diff options
Diffstat (limited to 'plat/arm/common/arm_common.c')
-rw-r--r-- | plat/arm/common/arm_common.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/plat/arm/common/arm_common.c b/plat/arm/common/arm_common.c index 93355fe4..c53723d5 100644 --- a/plat/arm/common/arm_common.c +++ b/plat/arm/common/arm_common.c @@ -134,6 +134,7 @@ uint32_t arm_get_spsr_for_bl32_entry(void) /******************************************************************************* * Gets SPSR for BL33 entry ******************************************************************************/ +#ifndef AARCH32 uint32_t arm_get_spsr_for_bl33_entry(void) { unsigned long el_status; @@ -154,6 +155,28 @@ uint32_t arm_get_spsr_for_bl33_entry(void) spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); return spsr; } +#else +/******************************************************************************* + * Gets SPSR for BL33 entry + ******************************************************************************/ +uint32_t arm_get_spsr_for_bl33_entry(void) +{ + unsigned int hyp_status, mode, spsr; + + hyp_status = GET_VIRT_EXT(read_id_pfr1()); + + mode = (hyp_status) ? MODE32_hyp : MODE32_svc; + + /* + * TODO: Consider the possibility of specifying the SPSR in + * the FIP ToC and allowing the platform to have a say as + * well. + */ + spsr = SPSR_MODE32(mode, plat_get_ns_image_entrypoint() & 0x1, + SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS); + return spsr; +} +#endif /* AARCH32 */ /******************************************************************************* * Configures access to the system counter timer module. |