diff options
| author | Visa Hankala <visa@cvs.openbsd.org> | 2021-10-07 13:08:18 +0000 |
|---|---|---|
| committer | Visa Hankala <visa@cvs.openbsd.org> | 2021-10-07 13:08:18 +0000 |
| commit | 07b6bd8e19d10447d40de40fcba28fa7f689976f (patch) | |
| tree | 054d5a93f7c82427ee43e0f8afdf5ad2fd902e16 /sys/arch/mips64 | |
| parent | a77a4d9e29d341bda7156e4f8f60155661f5ed5e (diff) | |
Remove unused TLB routines.
Diffstat (limited to 'sys/arch/mips64')
| -rw-r--r-- | sys/arch/mips64/include/cpu.h | 4 | ||||
| -rw-r--r-- | sys/arch/mips64/mips64/tlbhandler.S | 61 |
2 files changed, 2 insertions, 63 deletions
diff --git a/sys/arch/mips64/include/cpu.h b/sys/arch/mips64/include/cpu.h index d3831070284..83202954dd9 100644 --- a/sys/arch/mips64/include/cpu.h +++ b/sys/arch/mips64/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.136 2021/07/24 08:21:13 visa Exp $ */ +/* $OpenBSD: cpu.h,v 1.137 2021/10/07 13:08:17 visa Exp $ */ /*- * Copyright (c) 1992, 1993 @@ -407,12 +407,10 @@ void tlb_asid_wrap(struct cpu_info *); void tlb_flush(int); void tlb_flush_addr(vaddr_t); void tlb_init(unsigned int); -int64_t tlb_probe(vaddr_t); void tlb_set_page_mask(uint32_t); void tlb_set_pid(u_int); void tlb_set_wired(uint32_t); int tlb_update(vaddr_t, register_t); -void tlb_update_indexed(vaddr_t, register_t, register_t, uint); void build_trampoline(vaddr_t, vaddr_t); void cpu_switchto_asm(struct proc *, struct proc *); diff --git a/sys/arch/mips64/mips64/tlbhandler.S b/sys/arch/mips64/mips64/tlbhandler.S index ae974d22262..ceca1a20a49 100644 --- a/sys/arch/mips64/mips64/tlbhandler.S +++ b/sys/arch/mips64/mips64/tlbhandler.S @@ -1,4 +1,4 @@ -/* $OpenBSD: tlbhandler.S,v 1.52 2021/05/05 15:29:19 visa Exp $ */ +/* $OpenBSD: tlbhandler.S,v 1.53 2021/10/07 13:08:17 visa Exp $ */ /* * Copyright (c) 1995-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -490,65 +490,6 @@ LEAF(tlb_update, 0) li v0, 0 END(tlb_update) -/* - * int64_t tlb_probe(vaddr_t a0); - * Probe for a TLB entry covering the given address, and return its index - * (< 0 if no match) - */ -LEAF(tlb_probe, 0) - mfc0 v1, COP_0_STATUS_REG # Save the status register. - ori v0, v1, SR_INT_ENAB - xori v0, v0, SR_INT_ENAB - mtc0 v0, COP_0_STATUS_REG # Disable interrupts - MTC0_SR_IE_HAZARD - dli v0, (PG_HVPN | PG_ASID_MASK) - and a0, a0, v0 - dmfc0 ta0, COP_0_TLB_HI # Save current PID - dmtc0 a0, COP_0_TLB_HI # Init high reg - TLB_HAZARD - tlbp # Probe for the entry. - TLB_HAZARD # necessary? - mfc0 v0, COP_0_TLB_INDEX # Return index - dmtc0 ta0, COP_0_TLB_HI # restore PID - mtc0 v1, COP_0_STATUS_REG # Restore the status register - MTC0_SR_IE_HAZARD - j ra - nop -END(tlb_probe) - -/* - * void tlb_update_indexed(vaddr_t a0, register_t a1, register_t a2, uint a3); - * Update a TLB entry pair. - */ -LEAF(tlb_update_indexed, 0) - mfc0 v1, COP_0_STATUS_REG # Save the status register. - ori v0, v1, SR_INT_ENAB - xori v0, v0, SR_INT_ENAB - mtc0 v0, COP_0_STATUS_REG # Disable interrupts - MTC0_SR_IE_HAZARD - dmfc0 ta0, COP_0_TLB_HI # Save current PID - li ta1, TLB_PAGE_MASK - - mtc0 a3, COP_0_TLB_INDEX - mtc0 ta1, COP_0_TLB_PG_MASK # init mask - dmtc0 a0, COP_0_TLB_HI # init high reg. - - PTE_CLEAR_SWBITS(a1) - dmtc0 a1, COP_0_TLB_LO0 # init low reg0. - PTE_CLEAR_SWBITS(a2) - dmtc0 a2, COP_0_TLB_LO1 # init low reg1. - - TLB_HAZARD - tlbwi # update slot - TLB_HAZARD - - dmtc0 ta0, COP_0_TLB_HI # restore PID - mtc0 v1, COP_0_STATUS_REG # Restore the status register - MTC0_SR_IE_HAZARD - j ra - nop -END(tlb_update_indexed) - /*---------------------------------------------------------------- tlb_read * Read the TLB entry. */ |