mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 15:13:55 +08:00
0b64120cce
Some of the sun4v code patching occurs in inline functions visible to, and usable by, modules. Therefore we have to patch them up during module load. Signed-off-by: David S. Miller <davem@davemloft.net>
250 lines
9.3 KiB
C
250 lines
9.3 KiB
C
#ifndef _ENTRY_H
|
|
#define _ENTRY_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
|
|
/* irq */
|
|
extern void handler_irq(int irq, struct pt_regs *regs);
|
|
|
|
#ifdef CONFIG_SPARC32
|
|
/* traps */
|
|
extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
|
|
extern void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
|
|
extern void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
extern void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc,
|
|
unsigned long psr);
|
|
extern void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
extern void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
extern void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
extern void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
extern void handle_reg_access(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
extern void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
extern void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
|
|
unsigned long npc, unsigned long psr);
|
|
|
|
|
|
|
|
/* entry.S */
|
|
extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
|
|
void *fpqueue, unsigned long *fpqdepth);
|
|
extern void fpload(unsigned long *fpregs, unsigned long *fsr);
|
|
|
|
#else /* CONFIG_SPARC32 */
|
|
|
|
#include <asm/trap_block.h>
|
|
|
|
struct popc_3insn_patch_entry {
|
|
unsigned int addr;
|
|
unsigned int insns[3];
|
|
};
|
|
extern struct popc_3insn_patch_entry __popc_3insn_patch,
|
|
__popc_3insn_patch_end;
|
|
|
|
struct popc_6insn_patch_entry {
|
|
unsigned int addr;
|
|
unsigned int insns[6];
|
|
};
|
|
extern struct popc_6insn_patch_entry __popc_6insn_patch,
|
|
__popc_6insn_patch_end;
|
|
|
|
extern void __init per_cpu_patch(void);
|
|
extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
|
|
struct sun4v_1insn_patch_entry *);
|
|
extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
|
|
struct sun4v_2insn_patch_entry *);
|
|
extern void __init sun4v_patch(void);
|
|
extern void __init boot_cpu_id_too_large(int cpu);
|
|
extern unsigned int dcache_parity_tl1_occurred;
|
|
extern unsigned int icache_parity_tl1_occurred;
|
|
|
|
extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
|
|
extern void timer_interrupt(int irq, struct pt_regs *regs);
|
|
|
|
extern void do_notify_resume(struct pt_regs *regs,
|
|
unsigned long orig_i0,
|
|
unsigned long thread_info_flags);
|
|
|
|
extern asmlinkage int syscall_trace_enter(struct pt_regs *regs);
|
|
extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
|
|
|
|
extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
|
|
|
|
extern void do_fpe_common(struct pt_regs *regs);
|
|
extern void do_fpieee(struct pt_regs *regs);
|
|
extern void do_fpother(struct pt_regs *regs);
|
|
extern void do_tof(struct pt_regs *regs);
|
|
extern void do_div0(struct pt_regs *regs);
|
|
extern void do_illegal_instruction(struct pt_regs *regs);
|
|
extern void mem_address_unaligned(struct pt_regs *regs,
|
|
unsigned long sfar,
|
|
unsigned long sfsr);
|
|
extern void sun4v_do_mna(struct pt_regs *regs,
|
|
unsigned long addr,
|
|
unsigned long type_ctx);
|
|
extern void do_privop(struct pt_regs *regs);
|
|
extern void do_privact(struct pt_regs *regs);
|
|
extern void do_cee(struct pt_regs *regs);
|
|
extern void do_cee_tl1(struct pt_regs *regs);
|
|
extern void do_dae_tl1(struct pt_regs *regs);
|
|
extern void do_iae_tl1(struct pt_regs *regs);
|
|
extern void do_div0_tl1(struct pt_regs *regs);
|
|
extern void do_fpdis_tl1(struct pt_regs *regs);
|
|
extern void do_fpieee_tl1(struct pt_regs *regs);
|
|
extern void do_fpother_tl1(struct pt_regs *regs);
|
|
extern void do_ill_tl1(struct pt_regs *regs);
|
|
extern void do_irq_tl1(struct pt_regs *regs);
|
|
extern void do_lddfmna_tl1(struct pt_regs *regs);
|
|
extern void do_stdfmna_tl1(struct pt_regs *regs);
|
|
extern void do_paw(struct pt_regs *regs);
|
|
extern void do_paw_tl1(struct pt_regs *regs);
|
|
extern void do_vaw(struct pt_regs *regs);
|
|
extern void do_vaw_tl1(struct pt_regs *regs);
|
|
extern void do_tof_tl1(struct pt_regs *regs);
|
|
extern void do_getpsr(struct pt_regs *regs);
|
|
|
|
extern void spitfire_insn_access_exception(struct pt_regs *regs,
|
|
unsigned long sfsr,
|
|
unsigned long sfar);
|
|
extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
|
|
unsigned long sfsr,
|
|
unsigned long sfar);
|
|
extern void spitfire_data_access_exception(struct pt_regs *regs,
|
|
