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authorPeter Crosthwaite <peter.crosthwaite@xilinx.com>2016-03-04 11:30:20 +0000
committerPeter Maydell <peter.maydell@linaro.org>2016-03-04 11:30:20 +0000
commit91cca2cda9823b1e7a049cb308a05104b5076cba (patch)
tree704bd5ac2ea83856a3b59dd15ea97b3857c66a8d /target-arm/cpu.h
parentaa6489da4e297fb3ffcbc09b50afd700395b6386 (diff)
target-arm: introduce tbflag for endianness
Introduce a tbflags for endianness, set based upon the CPUs current endianness. This in turn propagates through to the disas endianness flag. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/cpu.h')
-rw-r--r--target-arm/cpu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index cbf171cc23..279c91fefd 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -1985,6 +1985,8 @@ static inline bool arm_cpu_data_is_big_endian(CPUARMState *env)
*/
#define ARM_TBFLAG_NS_SHIFT 19
#define ARM_TBFLAG_NS_MASK (1 << ARM_TBFLAG_NS_SHIFT)
+#define ARM_TBFLAG_BE_DATA_SHIFT 20
+#define ARM_TBFLAG_BE_DATA_MASK (1 << ARM_TBFLAG_BE_DATA_SHIFT)
/* Bit usage when in AArch64 state: currently we have no A64 specific bits */
@@ -2015,6 +2017,8 @@ static inline bool arm_cpu_data_is_big_endian(CPUARMState *env)
(((F) & ARM_TBFLAG_XSCALE_CPAR_MASK) >> ARM_TBFLAG_XSCALE_CPAR_SHIFT)
#define ARM_TBFLAG_NS(F) \
(((F) & ARM_TBFLAG_NS_MASK) >> ARM_TBFLAG_NS_SHIFT)
+#define ARM_TBFLAG_BE_DATA(F) \
+ (((F) & ARM_TBFLAG_BE_DATA_MASK) >> ARM_TBFLAG_BE_DATA_SHIFT)
static inline bool bswap_code(bool sctlr_b)
{
@@ -2157,6 +2161,9 @@ static inline void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc,
}
}
}
+ if (arm_cpu_data_is_big_endian(env)) {
+ *flags |= ARM_TBFLAG_BE_DATA_MASK;
+ }
*flags |= fp_exception_el(env) << ARM_TBFLAG_FPEXC_EL_SHIFT;
*cs_base = 0;