1 /* Return codes: 1 - ok, 0 - ignore, other - error. */ 2 static int arch_get_scno(struct tcb * tcp)3arch_get_scno(struct tcb *tcp) 4 { 5 tcp->scno = ppc_regs.gpr[0]; 6 /* 7 * Check for 64/32 bit mode. 8 * Embedded implementations covered by Book E extension of PPC use 9 * bit 0 (CM) of 32-bit Machine state register (MSR). 10 * Other implementations use bit 0 (SF) of 64-bit MSR. 11 */ 12 unsigned int currpers = (ppc_regs.msr & 0x8000000080000000) ? 0 : 1; 13 update_personality(tcp, currpers); 14 return 1; 15 } 16