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8#ifndef __ASM_MACH_PARAVIRT_KERNEL_ENTRY_H
9#define __ASM_MACH_PARAVIRT_KERNEL_ENTRY_H
10
11#define CP0_EBASE $15, 1
12
13 .macro kernel_entry_setup
14#ifdef CONFIG_SMP
15 mfc0 t0, CP0_EBASE
16 andi t0, t0, 0x3ff # CPUNum
17 beqz t0, 1f
18 # CPUs other than zero goto smp_bootstrap
19 j smp_bootstrap
20#endif
21
221:
23 .endm
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28
29 .macro smp_slave_setup
30 mfc0 t0, CP0_EBASE
31 andi t0, t0, 0x3ff # CPUNum
32 slti t1, t0, NR_CPUS
33 bnez t1, 1f
342:
35 di
36 wait
37 b 2b # Unknown CPU, loop forever.
381:
39 PTR_LA t1, paravirt_smp_sp
40 PTR_SLL t0, PTR_SCALESHIFT
41 PTR_ADDU t1, t1, t0
423:
43 PTR_L sp, 0(t1)
44 beqz sp, 3b # Spin until told to proceed.
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46 PTR_LA t1, paravirt_smp_gp
47 PTR_ADDU t1, t1, t0
48 sync
49 PTR_L gp, 0(t1)
50 .endm
51
52#endif
53