diff options
Diffstat (limited to 'lib/extensions/ras')
| -rw-r--r-- | lib/extensions/ras/ras_common.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/extensions/ras/ras_common.c b/lib/extensions/ras/ras_common.c index 64a48524b..36f9a95b6 100644 --- a/lib/extensions/ras/ras_common.c +++ b/lib/extensions/ras/ras_common.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2020, NVIDIA Corporation. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -18,6 +19,47 @@ # error Platform must define RAS priority value #endif +/* + * Function to convert architecturally-defined primary error code SERR, + * bits[7:0] from ERR<n>STATUS to its corresponding error string. + */ +const char *ras_serr_to_str(unsigned int serr) +{ + const char *str[ERROR_STATUS_NUM_SERR] = { + "No error", + "IMPLEMENTATION DEFINED error", + "Data value from (non-associative) internal memory", + "IMPLEMENTATION DEFINED pin", + "Assertion failure", + "Error detected on internal data path", + "Data value from associative memory", + "Address/control value from associative memory", + "Data value from a TLB", + "Address/control value from a TLB", + "Data value from producer", + "Address/control value from producer", + "Data value from (non-associative) external memory", + "Illegal address (software fault)", + "Illegal access (software fault)", + "Illegal state (software fault)", + "Internal data register", + "Internal control register", + "Error response from slave", + "External timeout", + "Internal timeout", + "Deferred error from slave not supported at master" + }; + + /* + * All other values are reserved. Reserved values might be defined + * in a future version of the architecture + */ + if (serr >= ERROR_STATUS_NUM_SERR) + return "unknown SERR"; + + return str[serr]; +} + /* Handler that receives External Aborts on RAS-capable systems */ int ras_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie, void *handle, uint64_t flags) |