@ -21,10 +21,22 @@ static inline bool is_armv7_gentimer_present(void)
return true ;
}
static inline bool is_armv8_1_pan_present ( void )
static inline unsigned int read_feat_pan_id_field ( void )
{
return ( ( read_id_aa64mmfr1_el1 ( ) > > ID_AA64MMFR1_EL1_PAN_SHIFT ) &
ID_AA64MMFR1_EL1_PAN_MASK ) ! = 0U ;
return ISOLATE_FIELD ( read_id_aa64mmfr1_el1 ( ) , ID_AA64MMFR1_EL1_PAN ) ;
}
static inline bool is_feat_pan_supported ( void )
{
if ( ENABLE_FEAT_PAN = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_FEAT_PAN = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_pan_id_field ( ) ! = 0U ;
}
static inline unsigned int read_feat_vhe_id_field ( void )
@ -101,16 +113,40 @@ static inline unsigned int get_armv8_5_mte_support(void)
ID_AA64PFR1_EL1_MTE_MASK ) ;
}
static inline bool is_armv8_4_sel2_present ( void )
static inline unsigned int read_feat_sel2_id_field ( void )
{
return ISOLATE_FIELD ( read_id_aa64pfr0_el1 ( ) , ID_AA64PFR0_SEL2 ) ;
}
static inline bool is_feat_sel2_supported ( void )
{
if ( ENABLE_FEAT_SEL2 = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_FEAT_SEL2 = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_sel2_id_field ( ) ! = 0U ;
}
static inline unsigned int read_feat_twed_id_field ( void )
{
return ( ( read_id_aa64pfr0_el1 ( ) > > ID_AA64PFR0_SEL2_SHIFT ) &
ID_AA64PFR0_SEL2_MASK ) = = 1ULL ;
return ISOLATE_FIELD ( read_id_aa64mmfr1_el1 ( ) , ID_AA64MMFR1_EL1_TWED ) ;
}
static inline bool is_armv8_6_twed_present ( void )
static inline bool is_feat_twed_supported ( void )
{
return ( ( ( read_id_aa64mmfr1_el1 ( ) > > ID_AA64MMFR1_EL1_TWED_SHIFT ) &
ID_AA64MMFR1_EL1_TWED_MASK ) = = ID_AA64MMFR1_EL1_TWED_SUPPORTED ) ;
if ( ENABLE_FEAT_TWED = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_FEAT_TWED = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_twed_id_field ( ) ! = 0U ;
}
static unsigned int read_feat_fgt_id_field ( void )
@ -131,16 +167,53 @@ static inline bool is_feat_fgt_supported(void)
return read_feat_fgt_id_field ( ) ! = 0U ;
}
static inline unsigned long int get_armv8_6_ecv_support ( void )
static unsigned int read_feat_ecv_id_field ( void )
{
return ISOLATE_FIELD ( read_id_aa64mmfr0_el1 ( ) , ID_AA64MMFR0_EL1_ECV ) ;
}
static inline bool is_feat_ecv_supported ( void )
{
if ( ENABLE_FEAT_ECV = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_FEAT_ECV = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_ecv_id_field ( ) ! = 0U ;
}
static inline bool is_feat_ecv_v2_supported ( void )
{
if ( ENABLE_FEAT_ECV = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_FEAT_ECV = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_ecv_id_field ( ) > = ID_AA64MMFR0_EL1_ECV_SELF_SYNCH ;
}
static unsigned int read_feat_rng_id_field ( void )
{
return ( ( read_id_aa64mmfr0_el1 ( ) > > ID_AA64MMFR0_EL1_ECV_SHIFT ) &
ID_AA64MMFR0_EL1_ECV_MASK ) ;
return ISOLATE_FIELD ( read_id_aa64isar0_el1 ( ) , ID_AA64ISAR0_RNDR ) ;
}
static inline bool is_armv8_5_rng_present ( void )
static inline bool is_feat_rng_supported ( void )
{
return ( ( read_id_aa64isar0_el1 ( ) > > ID_AA64ISAR0_RNDR_SHIFT ) &
ID_AA64ISAR0_RNDR_MASK ) ;
if ( ENABLE_FEAT_RNG = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_FEAT_RNG = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_rng_id_field ( ) ! = 0U ;
