diff options
| author | Dimitris Papastamos <dimitris.papastamos@arm.com> | 2017-11-28 13:47:06 +0000 |
|---|---|---|
| committer | Dimitris Papastamos <dimitris.papastamos@arm.com> | 2018-01-11 14:36:45 +0000 |
| commit | b6eb39327c5b009bc0bbecdb6867d8bf7c05f2fd (patch) | |
| tree | 9c92eaf9474d4db1397295349b2354bf4183c9a3 /include/lib | |
| parent | 0767d50e699d3d9cb827172dd7742618d37aabe0 (diff) | |
AMU: Add hooks to save/restore AMU context
On some systems, the AMU counters might reset to 0 when a CPU
powerdown happens. This behaviour conflicts with the intended
use-case of AMU as lower ELs are only expected to see non-decreasing
counter values.
Change-Id: If25519965d4e6e47e09225d0e732947986cbb5ec
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
Diffstat (limited to 'include/lib')
| -rw-r--r-- | include/lib/aarch32/arch_helpers.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/lib/aarch32/arch_helpers.h b/include/lib/aarch32/arch_helpers.h index 0230195a..beae5d06 100644 --- a/include/lib/aarch32/arch_helpers.h +++ b/include/lib/aarch32/arch_helpers.h @@ -287,6 +287,11 @@ DEFINE_COPROCR_RW_FUNCS(amcntenset1, AMCNTENSET1) DEFINE_COPROCR_RW_FUNCS(amcntenclr0, AMCNTENCLR0) DEFINE_COPROCR_RW_FUNCS(amcntenclr1, AMCNTENCLR1) +DEFINE_COPROCR_RW_FUNCS_64(amevcntr00, AMEVCNTR00) +DEFINE_COPROCR_RW_FUNCS_64(amevcntr01, AMEVCNTR01) +DEFINE_COPROCR_RW_FUNCS_64(amevcntr02, AMEVCNTR02) +DEFINE_COPROCR_RW_FUNCS_64(amevcntr03, AMEVCNTR03) + /* * TLBI operation prototypes */ |