On 13 September 2014 05:29, Edgar E. Iglesias <edgar.igles...@gmail.com> wrote: > From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com> > > Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com> > --- > target-arm/cpu.h | 19 ++++++++++++++++++- > target-arm/helper.c | 35 +++++++++++++++++++++++++++++++++-- > 2 files changed, 51 insertions(+), 3 deletions(-) > > diff --git a/target-arm/cpu.h b/target-arm/cpu.h > index 36507f9..c69d471 100644 > --- a/target-arm/cpu.h > +++ b/target-arm/cpu.h > @@ -172,7 +172,6 @@ typedef struct CPUARMState { > uint64_t c1_sys; /* System control register. */ > uint64_t c1_coproc; /* Coprocessor access register. */ > uint32_t c1_xscaleauxcr; /* XScale auxiliary control register. */ > - uint32_t c1_scr; /* secure config register. */ > uint64_t ttbr0_el1; /* MMU translation table base 0. */ > uint64_t ttbr1_el1; /* MMU translation table base 1. */ > uint64_t c2_control; /* MMU translation table base control. */ > @@ -185,6 +184,7 @@ typedef struct CPUARMState { > uint32_t pmsav5_data_ap; /* PMSAv5 MPU data access permissions */ > uint32_t pmsav5_insn_ap; /* PMSAv5 MPU insn access permissions */ > uint64_t hcr_el2; /* Hypervisor configuration register */ > + uint64_t scr_el3; /* Secure configuration register. */ > uint32_t ifsr_el2; /* Fault status registers. */ > uint64_t esr_el[4]; > uint32_t c6_region[8]; /* MPU base/size registers. */
> @@ -873,8 +899,8 @@ static const ARMCPRegInfo v7_cp_reginfo[] = { > .fieldoffset = offsetof(CPUARMState, cp15.vbar_el[1]), > .resetvalue = 0 }, > { .name = "SCR", .cp = 15, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0, > - .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c1_scr), > - .resetvalue = 0, }, > + .access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.scr_el3), > + .resetvalue = 0, .writefn = scr_write }, Still wrong, I'm afraid. For a 32 bit register with a 64 bit struct field you have to use offsetoflow32(), otherwise you'll get the wrong half on bigendian hosts. thanks -- PMM