diff options
Diffstat (limited to 'firmware/thread.c')
-rw-r--r-- | firmware/thread.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/firmware/thread.c b/firmware/thread.c index 4a808fb4b8..2eaa422841 100644 --- a/firmware/thread.c +++ b/firmware/thread.c | |||
@@ -985,6 +985,149 @@ static inline void core_sleep(void) | |||
985 | : : "z"(&SBYCR-GBR) : "r1"); | 985 | : : "z"(&SBYCR-GBR) : "r1"); |
986 | } | 986 | } |
987 | 987 | ||
988 | #elif CPU_MIPS == 32 | ||
989 | |||
990 | /*--------------------------------------------------------------------------- | ||
991 | * Start the thread running and terminate it if it returns | ||
992 | *--------------------------------------------------------------------------- | ||
993 | */ | ||
994 | void start_thread(void); /* Provide C access to ASM label */ | ||
995 | #if 0 | ||
996 | static void __attribute__((used)) __start_thread(void) | ||
997 | { | ||
998 | |||
999 | /* $v0 = context */ | ||
1000 | asm volatile ( | ||
1001 | ".set noreorder \n" | ||
1002 | "_start_thread: \n" /* Start here - no naked attribute */ | ||
1003 | "lw $8, (4)$2 \n" /* Fetch thread function pointer ($8 = $t0, $2 = $v0) */ | ||
1004 | "lw $29, (108)$2 \n" /* Set initial sp(=$29) */ | ||
1005 | "jalr $8 \n" /* Start the thread ($8 = $t0,)*/ | ||
1006 | "sw $0, (116)$2 \n" /* Clear start address ($2 = $v0) */ | ||
1007 | ".set reorder \n" | ||
1008 | ); | ||
1009 | thread_exit(); | ||
1010 | |||
1011 | } | ||
1012 | #else | ||
1013 | void start_thread(void) | ||
1014 | { | ||
1015 | return; | ||
1016 | } | ||
1017 | #endif | ||
1018 | |||
1019 | /* Place context pointer in $v0 slot, function pointer in $v1 slot, and | ||
1020 | * start_thread pointer in context_start */ | ||
1021 | #define THREAD_STARTUP_INIT(core, thread, function) \ | ||
1022 | ({ (thread)->context.r[0] = (uint32_t)&(thread)->context, \ | ||
1023 | (thread)->context.r[1] = (uint32_t)(function), \ | ||
1024 | (thread)->context.start = (uint32_t)start_thread; }) | ||
1025 | |||
1026 | /*--------------------------------------------------------------------------- | ||
1027 | * Store non-volatile context. | ||
1028 | *--------------------------------------------------------------------------- | ||
1029 | */ | ||
1030 | static inline void store_context(void* addr) | ||
1031 | { | ||
1032 | #if 0 | ||
1033 | asm volatile ( | ||
1034 | ".set noreorder \n" | ||
1035 | ".set noat \n" | ||
1036 | "sw $1, (0)%0 \n" | ||
1037 | "sw $2,(4)%0 \n" /* $v0 */ | ||
1038 | "sw $3,(8)%0 \n" /* $v1 */ | ||
1039 | "sw $4,(12)%0 \n" /* $a0 */ | ||
1040 | "sw $5,(16)%0 \n" /* $a1 */ | ||
1041 | "sw $6,(20)%0 \n" /* $a2 */ | ||
1042 | "sw $7,(24)%0 \n" /* $a3 */ | ||
1043 | "sw $8,(28)%0 \n" /* $t0 */ | ||
1044 | "sw $9,(32)%0 \n" /* $t1 */ | ||
1045 | "sw $10,(36)%0 \n" /* $t2 */ | ||
1046 | "sw $11,(40)%0 \n" /* $t3 */ | ||
1047 | "sw $12,(44)%0 \n" /* $t4 */ | ||
1048 | "sw $13,(48)%0 \n" /* $t5 */ | ||
1049 | "sw $14,(52)%0 \n" /* $t6 */ | ||
1050 | "sw $15,(56)%0 \n" /* $t7 */ | ||
1051 | "sw $24,(60)%0 \n" /* $t8 */ | ||
1052 | "sw $25,(64)%0 \n" /* $t9 */ | ||
1053 | "sw $16,(68)%0 \n" /* $s0 */ | ||
1054 | "sw $17,(72)%0 \n" /* $s1 */ | ||
1055 | "sw $18,(76)%0 \n" /* $s2 */ | ||
1056 | "sw $19,(80)%0 \n" /* $s3 */ | ||
1057 | "sw $20,(84)%0 \n" /* $s4 */ | ||
1058 | "sw $21,(88)%0 \n" /* $s5 */ | ||
1059 | "sw $22,(92)%0 \n" /* $s6 */ | ||
1060 | "sw $23,(96)%0 \n" /* $s7 */ | ||
1061 | "sw $28,(100)%0 \n" /* gp */ | ||
1062 | "sw $30,(104)%0 \n" /* fp */ | ||
1063 | "sw $29,(108)%0 \n" /* sp */ | ||
1064 | "sw $31,(112)%0 \n" /* ra */ | ||
1065 | ".set reorder \n" | ||
