diff options
| author | Alistair Francis <alistair.francis@xilinx.com> | 2015-05-29 16:30:43 +1000 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@xilinx.com> | 2015-06-21 17:20:15 +1000 |
| commit | 9aaaa181949e4a23ca298fb7006e2d8bac842e92 (patch) | |
| tree | aa9dd2fd75c9f98e80950fc56bba2902550854bd /target-microblaze/cpu.c | |
| parent | 8bac22423e4c3b70082dd6c1b492ccf21f3b5a0c (diff) | |
target-microblaze: Allow the stack protection to be disabled
Microblaze stack protection is configurable and isn't always enabled.
This patch allows the stack protection to be disabled from the
CPU properties.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'target-microblaze/cpu.c')
| -rw-r--r-- | target-microblaze/cpu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target-microblaze/cpu.c b/target-microblaze/cpu.c index 95be540124..d3dad4ab7a 100644 --- a/target-microblaze/cpu.c +++ b/target-microblaze/cpu.c @@ -114,6 +114,9 @@ static void mb_cpu_realizefn(DeviceState *dev, Error **errp) | PVR2_USE_FPU2_MASK \ | PVR2_FPU_EXC_MASK \ | 0; + + env->pvr.regs[0] |= cpu->cfg.stackprot ? PVR0_SPROT_MASK : 0; + env->pvr.regs[10] = 0x0c000000; /* Default to spartan 3a dsp family. */ env->pvr.regs[11] = PVR11_USE_MMU | (16 << 17); @@ -156,6 +159,8 @@ static const VMStateDescription vmstate_mb_cpu = { static Property mb_properties[] = { DEFINE_PROP_UINT32("xlnx.base-vectors", MicroBlazeCPU, base_vectors, 0), + DEFINE_PROP_BOOL("use-stack-protection", MicroBlazeCPU, cfg.stackprot, + true), DEFINE_PROP_END_OF_LIST(), }; |