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authorRichard Henderson <richard.henderson@linaro.org>2019-04-03 09:07:11 +0700
committerRichard Henderson <richard.henderson@linaro.org>2019-05-10 11:12:50 -0700
commitc319dc13579a92937bffe02ad2c9f1a550e73973 (patch)
tree0b20168d6277dc00bb2f306d7a73a5345c1ed6ad /accel
parentb008c45612f652edb8cae8ec9620a3f57b2500e3 (diff)
tcg: Use CPUClass::tlb_fill in cputlb.c
We can now use the CPUClass hook instead of a named function. Create a static tlb_fill function to avoid other changes within cputlb.c. This also isolates the asserts within. Remove the named tlb_fill function from all of the targets. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
-rw-r--r--accel/tcg/cputlb.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index f2f618217d..dfcd9ae168 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -855,6 +855,25 @@ static inline ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr)
return ram_addr;
}
+/*
+ * Note: tlb_fill() can trigger a resize of the TLB. This means that all of the
+ * caller's prior references to the TLB table (e.g. CPUTLBEntry pointers) must
+ * be discarded and looked up again (e.g. via tlb_entry()).
+ */
+static void tlb_fill(CPUState *cpu, target_ulong addr, int size,
+ MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+ bool ok;
+
+ /*
+ * This is not a probe, so only valid return is success; failure
+ * should result in exception + longjmp to the cpu loop.
+ */
+ ok = cc->tlb_fill(cpu, addr, size, access_type, mmu_idx, false, retaddr);
+ assert(ok);
+}
+
static uint64_t io_readx(CPUArchState *env, CPUIOTLBEntry *iotlbentry,
int mmu_idx,
target_ulong addr, uintptr_t retaddr,