diff options
Diffstat (limited to 'include/bl31/context_mgmt.h')
| -rw-r--r-- | include/bl31/context_mgmt.h | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/include/bl31/context_mgmt.h b/include/bl31/context_mgmt.h index 86bbc58..6127b74 100644 --- a/include/bl31/context_mgmt.h +++ b/include/bl31/context_mgmt.h @@ -31,31 +31,63 @@ #ifndef __CM_H__ #define __CM_H__ +#include <cpu_data.h> #include <stdint.h> /******************************************************************************* + * Forward declarations + ******************************************************************************/ +struct entry_point_info; + +/******************************************************************************* * Function & variable prototypes ******************************************************************************/ void cm_init(void); void *cm_get_context_by_mpidr(uint64_t mpidr, uint32_t security_state); -void *cm_get_context(uint32_t security_state); +static inline void *cm_get_context(uint32_t security_state); void cm_set_context_by_mpidr(uint64_t mpidr, void *context, uint32_t security_state); -void cm_set_context(void *context, uint32_t security_state); +static inline void cm_set_context(void *context, uint32_t security_state); void cm_el3_sysregs_context_save(uint32_t security_state); +void cm_init_context(uint64_t mpidr, const struct entry_point_info *ep); +void cm_prepare_el3_exit(uint32_t security_state); void cm_el3_sysregs_context_restore(uint32_t security_state); void cm_el1_sysregs_context_save(uint32_t security_state); void cm_el1_sysregs_context_restore(uint32_t security_state); -void cm_set_el3_eret_context(uint32_t security_state, uint64_t entrypoint, - uint32_t spsr, uint32_t scr); void cm_set_elr_el3(uint32_t security_state, uint64_t entrypoint); +void cm_set_elr_spsr_el3(uint32_t security_state, + uint64_t entrypoint, uint32_t spsr); void cm_write_scr_el3_bit(uint32_t security_state, uint32_t bit_pos, uint32_t value); void cm_set_next_eret_context(uint32_t security_state); -void cm_init_pcpu_ptr_cache(); -void cm_set_pcpu_ptr_cache(const void *pcpu_ptr); -void *cm_get_pcpu_ptr_cache(void); uint32_t cm_get_scr_el3(uint32_t security_state); + +/* Inline definitions */ + +/******************************************************************************* + * This function returns a pointer to the most recent 'cpu_context' structure + * for the calling CPU that was set as the context for the specified security + * state. NULL is returned if no such structure has been specified. + ******************************************************************************/ +void *cm_get_context(uint32_t security_state) +{ + assert(security_state <= NON_SECURE); + + return get_cpu_data(cpu_context[security_state]); +} + +/******************************************************************************* + * This function sets the pointer to the current 'cpu_context' structure for the + * specified security state for the calling CPU + ******************************************************************************/ +void cm_set_context(void *context, uint32_t security_state) +{ + assert(security_state <= NON_SECURE); + + set_cpu_data(cpu_context[security_state], context); +} + + #endif /* __CM_H__ */ |