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author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2018-08-15 17:02:28 +0100 |
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committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2018-08-22 10:26:05 +0100 |
commit | 870ce3ddd3b33c59418a7dba703e8a66ec75f98f (patch) | |
tree | 263cf675728e0ec8e0b560cf31f7043cb895df41 /docs/psci-lib-integration-guide.rst | |
parent | cb6dbfe3dc56088895c06b0492cfce289288444e (diff) |
libc: Move tf_printf and tf_snprintf to libc
Change their names to printf and snprintf. They are much smaller than
the previous versions we had, which makes them better suited for the
Trusted Firmware.
Change-Id: Ia872af91b7b967c47fce012eccecede7873a3daf
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Diffstat (limited to 'docs/psci-lib-integration-guide.rst')
-rw-r--r-- | docs/psci-lib-integration-guide.rst | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/docs/psci-lib-integration-guide.rst b/docs/psci-lib-integration-guide.rst index 47cbfcc8..d86fc29e 100644 --- a/docs/psci-lib-integration-guide.rst +++ b/docs/psci-lib-integration-guide.rst @@ -319,7 +319,7 @@ and some helper utilities for assert, print and memory operations as listed below. The TF-A source tree provides implementations for all these functions but the EL3 Runtime Software may use its own implementation. -**Functions : assert(), memcpy(), memset** +**Functions : assert(), memcpy(), memset(), printf()** These must be implemented as described in ISO C Standard. @@ -353,14 +353,6 @@ This function invalidates (flushes) the data cache for memory at address This function will be called by the PSCI library on encountering a critical failure that cannot be recovered from. This function **must not** return. -**Function : tf\_printf()** - -This is printf-compatible function, but unlike printf, it does not return any -value. The TF-A source tree provides an implementation which -is optimized for stack usage and supports only a subset of format specifiers. -The details of the format specifiers supported can be found in the -``tf_printf.c`` file in the TF-A source tree. - CPU Context management API ~~~~~~~~~~~~~~~~~~~~~~~~~~ |