#define DEBUG 1
#include <acess.h>
#include <threads.h>
+#include <events.h>
+#if DEBUG == 0
+# define DONT_INCLUDE_SYSCALL_NAMES
+#endif
#include "../syscalls.h"
// === IMPORTS ===
extern int Threads_Fork(void); // AcessNative only function
+extern int Threads_Spawn(int nFD, int FDs[], const void *info);
// === TYPES ===
typedef int (*tSyscallHandler)(Uint *Errno, const char *Format, void *Args, int *Sizes);
a3 = *(_t3*)Args;Args+=sizeof(_t3);\
a4 = *(_t4*)Args;Args+=sizeof(_t4);\
a5 = *(_t5*)Args;Args+=sizeof(_t5);\
- LOG("SYSCALL5 '%s' %p %p %p %p %p %p", Fmt, (intptr_t)a0,(intptr_t)a1,(intptr_t)a2,(intptr_t)a3,(intptr_t)a4,(intptr_t)a5);\
+ LOG("SYSCALL6 '%s' %p %p %p %p %p %p", Fmt, (intptr_t)a0,(intptr_t)a1,(intptr_t)a2,(intptr_t)a3,(intptr_t)a4,(intptr_t)a5);\
_call\
}
#define SYSCALL5(_name, _fmtstr, _t0, _t1, _t2, _t3, _t4, _call) int _name(Uint*Errno,const char*Fmt,void*Args,int*Sizes){\
}
// === CODE ===
-int Syscall_Null(Uint*Errno, const char *Format, void *Args, int *Sizes)
+int Syscall_Null(Uint *Errno, const char *Format, void *Args, int *Sizes)
{
return 0;
}
);
SYSCALL2(Syscall_Open, "si", const char *, int,
- return VFS_Open(a0, a1|VFS_OPENFLAG_USER);
+ int rv = VFS_Open(a0, a1|VFS_OPENFLAG_USER);
+ if(rv == -1) *Errno = errno;
+ return rv;
);
SYSCALL1(Syscall_Close, "i", int,
VFS_Close(a0);
Log_Warning("Syscalls", "Read - %i < %i", Sizes[2], a1);
return -1;
}
- return VFS_Read(a0, a1, a2);
+ size_t rv = VFS_Read(a0, a1, a2);
+ if(rv == -1) *Errno = errno;
+ return rv;
);
SYSCALL3(Syscall_Write, "iid", int, int, const void *,
- if( Sizes[2] < a1 )
+ if( Sizes[2] < a1 ) {
+ *Errno = EINVAL;
return -1;
- return VFS_Write(a0, a1, a2);
+ }
+ size_t rv = VFS_Write(a0, a1, a2);
+ if(rv == -1) *Errno = errno;
+ return rv;
);
SYSCALL3(Syscall_Seek, "iIi", int, int64_t, int,
return VFS_Seek(a0, a1, a2);
);
SYSCALL3(Syscall_FInfo, "idi", int, void *, int,
if( Sizes[1] < sizeof(tFInfo)+a2*sizeof(tVFS_ACL)) {
- LOG("offsetof(size) = %i", offsetof(tFInfo, size));
+ //LOG("offsetof(size) = %i", offsetof(tFInfo, size));
LOG("Bad size %i < %i", Sizes[1], sizeof(tFInfo)+a2*sizeof(tVFS_ACL));
*Errno = -EINVAL;
return -1;
return -1;
return VFS_ReadDir(a0, a1);
);
-SYSCALL6(Syscall_select, "iddddi", int, fd_set *, fd_set *, fd_set *, time_t *, unsigned int,
+SYSCALL6(Syscall_select, "iddddi", int, fd_set *, fd_set *, fd_set *, tTime *, unsigned int,
return VFS_Select(a0, a1, a2, a3, a4, a5, 0);
);
SYSCALL3(Syscall_OpenChild, "isi", int, const char *, int,
return Threads_SetGID(a0);
);
-SYSCALL1(Syscall_Fork, "d", int *,