1066 | : : "r" (addr) | ||
1067 | ); | ||
1068 | #endif | ||
1069 | } | ||
1070 | |||
1071 | /*--------------------------------------------------------------------------- | ||
1072 | * Load non-volatile context. | ||
1073 | *--------------------------------------------------------------------------- | ||
1074 | */ | ||
1075 | static inline void load_context(const void* addr) | ||
1076 | { | ||
1077 | #if 0 | ||
1078 | asm volatile ( | ||
1079 | ".set noat \n" | ||
1080 | ".set noreorder \n" | ||
1081 | "lw $8, 116(%0) \n" /* Get start address ($8 = $t0) */ | ||
1082 | //"tst r0, r0 \n" | ||
1083 | "j .running \n" /* NULL -> already running */ | ||
1084 | "jr $8 \n" /* $t0 = $8 = context */ | ||
1085 | ".running: \n" | ||
1086 | "lw $1, (0)%0 \n" | ||
1087 | "lw $2,(4)%0 \n" /* $v0 */ | ||
1088 | "lw $3,(8)%0 \n" /* $v1 */ | ||
1089 | "lw $4,(12)%0 \n" /* $a0 */ | ||
1090 | "lw $5,(16)%0 \n" /* $a1 */ | ||
1091 | "lw $6,(20)%0 \n" /* $a2 */ | ||
1092 | "lw $7,(24)%0 \n" /* $a3 */ | ||
1093 | "lw $8,(28)%0 \n" /* $t0 */ | ||
1094 | "lw $9,(32)%0 \n" /* $t1 */ | ||
1095 | "lw $10,(36)%0 \n" /* $t2 */ | ||
1096 | "lw $11,(40)%0 \n" /* $t3 */ | ||
1097 | "lw $12,(44)%0 \n" /* $t4 */ | ||
1098 | "lw $13,(48)%0 \n" /* $t5 */ | ||
1099 | "lw $14,(52)%0 \n" /* $t6 */ | ||
1100 | "lw $15,(56)%0 \n" /* $t7 */ | ||
1101 | "lw $24,(60)%0 \n" /* $t8 */ | ||
1102 | "lw $25,(64)%0 \n" /* $t9 */ | ||
1103 | "lw $16,(68)%0 \n" /* $s0 */ | ||
1104 | "lw $17,(72)%0 \n" /* $s1 */ | ||
1105 | "lw $18,(76)%0 \n" /* $s2 */ | ||
1106 | "lw $19,(80)%0 \n" /* $s3 */ | ||
1107 | "lw $20,(84)%0 \n" /* $s4 */ | ||
1108 | "lw $21,(88)%0 \n" /* $s5 */ | ||
1109 | "lw $22,(92)%0 \n" /* $s6 */ | ||
1110 | "lw $23,(96)%0 \n" /* $s7 */ | ||
1111 | "lw $28,(100)%0 \n" /* gp */ | ||
1112 | "lw $30,(104)%0 \n" /* fp */ | ||
1113 | "lw $29,(108)%0 \n" /* sp */ | ||
1114 | "lw $31,(112)%0 \n" /* ra */ | ||
1115 | ".set reorder \n" | ||
1116 | : : "r" (addr) : "v0" /* only! */ | ||
1117 | ); | ||
1118 | #endif | ||
1119 | } | ||
1120 | |||
1121 | /*--------------------------------------------------------------------------- | ||
1122 | * Put core in a power-saving state. | ||
1123 | *--------------------------------------------------------------------------- | ||
1124 | */ | ||
1125 | static inline void core_sleep(void) | ||
1126 | { | ||
1127 | asm volatile("nop\n"); | ||
1128 | } | ||
1129 | |||
1130 | |||
988 | #endif /* CONFIG_CPU == */ | 1131 | #endif /* CONFIG_CPU == */ |
989 | 1132 | ||
990 | /* | 1133 | /* |
@@ -1909,6 +2052,8 @@ static inline void block_thread_on_l(struct thread_entry *thread, | |||
1909 | */ | 2052 | */ |
1910 | void switch_thread(void) | 2053 | void switch_thread(void) |
1911 | { | 2054 | { |
2055 | #ifndef ONDA_VX747 | ||
2056 | |||
1912 | const unsigned int core = CURRENT_CORE; | 2057 | const unsigned int core = CURRENT_CORE; |
1913 | struct thread_entry *block = cores[core].block_task; | 2058 | struct thread_entry *block = cores[core].block_task; |
1914 | struct thread_entry *thread = cores[core].running; | 2059 | struct thread_entry *thread = cores[core].running; |
@@ -2043,6 +2188,8 @@ void switch_thread(void) | |||
2043 | #ifdef RB_PROFILE | 2188 | #ifdef RB_PROFILE |
2044 | profile_thread_started(thread - threads); | 2189 | profile_thread_started(thread - threads); |
2045 | #endif | 2190 | #endif |
2191 | |||
2192 | #endif | ||
2046 | } | 2193 | } |
2047 | 2194 | ||
2048 | /*--------------------------------------------------------------------------- | 2195 | /*--------------------------------------------------------------------------- |