From c13b27d826797ee12dcf4e4c289a7a6c401e620b Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sun, 9 May 2021 17:16:15 +0200 Subject: accel/tlb: Add tlb_flush_range_by_mmuidx_all_cpus_synced() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Forward tlb_flush_page_bits_by_mmuidx_all_cpus_synced to tlb_flush_range_by_mmuidx_all_cpus_synced passing TARGET_PAGE_SIZE. Signed-off-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Message-id: 20210509151618.2331764-7-f4bug@amsat.org Message-Id: <20210508201640.1045808-1-richard.henderson@linaro.org> [PMD: Split from bigger patch] Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- accel/tcg/cputlb.c | 27 ++++++++++++++++++++------- 1 file changed, 20 insertions(+), 7 deletions(-) (limited to 'accel') diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index a63cf187a4..4b3ac7093c 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -887,16 +887,20 @@ void tlb_flush_page_bits_by_mmuidx_all_cpus(CPUState *src_cpu, idxmap, bits); } -void tlb_flush_page_bits_by_mmuidx_all_cpus_synced(CPUState *src_cpu, - target_ulong addr, - uint16_t idxmap, - unsigned bits) +void tlb_flush_range_by_mmuidx_all_cpus_synced(CPUState *src_cpu, + target_ulong addr, + target_ulong len, + uint16_t idxmap, + unsigned bits) { TLBFlushRangeData d, *p; CPUState *dst_cpu; - /* If all bits are significant, this devolves to tlb_flush_page. */ - if (bits >= TARGET_LONG_BITS) { + /* + * If all bits are significant, and len is small, + * this devolves to tlb_flush_page. + */ + if (bits >= TARGET_LONG_BITS && len <= TARGET_PAGE_SIZE) { tlb_flush_page_by_mmuidx_all_cpus_synced(src_cpu, addr, idxmap); return; } @@ -908,7 +912,7 @@ void tlb_flush_page_bits_by_mmuidx_all_cpus_synced(CPUState *src_cpu, /* This should already be page aligned */ d.addr = addr & TARGET_PAGE_MASK; - d.len = TARGET_PAGE_SIZE; + d.len = len; d.idxmap = idxmap; d.bits = bits; @@ -926,6 +930,15 @@ void tlb_flush_page_bits_by_mmuidx_all_cpus_synced(CPUState *src_cpu, RUN_ON_CPU_HOST_PTR(p)); } +void tlb_flush_page_bits_by_mmuidx_all_cpus_synced(CPUState *src_cpu, + target_ulong addr, + uint16_t idxmap, + unsigned bits) +{ + tlb_flush_range_by_mmuidx_all_cpus_synced(src_cpu, addr, TARGET_PAGE_SIZE, + idxmap, bits); +} + /* update the TLBs so that writes to code in the virtual page 'addr' can be detected */ void tlb_protect_code(ram_addr_t ram_addr) -- cgit v1.2.3