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Commit 1e208ae7 authored by Helge Deller's avatar Helge Deller
Browse files

parisc: Drop definition of start_thread_som for HP-UX SOM binaries 



The definition of start_thread_som was planned to be used to execute
HP-UX SOM binaries. Since HP-UX compatibility was dropped with kernel 4.0
there is no need to carry it further.

Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent 2b3f3445

arch/parisc/include/asm/processor.h

+0 −27
Original line number Diff line number Diff line
@@ -192,33 +192,6 @@ void show_trace(struct task_struct *task, unsigned long *stack); 
 */

typedef unsigned int elf_caddr_t;



#define start_thread_som(regs, new_pc, new_sp) do {	\

	unsigned long *sp = (unsigned long *)new_sp;	\

	__u32 spaceid = (__u32)current->mm->context;	\

	unsigned long pc = (unsigned long)new_pc;	\

	/* offset pc for priv. level */			\

	pc |= 3;					\

							\

	regs->iasq[0] = spaceid;			\

	regs->iasq[1] = spaceid;			\

	regs->iaoq[0] = pc;				\

	regs->iaoq[1] = pc + 4;                         \

	regs->sr[2] = LINUX_GATEWAY_SPACE;              \

	regs->sr[3] = 0xffff;				\

	regs->sr[4] = spaceid;				\

	regs->sr[5] = spaceid;				\

	regs->sr[6] = spaceid;				\

	regs->sr[7] = spaceid;				\

	regs->gr[ 0] = USER_PSW;                        \

	regs->gr[30] = ((new_sp)+63)&~63;		\

	regs->gr[31] = pc;				\

							\

	get_user(regs->gr[26],&sp[0]);			\

	get_user(regs->gr[25],&sp[-1]); 		\

	get_user(regs->gr[24],&sp[-2]); 		\

	get_user(regs->gr[23],&sp[-3]); 		\

} while(0)



/* The ELF abi wants things done a "wee bit" differently than

 * som does.  Supporting this behavior here avoids

 * having our own version of create_elf_tables.