target/hppa: Fix 64-bit SHRPD instruction

When shifting the two joined 64-bit registers right, shift the upper
64-bit register to the left and the lower 64-bit register to the right
before merging t

target/hppa: Fix 64-bit SHRPD instruction

When shifting the two joined 64-bit registers right, shift the upper
64-bit register to the left and the lower 64-bit register to the right
before merging them with OR.

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Replace MMU_PHYS_IDX with MMU_ABS_IDX, MMU_ABS_W_IDX

Align the language with pa2.0, separating absolute and physical.
The translation from absolute to physical depends on PSW.W, and
we

target/hppa: Replace MMU_PHYS_IDX with MMU_ABS_IDX, MMU_ABS_W_IDX

Align the language with pa2.0, separating absolute and physical.
The translation from absolute to physical depends on PSW.W, and
we prefer not to flush between changes, therefore use 2 mmu_idx.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Introduce MMU_IDX_MMU_DISABLED

Reduce the number of direct checks against MMU_PHYS_IDX.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richar

target/hppa: Introduce MMU_IDX_MMU_DISABLED

Reduce the number of direct checks against MMU_PHYS_IDX.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Use only low 2 immediate bits for PROBEI

During the conversion to decodetree, the 2-bit mask was lost.

Fixes: deee69a19fd ("target/hppa: Convert memory management insns")
Reviewed-by:

target/hppa: Use only low 2 immediate bits for PROBEI

During the conversion to decodetree, the 2-bit mask was lost.

Fixes: deee69a19fd ("target/hppa: Convert memory management insns")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Mask reserved PSW bits in expand_sm_imm

The system mask is a restricted subset of the psw, with only
a couple of reserved bits. It is better to handle this up
front in the translator t

target/hppa: Mask reserved PSW bits in expand_sm_imm

The system mask is a restricted subset of the psw, with only
a couple of reserved bits. It is better to handle this up
front in the translator than require helper_swap_system_mask
to use cpu_hppa_get_psw and cpu_hppa_put_psw.

Signed-off-by: Helge Deller <deller@gmx.de>
[rth: Handle this in expand_sm_imm not helper_swap_system_mask.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Add unwind_breg to CPUHPPAState

Fill in the insn_start value during form_gva, and copy
it out to the env field in hppa_restore_state_to_opc.
The value is not yet consumed.

Signed-off-b

target/hppa: Add unwind_breg to CPUHPPAState

Fill in the insn_start value during form_gva, and copy
it out to the env field in hppa_restore_state_to_opc.
The value is not yet consumed.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Clear upper bits in mtctl for pa1.x

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Add pa2.0 cpu local tlb flushes

The previous decoding misnamed the bit it called "local".
Other than the name, the implementation was correct for pa1.x.
Rename this field to "tlbe".

PA

target/hppa: Add pa2.0 cpu local tlb flushes

The previous decoding misnamed the bit it called "local".
Other than the name, the implementation was correct for pa1.x.
Rename this field to "tlbe".

PA2.0 adds (a real) local bit to PxTLB, and also adds a range
of pages to flush in GR[b].

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Implement pa2.0 data prefetch instructions

These are aliased onto the normal integer loads to %g0.
Since we don't emulate caches, prefetch is a nop.

Signed-off-by: Richard Henderson <r

target/hppa: Implement pa2.0 data prefetch instructions

These are aliased onto the normal integer loads to %g0.
Since we don't emulate caches, prefetch is a nop.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Return zero for r0 from load_gpr

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Precompute zero into DisasContext

Reduce the number of times we look for the constant 0.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richa

target/hppa: Precompute zero into DisasContext

Reduce the number of times we look for the constant 0.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Implement PERMH

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Implement MIXH, MIXW

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Implement HSHLADD, HSHRADD

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Implement HSHL, HSHR

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Implement HAVG

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Implement HSUB

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Implement HADD

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Replace tcg_gen_*_tl with tcg_gen_*_i64

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Use tcg_temp_new_i64 not tcg_temp_new

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Remove remaining TARGET_REGISTER_BITS redirections

The conversions to/from i64 can be eliminated entirely,
folding computation into adjacent operations.

Signed-off-by: Richard Henderso

target/hppa: Remove remaining TARGET_REGISTER_BITS redirections

The conversions to/from i64 can be eliminated entirely,
folding computation into adjacent operations.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Remove most of the TARGET_REGISTER_BITS redirections

Remove all but those intended to change type to or from i64.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Remove TARGET_REGISTER_BITS

Rely only on TARGET_LONG_BITS, fixed at 64, and hppa_is_pa20.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/hppa: Implement IDTLBT, IITLBT

Rename the existing insert tlb helpers to emphasize that they
are for pa1.1 cpus. Implement a combined i/d tlb for pa2.0.
Still missing is the new 'P' tlb bit.

target/hppa: Implement IDTLBT, IITLBT

Rename the existing insert tlb helpers to emphasize that they
are for pa1.1 cpus. Implement a combined i/d tlb for pa2.0.
Still missing is the new 'P' tlb bit.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/hppa: Implement STDBY

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>