accel/tcg: Add tlb_flush_range_by_mmuidx_all_cpus()

Forward tlb_flush_page_bits_by_mmuidx_all_cpus to
tlb_flush_range_by_mmuidx_all_cpus passing TARGET_PAGE_SIZE.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210509151618.2331764-6-f4bug@amsat.org
Message-Id: <20210508201640.1045808-1-richard.henderson@linaro.org>
[PMD: Split from bigger patch]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 464e7445916b05b31d984da0c34beab239158074..a63cf187a4fa9ae568d774a6cc16182813c0b348 100644 (file)
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -839,16 +839,18 @@ void tlb_flush_page_bits_by_mmuidx(CPUState *cpu, target_ulong addr,
     tlb_flush_range_by_mmuidx(cpu, addr, TARGET_PAGE_SIZE, idxmap, bits);
 }
 
-void tlb_flush_page_bits_by_mmuidx_all_cpus(CPUState *src_cpu,
-                                            target_ulong addr,
-                                            uint16_t idxmap,
-                                            unsigned bits)
+void tlb_flush_range_by_mmuidx_all_cpus(CPUState *src_cpu,
+                                        target_ulong addr, target_ulong len,
+                                        uint16_t idxmap, unsigned bits)
 {
     TLBFlushRangeData d;
     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(src_cpu, addr, idxmap);
         return;
     }
@@ -860,7 +862,7 @@ void tlb_flush_page_bits_by_mmuidx_all_cpus(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;
 
@@ -877,6 +879,14 @@ void tlb_flush_page_bits_by_mmuidx_all_cpus(CPUState *src_cpu,
     tlb_flush_page_bits_by_mmuidx_async_0(src_cpu, d);
 }
 
+void tlb_flush_page_bits_by_mmuidx_all_cpus(CPUState *src_cpu,
+                                            target_ulong addr,
+                                            uint16_t idxmap, unsigned bits)
+{
+    tlb_flush_range_by_mmuidx_all_cpus(src_cpu, addr, TARGET_PAGE_SIZE,
+                                       idxmap, bits);
+}
+
 void tlb_flush_page_bits_by_mmuidx_all_cpus_synced(CPUState *src_cpu,
                                                    target_ulong addr,
                                                    uint16_t idxmap,

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 5a5f6d4c1a8eb141f3a6cf0d25fa7268ccbbead2..9a3dbb7ec080a40629231928ba58f28c414f97db 100644 (file)
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -276,6 +276,12 @@ void tlb_flush_page_bits_by_mmuidx_all_cpus_synced
 void tlb_flush_range_by_mmuidx(CPUState *cpu, target_ulong addr,
                                target_ulong len, uint16_t idxmap,
                                unsigned bits);
+
+/* Similarly, with broadcast and syncing. */
+void tlb_flush_range_by_mmuidx_all_cpus(CPUState *cpu, target_ulong addr,
+                                        target_ulong len, uint16_t idxmap,
+                                        unsigned bits);
+
 /**
  * tlb_set_page_with_attrs:
  * @cpu: CPU to add this TLB entry for
@@ -384,6 +390,13 @@ static inline void tlb_flush_range_by_mmuidx(CPUState *cpu, target_ulong addr,
                                              unsigned bits)
 {
 }
+static inline void tlb_flush_range_by_mmuidx_all_cpus(CPUState *cpu,
+                                                      target_ulong addr,
+                                                      target_ulong len,
+                                                      uint16_t idxmap,
+                                                      unsigned bits)
+{
+}
 #endif
 /**
  * probe_access: