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21 commits

Author SHA1 Message Date
Angus Gratton
230aa9fd37 Add new "RAM" storage macro for putting constant data in RAM 
Also update comments in common_macros.h following #142
 2016-05-28 12:39:56 +10:00
Angus Gratton
36886412e6 Add abort() implementation 
Also reduces the IRAM footprint of the fatal exception handler, as only
the prelude (which disables interrupts & enables the flash mapping) is
in IRAM now.

Closes #54, relevant to #133.
 2016-05-15 22:30:01 +10:00
Angus Gratton
812c2fef21 Removed INLINED (force inline) macro. 
Progress towards #57.
 2015-11-28 18:01:03 +11:00
Angus Gratton
7823a28ff8 Change default baud rate back to 74906bps, compatible with boot ROM rate 
This reverts a behaviour change from 3ceadfc0a6.
 2015-10-06 23:11:17 +11:00
Angus Gratton
3ceadfc0a6 uart.h: Add uart_get_baud/uart_set_baud functions, change default baud rate from 74906 to 115200 2015-10-06 17:49:00 +11:00
Angus Gratton
4dd8712526 unaligned_load: Run some tests after scheduler/network/wifi all up and running 
As written this doesn't expose any new bugs.
 2015-09-25 09:41:53 +10:00
Angus Gratton
edbfd3a66e unaligned_load tests: Remove incorrect references to DoubleException 2015-09-25 09:22:06 +10:00
Alex Stewart
a3d7732da8 unaligned_load.c: Added more naive_strcpy tests 
Added tests for naive_strcpy using a variety of different regs, as execution time can depend on which register is being used.
 2015-09-19 20:03:22 -07:00
Alex Stewart
4c89a0574b Add sanity-test suite to unaligned_load.c 
Tests are designed to methodically exercise all code paths/opcodes/offsets/etc.
 2015-09-19 15:16:44 -07:00
Angus Gratton
7d779389ab unaligned_load: Fix sign extension, add test case for sign extension 
H/T to @foogod again for this.
 2015-09-15 12:00:32 +10:00
Angus Gratton
7ebebf6d22 unaligned_load: Add doubleexceptionvector behaviour test 2015-09-15 12:00:26 +10:00
Angus Gratton
0432ae3745 Use GPIO2 for led_debug.S 2015-09-14 17:20:00 +10:00
Angus Gratton
1aaef737df Fix printf format string changed in merge 2015-09-10 21:11:52 +10:00
Angus Gratton
ac0a947453 Merge branch 'master' into experiments/unaligned_load 2015-09-10 08:19:42 +10:00
Angus Gratton
7ed064a750 libc: Redefine int32_t/uint32_t as 'int' not 'long' 
libc built from projectgus/newlib-xtensa@0077776963

Closes #42
 2015-09-05 13:37:00 +10:00
Alex Stewart
ab6f4b8420 Fixup some constants used in examples 2015-08-20 15:11:29 -07:00
Angus Gratton
8ea4ae27e2 Unaligned loader: Support l16si 2015-08-11 15:03:53 +10:00
Angus Gratton
3eee1a9845 Examples: Fix printf argument flags for older example programs 2015-08-10 14:50:56 +10:00
Angus Gratton
bfd38cd1e2 Experimental support for storing const strings in SPI flash or IRAM 
As discussed in #11

Known limitations:
- Only supports l8ui/l16ui
- Unoptimised load routine
- Not called from DoubleExceptionHandler but should be
- Doesn't restore state properly when falling through to fatal exception handler
 2015-08-10 12:03:03 +10:00
Angus Gratton
72b61b17f8 Create a default FreeRTOSConfig.h, can override on a per-program basis 
Closes #12
 2015-06-16 17:28:32 +10:00
Angus Gratton
1b0124cf05 Timer FRC1 & FRC2 registers 
Mostly determined from reverse engineering and poking around.

Includes first "experiments" program with random bits and pieces for
poking at registers, may be useful to keep in source control but not
useful for writing actual programs.
 2015-06-12 17:05:54 +10:00