diff options
Diffstat (limited to 'include/bl31/context.h')
| -rw-r--r-- | include/bl31/context.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/include/bl31/context.h b/include/bl31/context.h index 549fa212..59c61daa 100644 --- a/include/bl31/context.h +++ b/include/bl31/context.h @@ -76,7 +76,7 @@ * 32-bits wide but are stored as 64-bit values for convenience ******************************************************************************/ #define CTX_EL3STATE_OFFSET (CTX_GPREGS_OFFSET + CTX_GPREGS_END) -#define CTX_EXCEPTION_SP 0x0 +#define CTX_VBAR_EL3 0x0 /* Currently unused */ #define CTX_RUNTIME_SP 0x8 #define CTX_SPSR_EL3 0x10 #define CTX_ELR_EL3 0x18 @@ -89,7 +89,7 @@ #define CTX_TCR_EL3 0x50 #define CTX_TTBR0_EL3 0x58 #define CTX_DAIF_EL3 0x60 -#define CTX_VBAR_EL3 0x68 /* Currently unused */ +/* Unused space to honour alignment requirements */ #define CTX_EL3STATE_END 0x70 /******************************************************************************* @@ -176,6 +176,11 @@ #define CTX_FP_FPCR 0x208 #define CTX_FPREGS_END 0x210 +/****************************************************************************** + * Offsets for the per cpu cache implementation + ******************************************************************************/ +#define PTR_CACHE_CRASH_STACK_OFFSET 0x0 + #ifndef __ASSEMBLY__ #include <cassert.h> @@ -316,6 +321,18 @@ void el1_sysregs_context_restore(el1_sys_regs_t *regs); void fpregs_context_save(fp_regs_t *regs); void fpregs_context_restore(fp_regs_t *regs); + +/* Per-CPU pointer cache of recently used pointers and also the crash stack + * TODO: Add other commonly used variables to this (tf_issues#90) + */ +typedef struct per_cpu_ptr_cache { + uint64_t crash_stack; +} per_cpu_ptr_cache_t; + +CASSERT(PTR_CACHE_CRASH_STACK_OFFSET == __builtin_offsetof\ + (per_cpu_ptr_cache_t, crash_stack), \ + assert_per_cpu_ptr_cache_crash_stack_offset_mismatch); + #undef CTX_SYSREG_ALL #undef CTX_FP_ALL #undef CTX_GPREG_ALL |