git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 3d5ae6b6 DM |
1 | #ifndef _ENTRY_H |
| 2 | #define _ENTRY_H | |
| 3 | ||
| bfdf9ebc | 4 | #include <linux/kernel.h> |
| 99cd2201 | 5 | #include <linux/types.h> |
| bfdf9ebc | 6 | #include <linux/init.h> |
| 3d5ae6b6 | 7 | |
| 81265fd9 SR |
8 | /* irq */ |
| 9 | extern void handler_irq(int irq, struct pt_regs *regs); | |
| 10 | ||
| 8d74e32a SR |
11 | #ifdef CONFIG_SPARC32 |
| 12 | /* traps */ | |
| 13 | extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type); | |
| 14 | extern void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, | |
| 15 | unsigned long npc, unsigned long psr); | |
| 16 | ||
| 17 | extern void do_priv_instruction(struct pt_regs *regs, unsigned long pc, | |
| 18 | unsigned long npc, unsigned long psr); | |
| 19 | extern void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc, | |
| 20 | unsigned long npc, | |
| 21 | unsigned long psr); | |
| 22 | extern void do_fpd_trap(struct pt_regs *regs, unsigned long pc, | |
| 23 | unsigned long npc, unsigned long psr); | |
| 24 | extern void do_fpe_trap(struct pt_regs *regs, unsigned long pc, | |
| 25 | unsigned long npc, unsigned long psr); | |
| 26 | extern void handle_tag_overflow(struct pt_regs *regs, unsigned long pc, | |
| 27 | unsigned long npc, unsigned long psr); | |
| 28 | extern void handle_watchpoint(struct pt_regs *regs, unsigned long pc, | |
| 29 | unsigned long npc, unsigned long psr); | |
| 30 | extern void handle_reg_access(struct pt_regs *regs, unsigned long pc, | |
| 31 | unsigned long npc, unsigned long psr); | |
| 32 | extern void handle_cp_disabled(struct pt_regs *regs, unsigned long pc, | |
| 33 | unsigned long npc, unsigned long psr); | |
| 34 | extern void handle_cp_exception(struct pt_regs *regs, unsigned long pc, | |
| 35 | unsigned long npc, unsigned long psr); | |
| 36 | ||
| 37 | ||
| 38 | ||
| 39 | /* entry.S */ | |
| 40 | extern void fpsave(unsigned long *fpregs, unsigned long *fsr, | |
| 41 | void *fpqueue, unsigned long *fpqdepth); | |
| 42 | extern void fpload(unsigned long *fpregs, unsigned long *fsr); | |
| 43 | ||
| 44 | #else /* CONFIG_SPARC32 */ | |
| 3d5ae6b6 DM |
45 | extern void __init per_cpu_patch(void); |
| 46 | extern void __init sun4v_patch(void); | |
| 47 | extern void __init boot_cpu_id_too_large(int cpu); | |
| 48 | extern unsigned int dcache_parity_tl1_occurred; | |
| 49 | extern unsigned int icache_parity_tl1_occurred; | |
| 50 | ||
| 207ddd0a | 51 | extern asmlinkage void sparc_breakpoint(struct pt_regs *regs); |
| cf3d7c1e DM |
52 | extern void timer_interrupt(int irq, struct pt_regs *regs); |
| 53 | ||
| 062ea6d3 DM |
54 | extern void do_notify_resume(struct pt_regs *regs, |
| 55 | unsigned long orig_i0, | |
| 062ea6d3 DM |
56 | unsigned long thread_info_flags); |
| 57 | ||
| fe06ccaa DM |
58 | extern asmlinkage int syscall_trace_enter(struct pt_regs *regs); |
| 59 | extern asmlinkage void syscall_trace_leave(struct pt_regs *regs); | |
| bfdf9ebc | 60 | |
| 99cd2201 DM |
61 | extern void bad_trap_tl1(struct pt_regs *regs, long lvl); |
| 62 | ||
| 63 | extern void do_fpe_common(struct pt_regs *regs); | |
| 64 | extern void do_fpieee(struct pt_regs *regs); | |
| 65 | extern void do_fpother(struct pt_regs *regs); | |
| 66 | extern void do_tof(struct pt_regs *regs); | |
| 67 | extern void do_div0(struct pt_regs *regs); | |
| 68 | extern void do_illegal_instruction(struct pt_regs *regs); | |
| 69 | extern void mem_address_unaligned(struct pt_regs *regs, | |
| 70 | unsigned long sfar, | |
| 71 | unsigned long sfsr); | |
| 72 | extern void sun4v_do_mna(struct pt_regs *regs, | |
| 73 | unsigned long addr, | |
| 74 | unsigned long type_ctx); | |
