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# Date Author Comment
60322b39 01/07/2014 09:17 pm Peter Maydell

target-arm: Remove ARMCPU/CPUARMState from cpregs APIs used by decoder

The cpregs APIs used by the decoder (get_arm_cp_reginfo() and
cp_access_ok()) currently take either a CPUARMState* or an ARMCPU*.
This is problematic for the A64 decoder, which doesn't pass the...
39fb730a 12/17/2013 09:42 pm Alexander Graf

target-arm: A64: add support for conditional branches

This patch adds emulation for the conditional branch (b.cond) instruction.

Signed-off-by: Alexander Graf <>
[claudio: adapted to new decoder structure,
reused arm infrastructure for checking the flags]...
11e169de 12/17/2013 09:42 pm Alexander Graf

target-arm: A64: add support for B and BL insns

Implement the B and BL instructions (PC relative branches and calls).

For convenience in managing TCG temporaries which might be generated
if a source register is the zero-register XZR, we provide a simple...
40f860cd 12/17/2013 09:42 pm Peter Maydell

target-arm: Split A64 from A32/T32 gen_intermediate_code_internal()

The A32/T32 gen_intermediate_code_internal() is complicated because it
has to deal with: * conditionally executed instructions * Thumb IT blocks * kernel helper page * M profile exception-exit special casing...
3407ad0e 09/10/2013 09:11 pm Alexander Graf

target-arm: Export cpu_env

The cpu_env tcg variable will be used by both the AArch32 and AArch64
handling code. Unstaticify it, so that both sides can make use of it.

Signed-off-by: Alexander Graf <>
Signed-off-by: John Rigby <>...
3926cc84 09/10/2013 09:11 pm Alexander Graf

target-arm: Prepare translation for AArch64 code

This patch adds all the prerequisites for AArch64 support that didn't
fit into split up patches. It extends important bits in the core cpu
headers to also take AArch64 mode into account.

Add new ARM_TBFLAG_AARCH64_STATE translation buffer flag...
14ade10f 09/10/2013 09:11 pm Alexander Graf

target-arm: Add AArch64 translation stub

We should translate AArch64 mode separately from AArch32 mode. In AArch64 mode,
registers look vastly different, instruction encoding is completely different,
basically the system turns into a different machine.

So let's do a simple if() in translate.c to decide whether we can handle the...
f570c61e 09/10/2013 09:11 pm Alexander Graf

target-arm: Extract the disas struct to a header file

We will need to share the disassembly status struct between AArch32 and
AArch64 modes. So put it into a header file that both sides can use.

Signed-off-by: Alexander Graf <>
Signed-off-by: John Rigby <>...