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kernel
os
linux
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: Helge Deller <deller@gmx.de>
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arch/parisc/include/asm/processor.h
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arch/parisc/include/asm/processor.h
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*/
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typedef unsigned int elf_caddr_t;
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#define start_thread_som(regs, new_pc, new_sp) do { \
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unsigned long *sp = (unsigned long *)new_sp; \
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__u32 spaceid = (__u32)current->mm->context; \
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unsigned long pc = (unsigned long)new_pc; \
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/* offset pc for priv. level */ \
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pc |= 3; \
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\
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regs->iasq[0] = spaceid; \
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regs->iasq[1] = spaceid; \
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regs->iaoq[0] = pc; \
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regs->iaoq[1] = pc + 4; \
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regs->sr[2] = LINUX_GATEWAY_SPACE; \
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regs->sr[3] = 0xffff; \
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regs->sr[4] = spaceid; \
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regs->sr[5] = spaceid; \
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regs->sr[6] = spaceid; \
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regs->sr[7] = spaceid; \
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regs->gr[ 0] = USER_PSW; \
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regs->gr[30] = ((new_sp)+63)&~63; \
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regs->gr[31] = pc; \
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\
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get_user(regs->gr[26],&sp[0]); \
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get_user(regs->gr[25],&sp[-1]); \
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get_user(regs->gr[24],&sp[-2]); \
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get_user(regs->gr[23],&sp[-3]); \
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} while(0)
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/* The ELF abi wants things done a "wee bit" differently than
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* som does. Supporting this behavior here avoids
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* having our own version of create_elf_tables.