}
static unsigned int read_feat_tcrx_id_field ( void )
@ -256,19 +329,30 @@ static inline unsigned int get_armv9_2_feat_rme_support(void)
/*********************************************************************************
* Function to identify the presence of FEAT_SB ( Speculation Barrier Instruction )
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static inline bool is_armv8_0_feat_sb_present ( void )
static inline unsigned int read_feat_sb_id_field ( void )
{
return ( ( ( read_id_aa64isar1_el1 ( ) > > ID_AA64ISAR1_SB_SHIFT ) &
ID_AA64ISAR1_SB_MASK ) = = ID_AA64ISAR1_SB_SUPPORTED ) ;
return ISOLATE_FIELD ( read_id_aa64isar1_el1 ( ) , ID_AA64ISAR1_SB ) ;
}
/*********************************************************************************
* Function to identify the presence of FEAT_CSV2_2 ( Cache Speculation Variant 2 )
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static inline bool is_armv8_0_feat_csv2_2_present ( void )
static inline unsigned int read_feat_csv2_id_field ( void )
{
return ( ( ( read_id_aa64pfr0_el1 ( ) > > ID_AA64PFR0_CSV2_SHIFT ) &
ID_AA64PFR0_CSV2_MASK ) = = ID_AA64PFR0_CSV2_2_SUPPORTED ) ;
return ISOLATE_FIELD ( read_id_aa64pfr0_el1 ( ) , ID_AA64PFR0_CSV2 ) ;
}
static inline bool is_feat_csv2_2_supported ( void )
{
if ( ENABLE_FEAT_CSV2_2 = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_FEAT_CSV2_2 = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_csv2_id_field ( ) > = ID_AA64PFR0_CSV2_2_SUPPORTED ;
}
/**********************************************************************************
@ -320,6 +404,24 @@ static inline bool is_armv8_4_feat_dit_present(void)
ID_AA64PFR0_DIT_MASK ) = = ID_AA64PFR0_DIT_SUPPORTED ) ;
}
static inline unsigned int read_feat_tracever_id_field ( void )
{
return ISOLATE_FIELD ( read_id_aa64dfr0_el1 ( ) , ID_AA64DFR0_TRACEVER ) ;
}
static inline bool is_feat_sys_reg_trace_supported ( void )
{
if ( ENABLE_SYS_REG_TRACE_FOR_NS = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( ENABLE_SYS_REG_TRACE_FOR_NS = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_tracever_id_field ( ) ! = 0U ;
}
/*************************************************************************
* Function to identify the presence of FEAT_TRF ( TraceLift )
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
@ -345,10 +447,22 @@ static inline bool is_feat_trf_supported(void)
* Function to identify the presence of FEAT_NV2 ( Enhanced Nested Virtualization
* Support )
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static inline unsigned int get_armv8_4_feat_nv_support ( void )
static inline unsigned int read_feat_nv_id_field ( void )
{
return ( ( ( read_id_aa64mmfr2_el1 ( ) > > ID_AA64MMFR2_EL1_NV_SHIFT ) &
ID_AA64MMFR2_EL1_NV_MASK ) ) ;
return ISOLATE_FIELD ( read_id_aa64mmfr2_el1 ( ) , ID_AA64MMFR2_EL1_NV ) ;
}
static inline bool is_feat_nv2_supported ( void )
{
if ( CTX_INCLUDE_NEVE_REGS = = FEAT_STATE_DISABLED ) {
return false ;
}
if ( CTX_INCLUDE_NEVE_REGS = = FEAT_STATE_ALWAYS ) {
return true ;
}
return read_feat_nv_id_field ( ) > = ID_AA64MMFR2_EL1_NV2_SUPPORTED ;
}
/*******************************************************************************
Manish Pandey
2 years ago
TrustedFirmware Code Review