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accel/tcg: add size paremeter in tlb_fill()

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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>
This commit is contained in:
Laurent Vivier 2018-01-18 20:38:40 +01:00
parent 39e3e113bd
commit 98670d47cd
58 changed files with 129 additions and 121 deletions
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6
target/lm32/op_helper.c
View file

@ -144,12 +144,12 @@ uint32_t HELPER(rcsr_jrx)(CPULM32State *env)
* NULL, it means that the function was called in C code (i.e. not
* from generated code or from helper.c)
*/
void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType access_type,
int mmu_idx, uintptr_t retaddr)
void tlb_fill(CPUState *cs, target_ulong addr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
{
int ret;
ret = lm32_cpu_handle_mmu_fault(cs, addr, access_type, mmu_idx);
ret = lm32_cpu_handle_mmu_fault(cs, addr, size, access_type, mmu_idx);
if (unlikely(ret)) {
/* now we have a real cpu fault */
cpu_loop_exit_restore(cs, retaddr);