| 75 | extern void do_privop(struct pt_regs *regs); | |
| 76 | extern void do_privact(struct pt_regs *regs); | |
| 77 | extern void do_cee(struct pt_regs *regs); | |
| 78 | extern void do_cee_tl1(struct pt_regs *regs); | |
| 79 | extern void do_dae_tl1(struct pt_regs *regs); | |
| 80 | extern void do_iae_tl1(struct pt_regs *regs); | |
| 81 | extern void do_div0_tl1(struct pt_regs *regs); | |
| 82 | extern void do_fpdis_tl1(struct pt_regs *regs); | |
| 83 | extern void do_fpieee_tl1(struct pt_regs *regs); | |
| 84 | extern void do_fpother_tl1(struct pt_regs *regs); | |
| 85 | extern void do_ill_tl1(struct pt_regs *regs); | |
| 86 | extern void do_irq_tl1(struct pt_regs *regs); | |
| 87 | extern void do_lddfmna_tl1(struct pt_regs *regs); | |
| 88 | extern void do_stdfmna_tl1(struct pt_regs *regs); | |
| 89 | extern void do_paw(struct pt_regs *regs); | |
| 90 | extern void do_paw_tl1(struct pt_regs *regs); | |
| 91 | extern void do_vaw(struct pt_regs *regs); | |
| 92 | extern void do_vaw_tl1(struct pt_regs *regs); | |
| 93 | extern void do_tof_tl1(struct pt_regs *regs); | |
| 94 | extern void do_getpsr(struct pt_regs *regs); | |
| 95 | ||
| 96 | extern void spitfire_insn_access_exception(struct pt_regs *regs, | |
| 97 | unsigned long sfsr, | |
| 98 | unsigned long sfar); | |
| 99 | extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs, | |
| 100 | unsigned long sfsr, | |
| 101 | unsigned long sfar); | |
| 102 | extern void spitfire_data_access_exception(struct pt_regs *regs, | |
| 103 | unsigned long sfsr, | |
| 104 | unsigned long sfar); | |
| 105 | extern void spitfire_data_access_exception_tl1(struct pt_regs *regs, | |
| 106 | unsigned long sfsr, | |
| 107 | unsigned long sfar); | |
| 108 | extern void spitfire_access_error(struct pt_regs *regs, | |
| 109 | unsigned long status_encoded, | |
| 110 | unsigned long afar); | |
| 111 | ||
| 112 | extern void cheetah_fecc_handler(struct pt_regs *regs, | |
| 113 | unsigned long afsr, | |
| 114 | unsigned long afar); | |
| 115 | extern void cheetah_cee_handler(struct pt_regs *regs, | |
| 116 | unsigned long afsr, | |
| 117 | unsigned long afar); | |
| 118 | extern void cheetah_deferred_handler(struct pt_regs *regs, | |
| 119 | unsigned long afsr, | |
| 120 | unsigned long afar); | |
| 121 | extern void cheetah_plus_parity_error(int type, struct pt_regs *regs); | |
| 122 | ||
| 123 | extern void sun4v_insn_access_exception(struct pt_regs *regs, | |
| 124 | unsigned long addr, | |
| 125 | unsigned long type_ctx); | |
| 126 | extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs, | |
| 127 | unsigned long addr, | |
| 128 | unsigned long type_ctx); | |
| 129 | extern void sun4v_data_access_exception(struct pt_regs *regs, | |
| 130 | unsigned long addr, | |
| 131 | unsigned long type_ctx); | |
| 132 | extern void sun4v_data_access_exception_tl1(struct pt_regs *regs, | |
| 133 | unsigned long addr, | |
| 134 | unsigned long type_ctx); | |
| 135 | extern void sun4v_resum_error(struct pt_regs *regs, | |
| 136 | unsigned long offset); | |
| 137 | extern void sun4v_resum_overflow(struct pt_regs *regs); | |
| 138 | extern void sun4v_nonresum_error(struct pt_regs *regs, | |
| 139 | unsigned long offset); | |
| 140 | extern void sun4v_nonresum_overflow(struct pt_regs *regs); | |
| 141 | ||
| 142 | extern unsigned long sun4v_err_itlb_vaddr; | |
| 143 | extern unsigned long sun4v_err_itlb_ctx; | |
| 144 | extern unsigned long sun4v_err_itlb_pte; | |
| 145 | extern unsigned long sun4v_err_itlb_error; | |
| 146 | ||
| 147 | extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl); | |
| 148 | ||
| 149 | extern unsigned long sun4v_err_dtlb_vaddr; | |