+SYSCALL0(Syscall_GetTID, return Threads_GetTID());
+SYSCALL0(Syscall_GetPID, return Threads_GetPID());
+SYSCALL0(Syscall_GetUID, return Threads_GetUID());
+SYSCALL0(Syscall_GetGID, return Threads_GetGID());
+
+SYSCALL1(Syscall_AN_Fork, "d", int *,
if(Sizes[0] < sizeof(int))
return -1;
*a0 = Threads_Fork();
return *a0;
);
+SYSCALL3(Syscall_AN_Spawn, "ddd", int *, int *, void *,
+ if(Sizes[0] < sizeof(int))
+ return -1;
+ *a0 = Threads_Spawn(Sizes[1] / sizeof(int), a1, a2);
+ return *a0;
+);
+
+SYSCALL2(Syscall_SendMessage, "id", int, void *,
+ return Proc_SendMessage(a0, Sizes[1], a1);
+);
+
+SYSCALL2(Syscall_GetMessage, "dd", uint32_t *, void *,
+ if( a0 && Sizes[0] < sizeof(*a0) ) {
+ Log_Notice("Syscalls", "Syscall_GetMessage - Arg 1 Undersize (%i < %i)",
+ Sizes[0], sizeof(*a0));
+ return -1;
+ }
+ Uint tmp;
+ int rv;
+ if( a0 ) {
+ rv = Proc_GetMessage(&tmp, Sizes[1], a1);
+ *a0 = tmp;
+ }
+ else
+ rv = Proc_GetMessage(NULL, Sizes[1], a1);
+ return rv;
+);
+
+SYSCALL1(Syscall_WaitEvent, "i", int,
+ return Threads_WaitEvents(a0);
+);
+
const tSyscallHandler caSyscalls[] = {
Syscall_Null,
Syscall_Exit,
Syscall_SetUID,
Syscall_SetGID,
+ Syscall_GetTID,
+ Syscall_GetPID,
+ Syscall_GetUID,
+ Syscall_GetGID,
+
Syscall_Sleep,
- Syscall_Fork,
+ Syscall_AN_Fork,
+ Syscall_AN_Spawn,
- NULL,
- NULL,
- Syscall_select
+ Syscall_SendMessage,
+ Syscall_GetMessage,
+ Syscall_select,
+ Syscall_WaitEvent
};
const int ciNumSyscalls = sizeof(caSyscalls)/sizeof(caSyscalls[0]);
/**
int argListLen = 0;
int i, retVal;
tRequestHeader *ret;
- int retValueCount = 1;
- int retDataLen = sizeof(Uint64);
+ int retValueCount;
+ int retDataLen;
void *returnData[Request->NParams];
int argSizes[Request->NParams];
Uint ret_errno = 0;
+ // Clear errno (Acess verson) at the start of the request
+ errno = 0;
+
// Sanity check
if( Request->CallID >= ciNumSyscalls ) {
Log_Notice("Syscalls", "Unknown syscall number %i", Request->CallID);
Log_Notice("Syscalls", "Unimplemented syscall %i", Request->CallID);
return NULL;
}
-
+
+ // Init return count/size
+ retValueCount = 2;
+ retDataLen = sizeof(Uint64) + sizeof(Uint32);
+
// Get size of argument list
for( i = 0; i < Request->NParams; i ++ )
{
case ARG_TYPE_DATA:
formatString[i] = 'd';
argListLen += sizeof(void*);
+ // Prepare the return values
+ if( Request->Params[i].Flags & ARG_FLAG_RETURN )
+ {
+ retDataLen += Request->Params[i].Length;
+ retValueCount ++;
+ }
break;
case ARG_TYPE_STRING:
formatString[i] = 's';
argListLen += sizeof(char*);
break;
default:
+ Log_Error("Syscalls", "Unknown param type %i", Request->Params[i].Type);
return NULL; // ERROR!
