accel/tcg: add size paremeter in tlb_fill()

The MC68040 MMU provides the size of the access that
triggers the page fault.

This size is set in the Special Status Word which
is written in the stack frame of the access fault
exception.

So we need the size in m68k_cpu_unassigned_access() and
m68k_cpu_handle_mmu_fault().

To be able to do that, this patch modifies the prototype of
handle_mmu_fault handler, tlb_fill() and probe_write().
do_unassigned_access() already includes a size parameter.

This patch also updates handle_mmu_fault handlers and
tlb_fill() of all targets (only parameter, no code change).

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180118193846.24953-2-laurent@vivier.eu>

1 files changed, 4 insertions, 2 deletions

diff --git a/target/nios2/helper.c b/target/nios2/helper.c
index 9f741a8f19..a169c91eaa 100644
--- a/target/nios2/helper.c
+++ b/target/nios2/helper.c
@@ -37,7 +37,8 @@ void nios2_cpu_do_interrupt(CPUState *cs)
     env->regs[R_EA] = env->regs[R_PC] + 4;
 }
 
-int nios2_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw, int mmu_idx)
+int nios2_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size,
+                               int rw, int mmu_idx)
 {
     cs->exception_index = 0xaa;
     /* Page 0x1000 is kuser helper */
@@ -232,7 +233,8 @@ static int cpu_nios2_handle_virtual_page(
     return 1;
 }
 
-int nios2_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw, int mmu_idx)
+int nios2_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size,
+                               int rw, int mmu_idx)
 {
     Nios2CPU *cpu = NIOS2_CPU(cs);
     CPUNios2State *env = &cpu->env;