| 150 | extern unsigned long sun4v_err_dtlb_ctx; | |
| 151 | extern unsigned long sun4v_err_dtlb_pte; | |
| 152 | extern unsigned long sun4v_err_dtlb_error; | |
| 153 | ||
| 154 | extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl); | |
| 155 | extern void hypervisor_tlbop_error(unsigned long err, | |
| 156 | unsigned long op); | |
| 157 | extern void hypervisor_tlbop_error_xcall(unsigned long err, | |
| 158 | unsigned long op); | |
| 159 | ||
| 160 | /* WARNING: The error trap handlers in assembly know the precise | |
| 161 | * layout of the following structure. | |
| 162 | * | |
| 163 | * C-level handlers in traps.c use this information to log the | |
| 164 | * error and then determine how to recover (if possible). | |
| 165 | */ | |
| 166 | struct cheetah_err_info { | |
| 167 | /*0x00*/u64 afsr; | |
| 168 | /*0x08*/u64 afar; | |
| 169 | ||
| 170 | /* D-cache state */ | |
| 171 | /*0x10*/u64 dcache_data[4]; /* The actual data */ | |
| 172 | /*0x30*/u64 dcache_index; /* D-cache index */ | |
| 173 | /*0x38*/u64 dcache_tag; /* D-cache tag/valid */ | |
| 174 | /*0x40*/u64 dcache_utag; /* D-cache microtag */ | |
| 175 | /*0x48*/u64 dcache_stag; /* D-cache snooptag */ | |
| 176 | ||
| 177 | /* I-cache state */ | |
| 178 | /*0x50*/u64 icache_data[8]; /* The actual insns + predecode */ | |
| 179 | /*0x90*/u64 icache_index; /* I-cache index */ | |
| 180 | /*0x98*/u64 icache_tag; /* I-cache phys tag */ | |
| 181 | /*0xa0*/u64 icache_utag; /* I-cache microtag */ | |
| 182 | /*0xa8*/u64 icache_stag; /* I-cache snooptag */ | |
| 183 | /*0xb0*/u64 icache_upper; /* I-cache upper-tag */ | |
| 184 | /*0xb8*/u64 icache_lower; /* I-cache lower-tag */ | |
| 185 | ||
| 186 | /* E-cache state */ | |
| 187 | /*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */ | |
| 188 | /*0xe0*/u64 ecache_index; /* E-cache index */ | |
| 189 | /*0xe8*/u64 ecache_tag; /* E-cache tag/state */ | |
| 190 | ||
| 191 | /*0xf0*/u64 __pad[32 - 30]; | |
| 192 | }; | |
| 193 | #define CHAFSR_INVALID ((u64)-1L) | |
| 194 | ||
| 195 | /* This is allocated at boot time based upon the largest hardware | |
| 196 | * cpu ID in the system. We allocate two entries per cpu, one for | |
| 197 | * TL==0 logging and one for TL >= 1 logging. | |
| 198 | */ | |
| 199 | extern struct cheetah_err_info *cheetah_error_log; | |
| 200 | ||
| d91aa123 DM |
201 | /* UPA nodes send interrupt packet to UltraSparc with first data reg |
| 202 | * value low 5 (7 on Starfire) bits holding the IRQ identifier being | |
| 203 | * delivered. We must translate this into a non-vector IRQ so we can | |
| 204 | * set the softint on this cpu. | |
| 205 | * | |
| 206 | * To make processing these packets efficient and race free we use | |
| 207 | * an array of irq buckets below. The interrupt vector handler in | |
| 208 | * entry.S feeds incoming packets into per-cpu pil-indexed lists. | |
| 209 | * | |
| 210 | * If you make changes to ino_bucket, please update hand coded assembler | |
| 211 | * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S | |
| 212 | */ | |
| 213 | struct ino_bucket { | |
| 214 | /*0x00*/unsigned long __irq_chain_pa; | |
| 215 | ||
| 216 | /* Virtual interrupt number assigned to this INO. */ | |
| 217 | /*0x08*/unsigned int __virt_irq; | |
| 218 | /*0x0c*/unsigned int __pad; | |
| 219 | }; | |
| 220 | ||
| 221 | extern struct ino_bucket *ivector_table; | |
| 222 | extern unsigned long ivector_table_pa; | |
| 223 | ||
| d91aa123 DM |
224 | extern void init_irqwork_curcpu(void); |
| 225 | extern void __cpuinit sun4v_register_mondo_queues(int this_cpu); | |
| 226 | ||
| 8d74e32a | 227 | #endif /* CONFIG_SPARC32 */ |
| 3d5ae6b6 | 228 | #endif /* _ENTRY_H */ |