}
}
case ARG_TYPE_VOID:
break;
case ARG_TYPE_INT32:
- LOG("%i INT32: 0x%x", i, *(Uint32*)inData);
+ //LOG("%i INT32: 0x%x", i, *(Uint32*)inData);
*(Uint32*)&argListData[argListLen] = *(Uint32*)inData;
argListLen += sizeof(Uint32);
inData += sizeof(Uint32);
break;
case ARG_TYPE_INT64:
- LOG("%i INT64: 0x%llx", i, *(Uint64*)inData);
+ //LOG("%i INT64: 0x%llx", i, *(Uint64*)inData);
*(Uint64*)&argListData[argListLen] = *(Uint64*)inData;
argListLen += sizeof(Uint64);
inData += sizeof(Uint64);
break;
case ARG_TYPE_STRING:
- LOG("%i STR: '%s'", i, (char*)inData);
+ //LOG("%i STR: '%s'", i, (char*)inData);
*(char**)&argListData[argListLen] = (char*)inData;
argListLen += sizeof(void*);
inData += Request->Params[i].Length;
// Data gets special handling, because only it can be returned to the user
// (ARG_TYPE_DATA is a pointer)
case ARG_TYPE_DATA:
- // Prepare the return values
- if( Request->Params[i].Flags & ARG_FLAG_RETURN )
+ // Check for non-resident data
+ if( Request->Params[i].Length == 0 )
{
- retDataLen += Request->Params[i].Length;
- retValueCount ++;
+ returnData[i] = NULL;
+ *(void**)&argListData[argListLen] = NULL;
+ argListLen += sizeof(void*);
}
-
- // Check for non-resident data
- if( Request->Params[i].Flags & ARG_FLAG_ZEROED )
+ else if( Request->Params[i].Flags & ARG_FLAG_ZEROED )
{
// Allocate and zero the buffer
returnData[i] = calloc(1, Request->Params[i].Length);
- LOG("%i ZDAT: %i %p", i,
- Request->Params[i].Length, returnData[i]);
+ //LOG("%i ZDAT: %i %p", i,
+ // Request->Params[i].Length, returnData[i]);
*(void**)&argListData[argListLen] = returnData[i];
argListLen += sizeof(void*);
}
else
{
returnData[i] = (void*)inData;
- LOG("%i DATA: %i %p", i,
- Request->Params[i].Length, returnData[i]);
+ //LOG("%i DATA: %i %p", i,
+ // Request->Params[i].Length, returnData[i]);
*(void**)&argListData[argListLen] = (void*)inData;
argListLen += sizeof(void*);
inData += Request->Params[i].Length;
}
}
+ // --- Perform request
retVal = caSyscalls[Request->CallID](&ret_errno, formatString, argListData, argSizes);
}
+ // ---------- Return
+
+ if( ret_errno == 0 && errno != 0 ) {
+ ret_errno = errno;
+ LOG("errno = %i", errno);
+ }
+
// Allocate the return
- ret = malloc(sizeof(tRequestHeader) + retValueCount * sizeof(tRequestValue)
- + retDataLen);
+ size_t msglen = sizeof(tRequestHeader) + retValueCount * sizeof(tRequestValue) + retDataLen;
+ ret = malloc(msglen);
ret->ClientID = Request->ClientID;
ret->CallID = Request->CallID;
ret->NParams = retValueCount;
+ ret->MessageLength = msglen;
inData = (char*)&ret->Params[ ret->NParams ];
// Static Uint64 return value
*(Uint64*)inData = retVal;
inData += sizeof(Uint64);
- Log_Debug("Syscalls", "Return 0x%llx", retVal);
+ // Static Uint32 errno value
+ ret->Params[1].Type = ARG_TYPE_INT32;
+ ret->Params[1].Flags = 0;
+ ret->Params[1].Length = sizeof(Uint32);
+ *(Uint32*)inData = ret_errno;
+ inData += sizeof(Uint32);
+
+ LOG("Ret: %llx, errno=%i", retVal, ret_errno);
+
+ //Log_Debug("Syscalls", "Return 0x%llx", retVal);
- retValueCount = 1;
+ retValueCount = 2;
for( i = 0; i < Request->NParams; i ++ )
{
if( Request->Params[i].Type != ARG_TYPE_DATA ) continue;
ret->Params[retValueCount].Flags = 0;
ret->Params[retValueCount].Length = Request->Params[i].Length;
- LOG("Syscalls", "Ret %i: Type %i, Len %i",
+ LOG("Ret %i: Type %i, Len %i",
i, Request->Params[i].Type, Request->Params[i].Length);
memcpy(inData, returnData[i], Request->Params[i].Length);
retValueCount ++;
}
- *ReturnLength = sizeof(tRequestHeader)
- + retValueCount * sizeof(tRequestValue)
- + retDataLen;
+ *ReturnLength = ret->MessageLength;
return ret;
}