FreeCalypso > hg > fc-tourmaline
annotate cdg-hybrid/cdginc/p_fad.val @ 220:0ed36de51973
ABB semaphore protection overhaul
The ABB semaphone protection logic that came with TCS211 from TI
was broken in several ways:
* Some semaphore-protected functions were called from Application_Initialize()
context. NU_Obtain_Semaphore() called with NU_SUSPEND fails with
NU_INVALID_SUSPEND in this context, but the return value wasn't checked,
and NU_Release_Semaphore() would be called unconditionally at the end.
The latter call would increment the semaphore count past 1, making the
semaphore no longer binary and thus no longer effective for resource
protection. The fix is to check the return value from NU_Obtain_Semaphore()
and skip the NU_Release_Semaphore() call if the semaphore wasn't properly
obtained.
* Some SPI hardware manipulation was being done before entering the semaphore-
protected critical section. The fix is to reorder the code: first obtain
the semaphore, then do everything else.
* In the corner case of L1/DSP recovery, l1_abb_power_on() would call some
non-semaphore-protected ABB & SPI init functions. The fix is to skip those
calls in the case of recovery.
* A few additional corner cases existed, all of which are fixed by making
ABB semaphore protection 100% consistent for all ABB functions and code paths.
There is still one remaining problem of priority inversion: suppose a low-
priority task calls an ABB function, and some medium-priority task just happens
to preempt right in the middle of that semaphore-protected ABB operation. Then
the high-priority SPI task is locked out for a non-deterministic time until
that medium-priority task finishes its work and goes back to sleep. This
priority inversion problem remains outstanding for now.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 26 Apr 2021 20:55:25 +0000 |
parents | 35f7a1dc9f7d |
children |
rev | line source |
---|---|
14
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 +--------------------------------------------------------------------------+ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 | PROJECT : PROTOCOL STACK | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 | FILE : p_fad.val | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 | SOURCE : "sap\fad.pdf" | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 | LastModified : "2002-04-22" | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 | IdAndVersion : "8411.103.00.305" | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 | SrcFileTime : "Thu Nov 29 09:41:22 2007" | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 | Generated by CCDGEN_2.5.5A on Fri Oct 14 21:41:52 2016 | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 | !!DO NOT MODIFY!!DO NOT MODIFY!!DO NOT MODIFY!! | |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 +--------------------------------------------------------------------------+ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 /* PRAGMAS |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 * PREFIX : NONE |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 * COMPATIBILITY_DEFINES : NO (require PREFIX) |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 * ALWAYS_ENUM_IN_VAL_FILE: NO |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 * ENABLE_GROUP: NO |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 * CAPITALIZE_TYPENAME: NO |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 #ifndef P_FAD_VAL |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 #define P_FAD_VAL |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 #define CDG_ENTER__P_FAD_VAL |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 #define CDG_ENTER__FILENAME _P_FAD_VAL |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 #define CDG_ENTER__P_FAD_VAL__FILE_TYPE CDGINC |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 #define CDG_ENTER__P_FAD_VAL__LAST_MODIFIED _2002_04_22 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 #define CDG_ENTER__P_FAD_VAL__ID_AND_VERSION _8411_103_00_305 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 #define CDG_ENTER__P_FAD_VAL__SRC_FILE_TIME _Thu_Nov_29_09_41_22_2007 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 #include "CDG_ENTER.h" |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 #undef CDG_ENTER__P_FAD_VAL |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 #undef CDG_ENTER__FILENAME |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
43 /* |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 * Value constants for VAL_trans_rate |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
45 */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
46 #define R_BCS (0x12c) /* rate 300 bit/s */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
47 #define R_2400 (0x960) /* rate 2400 bit/s */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
48 #define R_4800 (0x12c0) /* rate 4800 bit/s */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
49 #define R_7200 (0x1c20) /* rate 7200 bit/s */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
50 #define R_9600 (0x2580) /* rate 9600 bit/s */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
51 #define R_12000 (0x2ee0) /* rate 12000 bit/s */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
52 #define R_14400 (0x3840) /* rate 14400 bit/s */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
53 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