unsigned long sfsr,
|
|
unsigned long sfar);
|
|
extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
|
|
unsigned long sfsr,
|
|
unsigned long sfar);
|
|
extern void spitfire_access_error(struct pt_regs *regs,
|
|
unsigned long status_encoded,
|
|
unsigned long afar);
|
|
|
|
extern void cheetah_fecc_handler(struct pt_regs *regs,
|
|
unsigned long afsr,
|
|
unsigned long afar);
|
|
extern void cheetah_cee_handler(struct pt_regs *regs,
|
|
unsigned long afsr,
|
|
unsigned long afar);
|
|
extern void cheetah_deferred_handler(struct pt_regs *regs,
|
|
unsigned long afsr,
|
|
unsigned long afar);
|
|
extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
|
|
|
|
extern void sun4v_insn_access_exception(struct pt_regs *regs,
|
|
unsigned long addr,
|
|
unsigned long type_ctx);
|
|
extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
|
|
unsigned long addr,
|
|
unsigned long type_ctx);
|
|
extern void sun4v_data_access_exception(struct pt_regs *regs,
|
|
unsigned long addr,
|
|
unsigned long type_ctx);
|
|
extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
|
|
unsigned long addr,
|
|
unsigned long type_ctx);
|
|
extern void sun4v_resum_error(struct pt_regs *regs,
|
|
unsigned long offset);
|
|
extern void sun4v_resum_overflow(struct pt_regs *regs);
|
|
extern void sun4v_nonresum_error(struct pt_regs *regs,
|
|
unsigned long offset);
|
|
extern void sun4v_nonresum_overflow(struct pt_regs *regs);
|
|
|
|
extern unsigned long sun4v_err_itlb_vaddr;
|
|
extern unsigned long sun4v_err_itlb_ctx;
|
|
extern unsigned long sun4v_err_itlb_pte;
|
|
extern unsigned long sun4v_err_itlb_error;
|
|
|
|
extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
|
|
|
|
extern unsigned long sun4v_err_dtlb_vaddr;
|
|
extern unsigned long sun4v_err_dtlb_ctx;
|
|
extern unsigned long sun4v_err_dtlb_pte;
|
|
extern unsigned long sun4v_err_dtlb_error;
|
|
|
|
extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
|
|
extern void hypervisor_tlbop_error(unsigned long err,
|
|
unsigned long op);
|
|
extern void hypervisor_tlbop_error_xcall(unsigned long err,
|
|
unsigned long op);
|
|
|
|
/* WARNING: The error trap handlers in assembly know the precise
|
|
* layout of the following structure.
|
|
*
|
|
* C-level handlers in traps.c use this information to log the
|
|
* error and then determine how to recover (if possible).
|
|
*/
|
|
struct cheetah_err_info {
|
|
/*0x00*/u64 afsr;
|
|
/*0x08*/u64 afar;
|
|
|
|
/* D-cache state */
|
|
/*0x10*/u64 dcache_data[4]; /* The actual data */
|
|
/*0x30*/u64 dcache_index; /* D-cache index */
|
|
/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
|
|
/*0x40*/u64 dcache_utag; /* D-cache microtag */
|
|
/*0x48*/u64 dcache_stag; /* D-cache snooptag */
|
|
|
|
/* I-cache state */
|
|
/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
|
|
/*0x90*/u64 icache_index; /* I-cache index */
|
|
/*0x98*/u64 icache_tag; /* I-cache phys tag */
|
|
/*0xa0*/u64 icache_utag; /* I-cache microtag */
|
|
/*0xa8*/u64 icache_stag; /* I-cache snooptag */
|
|
/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
|
|
/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
|
|
|
|
/* E-cache state */
|
|
/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
|
|
/*0xe0*/u64 ecache_index; /* E-cache index */
|
|
/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
|
|
|
|
/*0xf0*/u64 __pad[32 - 30];
|
|
};
|
|
#define CHAFSR_INVALID ((u64)-1L)
|
|
|
|
/* This is allocated at boot time based upon the largest hardware
|
|
* cpu ID in the system. We allocate two entries per cpu, one for
|
|
* TL==0 logging and one for TL >= 1 logging.
|
|
*/
|
|
extern struct cheetah_err_info *cheetah_error_log;
|
|
|
|
/* UPA nodes send interrupt packet to UltraSparc with first data reg
|
|
* value low 5 (7 on Starfire) bits holding the IRQ identifier being
|
|
* delivered. We must translate this into a non-vector IRQ so we can
|
|
* set the softint on this cpu.
|
|
*
|
|
* To make processing these packets efficient and race free we use
|
|
* an array of irq buckets below. The interrupt vector handler in
|
|
* entry.S feeds incoming packets into per-cpu pil-indexed lists.
|
|
*
|
|
* If you make changes to ino_bucket, please update hand coded assembler
|
|
* of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
|
|
*/
|
|
struct ino_bucket {
|
|
/*0x00*/unsigned long __irq_chain_pa;
|
|
|
|
/* Interrupt number assigned to this INO. */
|
|
/*0x08*/unsigned int __irq;
|
|
/*0x0c*/unsigned int __pad;
|
|
};
|
|
|
|
extern struct ino_bucket *ivector_table;
|
|
extern unsigned long ivector_table_pa;
|
|
|
|
extern void init_irqwork_curcpu(void);
|
|
extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
|
|
|
|
#endif /* CONFIG_SPARC32 */
|
|
#endif /* _ENTRY_H */
|