diff options
Diffstat (limited to 'target/arm/cpu.h')
| -rw-r--r-- | target/arm/cpu.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 47238e4245..c92c097b44 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -2226,6 +2226,18 @@ static inline bool cptype_valid(int cptype) #define PL0_R (0x02 | PL1_R) #define PL0_W (0x01 | PL1_W) +/* + * For user-mode some registers are accessible to EL0 via a kernel + * trap-and-emulate ABI. In this case we define the read permissions + * as actually being PL0_R. However some bits of any given register + * may still be masked. + */ +#ifdef CONFIG_USER_ONLY +#define PL0U_R PL0_R +#else +#define PL0U_R PL1_R +#endif + #define PL3_RW (PL3_R | PL3_W) #define PL2_RW (PL2_R | PL2_W) #define PL1_RW (PL1_R | PL1_W) |