ? + intr_setup(PIL_TICK, PCPU_GET(impl) >= CPU_IMPL_ULTRASPARCI && + PCPU_GET(impl) < CPU_IMPL_ULTRASPARCIII ? tick_hardclock_bbwar : tick_hardclock, -1, NULL, NULL); set_cputicker(tick_cputicks, clock, 0); } @@ -325,7 +326,8 @@ void tick_clear(u_int cpu_impl) { - if (cpu_impl >= CPU_IMPL_ULTRASPARCIII) + if (cpu_impl == CPU_IMPL_SPARC64V || + cpu_impl >= CPU_IMPL_ULTRASPARCIII) wrstick(0, 0); wrpr(tick, 0, 0); } @@ -334,7 +336,8 @@ void tick_stop(u_int cpu_impl) { - if (cpu_impl >= CPU_IMPL_ULTRASPARCIII) + if (cpu_impl == CPU_IMPL_SPARC64V || + cpu_impl >= CPU_IMPL_ULTRASPARCIII) wrstickcmpr(1L << 63, 0); wrtickcmpr(1L << 63, 0); } diff --git a/sys/sparc64/sparc64/zeus.c b/sys/sparc64/sparc64/zeus.c new file mode 100644 index 0000000..a3dc4e5 --- /dev/null +++ b/sys/sparc64/sparc64/zeus.c @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org> + * 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 AUTHOR 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 AUTHOR 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> + +#include <machine/asi.h> +#include <machine/cache.h> +#include <machine/cpufunc.h> + +/* + * Flush all lines from the level 1 caches. + */ +void +zeus_cache_flush(void) +{ + + stxa_sync(0, ASI_FLUSH_L1I, 0); +} + +/* + * Flush a physical page from the data cache. Data cache consistency is + * maintained by hardware. + */ +void +zeus_dcache_page_inval(vm_paddr_t spa __unused) +{ + +} + +/* + * Flush a physical page from the intsruction cache. Instruction cache + * consistency is maintained by hardware. + */ +void +zeus_icache_page_inval(vm_paddr_t pa __unused) +{ + +} |