FreeCalypso > hg > fc-magnetite
view src/gpf2/osl/os_pro_fl.c @ 662:8cd8fd15a095
SIM speed enhancement re-enabled and made configurable
TI's original code supported SIM speed enhancement, but Openmoko had it
disabled, and OM's disabling of speed enhancement somehow caused certain
SIM cards to start working which didn't work before (OM's bug #666).
Because our FC community is much smaller in year 2020 than OM's community
was in their day, we are not able to find one of those #666-affected SIMs,
thus the real issue they had encountered remains elusive. Thus our
solution is to re-enable SIM speed enhancement and simply wait for if
and when someone runs into a #666-affected SIM once again. We provide
a SIM_allow_speed_enhancement global variable that allows SIM speed
enhancement to be enabled or disabled per session, and an /etc/SIM_spenh
file in FFS that allows it to enabled or disabled on a non-volatile
basis. SIM speed enhancement is now enabled by default.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 24 May 2020 05:02:28 +0000 |
parents | bc12e6de8a07 |
children |
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/* * This C module is a reconstruction based on the disassembly of * os_pro.obj in frame_na7_db_fl.lib from the Leonardo package. */ /* set of included headers from COFF symtab: */ #include <stdio.h> #include <string.h> #include "nucleus.h" #include "typedefs.h" #include "os.h" #include "gdi.h" #include "os_types.h" #include "os_glob.h" typedef unsigned char u_char; extern VOID *TCD_Current_Thread; extern T_OS_TASK_TABLE_ENTRY TaskTable[]; extern VOID os_TaskEntry(UNSIGNED, VOID *); static NU_SEMAPHORE ProSemCB; #define OS_NU_TASK_MAGIC 0xdeafbeef static int os_GetTaskEntry(USHORT Index, OS_HANDLE *Handle) { static USHORT Idx; if (Index == FIRST_ENTRY) Idx = 0; if (Index == FIRST_ENTRY || Index == NEXT_ENTRY) { while (++Idx <= MaxTasks && !TaskTable[Idx].Name[0]) ; } else Idx = Index; if (Idx <= MaxTasks && TaskTable[Idx].Name[0]) { *Handle = Idx; return(0); } else return(-1); } GLOBAL LONG os_TaskInformation(USHORT Index, char *Buffer) { DATA_ELEMENT TaskStatus; OPTION Prio, Preempt; UNSIGNED Count, TimeSlice, Size, MinStack; OS_HANDLE Handle; CHAR Name[NU_MAX_NAME]; u_char *StackBase, *sp; USHORT Untouched; if (os_GetTaskEntry(Index, &Handle) < 0) return(OS_ERROR); if (NU_Task_Information(&TaskTable[Handle].TaskCB.TCB, Name, &TaskStatus, &Count, &Prio, &Preempt, &TimeSlice, (VOID **) &StackBase, &Size, &MinStack) != NU_SUCCESS) return(OS_ERROR); Untouched = 0; for (sp = StackBase; sp < StackBase + Size; sp++) { if (*sp != INITIAL_STACK_VALUE) break; Untouched++; } sprintf(Buffer, "Name:%s Stat:%d Count:%ld Prio:%d Stack:%lx Size:%ld Untouched:%d", Name, TaskStatus, Count, 255 - Prio, (ULONG) StackBase, (LONG) Size, Untouched); return(OS_OK); } GLOBAL LONG os_StopTask(OS_HANDLE Caller, OS_HANDLE TaskHandle) { if (NU_Suspend_Task(&TaskTable[TaskHandle].TaskCB.TCB) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); } GLOBAL LONG os_StartTask(OS_HANDLE Caller, OS_HANDLE TaskHandle, ULONG Value) { if (NU_Resume_Task(&TaskTable[TaskHandle].TaskCB.TCB) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); } GLOBAL LONG os_ProInit(void) { USHORT i; if (NU_Create_Semaphore(&ProSemCB, "PROSEM", 1, NU_PRIORITY) != NU_SUCCESS) return(OS_ERROR); for (i = 1; i <= MaxTasks; i++) memset(&TaskTable[i], 0, sizeof(T_OS_TASK_TABLE_ENTRY)); return(OS_OK); } GLOBAL unsigned char os_GetTaskState(OS_HANDLE Caller, OS_HANDLE Handle) { if (TaskTable[Handle].Name[0]) return(TaskTable[Handle].TaskCB.TCB.tc_status); else return(255); } GLOBAL LONG os_GetTaskHandle(OS_HANDLE Caller, char *Name, OS_HANDLE *TaskHandle) { USHORT i; if (!Name) { OS_NU_TASK *os_nu_task = (OS_NU_TASK *) TCD_Current_Thread; if (os_nu_task && os_nu_task->magic_nr == OS_NU_TASK_MAGIC) *TaskHandle = os_nu_task->handle; else *TaskHandle = OS_NOTASK; return(OS_OK); } for (i = 1; i <= MaxTasks; i++) if (TaskTable[i].Name[0] && !strncmp(Name, TaskTable[i].Name, RESOURCE_NAMELEN - 1)) { *TaskHandle = i; return(OS_OK); } return(OS_ERROR); } GLOBAL LONG os_GetTaskData(OS_HANDLE Handle, unsigned **tcb, u_char **stackbegin, u_char **stackend) { NU_TASK *task; if (!TaskTable[Handle].Name[0]) return(OS_ERROR); task = &TaskTable[Handle].TaskCB.TCB; *tcb = (unsigned *) task; *stackbegin = (u_char *) task->tc_stack_start; *stackend = (u_char *) task->tc_stack_end; return(OS_OK); } GLOBAL LONG os_GetScheduleCount(OS_HANDLE task_handle, int *schedule_count) { NU_TASK *task_cb; if (task_handle > MaxTasks) return(OS_ERROR); if (!TaskTable[task_handle].Name[0]) return(OS_ERROR); if (task_handle == OS_NOTASK) task_cb = (NU_TASK *) TCD_Current_Thread; else task_cb = &TaskTable[task_handle].TaskCB.TCB; *schedule_count = task_cb->tc_scheduled; return(OS_OK); } GLOBAL LONG os_DestroyTask(OS_HANDLE Caller, OS_HANDLE TaskHandle) { STATUS sts; if (NU_Terminate_Task(&TaskTable[TaskHandle].TaskCB.TCB) != NU_SUCCESS) return(OS_ERROR); if (NU_Delete_Task(&TaskTable[TaskHandle].TaskCB.TCB) != NU_SUCCESS) return(OS_ERROR); if (os_DeallocateMemory(Caller, TaskTable[TaskHandle].Stack) != OS_OK) return(OS_ERROR); sts = NU_Obtain_Semaphore(&ProSemCB, NU_SUSPEND); TaskTable[TaskHandle].Name[0] = 0; if (sts == NU_SUCCESS) NU_Release_Semaphore(&ProSemCB); return(OS_OK); } GLOBAL LONG os_CreateTask(OS_HANDLE Caller, char *Name, void (*TaskEntry)(OS_HANDLE, ULONG), ULONG StackSize, USHORT Priority, OS_HANDLE *TaskHandle, OS_HANDLE MemPoolHandle) { STATUS sem_sts; USHORT Handle; u_char *stack; sem_sts = NU_Obtain_Semaphore(&ProSemCB, NU_SUSPEND); for (Handle = 1; Handle <= MaxTasks; Handle++) if (!TaskTable[Handle].Name[0]) break; if (Handle > MaxTasks) { return_error: if (sem_sts == NU_SUCCESS) NU_Release_Semaphore(&ProSemCB); return(OS_ERROR); } if (os_AllocateMemory(Handle, &TaskTable[Handle].Stack, StackSize + 4, 0, MemPoolHandle) != OS_OK) goto return_error; stack = (u_char *)TaskTable[Handle].Stack + 4; memset(stack, INITIAL_STACK_VALUE, StackSize); *TaskTable[Handle].Stack = GUARD_PATTERN; if (NU_Create_Task(&TaskTable[Handle].TaskCB.TCB, Name, os_TaskEntry, Handle, 0, stack, StackSize, 255 - Priority, 0, NU_PREEMPT, NU_NO_START) != NU_SUCCESS) goto return_error; strncpy(TaskTable[Handle].Name, Name, RESOURCE_NAMELEN); TaskTable[Handle].Name[RESOURCE_NAMELEN-1] = 0; TaskTable[Handle].TaskEntry = TaskEntry; TaskTable[Handle].TaskCB.magic_nr = OS_NU_TASK_MAGIC; TaskTable[Handle].TaskCB.handle = Handle; *TaskHandle = Handle; if (sem_sts == NU_SUCCESS) NU_Release_Semaphore(&ProSemCB); return(OS_OK); } GLOBAL LONG os_ChangePreemption(char preempt) { if (NU_Change_Preemption(preempt) == NU_SUCCESS) return(OS_OK); else return(OS_ERROR); }