54 /* |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
55 * Value constants for VAL_mode |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
56 */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
57 #define MUX_OFF (0x0) /* ignore */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
58 #define MUX_BCS (0x1) /* BCS data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
59 #define MUX_MSG (0x2) /* MSG data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
60 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
61 /* |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
62 * Value constants for VAL_cause |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
63 */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
64 #define ERR_REM_FAD (0xcc00) /* reserved */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
65 #define ERR_REM_PREAMBLE (0xcc11) /* DATA received instead of PREAMBLE - Preamble too short */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
66 #define ERR_REM_DATA_BCS (0xcc12) /* DATA received from remote modem during BCS phase */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
67 #define ERR_REM_TRAIN_START (0xcc13) /* DATA received from remote modem at start of training */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
68 #define ERR_REM_NO_TRAINING (0xcc14) /* DATA received from remote modem prior to training */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
69 #define ERR_REM_TRAINING (0xcc15) /* DATA received from remote modem during training */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
70 #define ERR_REM_MSG (0xcc16) /* DATA received from remote modem while sending MSG data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
71 #define ERR_REM_PREAMBLE_SHORT (0xcc17) /* PREAMBLE received from remote station too short */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
72 #define ERR_REM_PREAMBLE_LONG (0xcc18) /* PREAMBLE received from remote station too long */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
73 #define ERR_REM_IDENT (0xcc19) /* Incorrect identification from remote modem */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
74 #define ERR_LOCAL_FAD (0xcc20) /* reserved */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
75 #define ERR_LOCAL_BCS_RATE (0xcc21) /* BCS rate requested by local modem (MSG phase) */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
76 #define ERR_LOCAL_MSG_RATE (0xcc22) /* MSG rate requested by local modem (BCS phase) */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
77 #define ERR_LOCAL_DATA_NULL (0xcc23) /* DATA request received from T30 in NULL state */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
78 #define ERR_LOCAL_DATA_BCS (0xcc24) /* DATA request received from T30 while receiving BCS data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
79 #define ERR_LOCAL_DATA_TCF_SND (0xcc25) /* DATA request received from T30 while sending TCF data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
80 #define ERR_LOCAL_DATA_TCF_RCV (0xcc26) /* DATA request received from T30 while receiving TCF data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
81 #define ERR_LOCAL_DATA_MSG (0xcc27) /* DATA request received from T30 while receiving MSG data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
82 #define ERR_LOCAL_DATA_UNDEF (0xcc28) /* DATA request received from T30 - state unknown */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
83 #define ERR_LOCAL_DATA_MSG_UFL (0xcc29) /* DATA request not received from T30 - MSG-REC underflow */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
84 #define ERR_LOCAL_IDENT (0xcc30) /* Incorrect identification from local modem */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
85 #define ERR_OWN_FAD (0xcc40) /* reserved */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
86 #define ERR_FAD_SUB_TRAIN (0xcc41) /* FAD in unknown substate during training */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
87 #define ERR_FAD_SUB_TCF (0xcc42) /* FAD in unknown substate (TCF) */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
88 #define ERR_FAD_SUB_MSG (0xcc43) /* FAD in unknown substate (MSG) */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
89 #define ERR_GENERAL_FAD (0xcc50) /* reserved */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
90 #define ERR_INVALID_DATA_RCV (0xcc51) /* invalid data received */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
91 #define ERR_EMPTY_BUFFER (0xcc52) /* send/receive buffer is empty */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
92 #define ERR_OVERFLOW_BCS_RCV (0xcc52) /* buffer overflow while receiving BCS data */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
93 #define ERR_NOT_SET (0xccff) /* error not set */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
94 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
95 /* |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
96 * user defined constants |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
97 */ |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
98 #define DUMMY_FAD (0x0) |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
99 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
100 #include "CDG_LEAVE.h" |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
101 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
102 |
35f7a1dc9f7d
cdg-hybrid: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
103 #endif |