X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Farmv7%2Fproc.c;h=b5a867cfca71a3a8536fe38bebb247798fe5648b;hb=1baac59e0cea8985a60093e7415a1796bad138ae;hp=605b156c045d6efa397f99bd2e6af5fa05046a3c;hpb=c2bba6e776701404229ef2bebe10c8dc9046b026;p=tpg%2Facess2.git diff --git a/Kernel/arch/armv7/proc.c b/Kernel/arch/armv7/proc.c index 605b156c..b5a867cf 100644 --- a/Kernel/arch/armv7/proc.c +++ b/Kernel/arch/armv7/proc.c @@ -13,7 +13,7 @@ extern tThread gThreadZero; extern void SwitchTask(Uint32 NewSP, Uint32 *OldSP, Uint32 NewIP, Uint32 *OldIP, Uint32 MemPtr); extern void KernelThreadHeader(void); // Actually takes args on stack -extern void Proc_int_DropToUser(Uint32 IP, Uint32 SP) NORETURN; +extern void Proc_int_DropToUser(Uint32 IP, Uint32 SP) NORETURN __attribute__((long_call)); extern Uint32 Proc_int_SwapUserSP(Uint32 NewSP); extern Uint32 Proc_CloneInt(Uint32 *SP, Uint32 *MemPtr); extern tVAddr MM_NewKStack(int bGlobal); // TODO: Move out into a header @@ -68,8 +68,8 @@ void Proc_StartUser(Uint Entrypoint, Uint Base, int ArgC, char **ArgV, int DataS char **envp; tVAddr delta; - Log_Debug("Proc", "Proc_StartUser: (Entrypoint=%p, Base=%p, ArgC=%i, ArgV=%p, DataSize=0x%x)", - Entrypoint, Base, ArgC, ArgV, DataSize); +// Log_Debug("Proc", "Proc_StartUser: (Entrypoint=%p, Base=%p, ArgC=%i, ArgV=%p, DataSize=0x%x)", +// Entrypoint, Base, ArgC, ArgV, DataSize); // Write data to the user's stack usr_sp = (void*)MM_NewUserStack(); @@ -79,12 +79,10 @@ void Proc_StartUser(Uint Entrypoint, Uint Base, int ArgC, char **ArgV, int DataS // Adjust user's copy of the arguments delta = (tVAddr)usr_sp - (tVAddr)ArgV; - Log("delta = %x", delta); ArgV = (void*)usr_sp; for(i = 0; ArgV[i]; i ++) ArgV[i] += delta; envp = &ArgV[i+1]; for(i = 0; envp[i]; i ++) envp[i] += delta; - Log("envp = %p", envp); *--usr_sp = (Uint32)envp; *--usr_sp = (Uint32)ArgV; @@ -93,12 +91,12 @@ void Proc_StartUser(Uint Entrypoint, Uint Base, int ArgC, char **ArgV, int DataS // Drop to user code Log_Debug("Proc", "Proc_int_DropToUser(%p, %p)", Entrypoint, usr_sp); + Proc_int_DropToUser(Entrypoint, (Uint32)usr_sp); +} - // Needed to get around relocation truncation - { - void (*drop)(Uint32, Uint32) NORETURN = Proc_int_DropToUser; - drop(Entrypoint, (Uint32)usr_sp); - } +void Proc_ClearThread(tThread *Thread) +{ + Log_Warning("Proc", "TODO: Nuke address space etc"); } tTID Proc_Clone(Uint Flags)