booke.h 3.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. *
  4. * Copyright IBM Corp. 2008
  5. *
  6. * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  7. */
  8. #ifndef __KVM_BOOKE_H__
  9. #define __KVM_BOOKE_H__
  10. #include <linux/types.h>
  11. #include <linux/kvm_host.h>
  12. #include <asm/kvm_ppc.h>
  13. #include <asm/switch_to.h>
  14. #include "timing.h"
  15. /* interrupt priortity ordering */
  16. #define BOOKE_IRQPRIO_DATA_STORAGE 0
  17. #define BOOKE_IRQPRIO_INST_STORAGE 1
  18. #define BOOKE_IRQPRIO_ALIGNMENT 2
  19. #define BOOKE_IRQPRIO_PROGRAM 3
  20. #define BOOKE_IRQPRIO_FP_UNAVAIL 4
  21. #ifdef CONFIG_SPE_POSSIBLE
  22. #define BOOKE_IRQPRIO_SPE_UNAVAIL 5
  23. #define BOOKE_IRQPRIO_SPE_FP_DATA 6
  24. #define BOOKE_IRQPRIO_SPE_FP_ROUND 7
  25. #endif
  26. #ifdef CONFIG_PPC_E500MC
  27. #define BOOKE_IRQPRIO_ALTIVEC_UNAVAIL 5
  28. #define BOOKE_IRQPRIO_ALTIVEC_ASSIST 6
  29. #endif
  30. #define BOOKE_IRQPRIO_SYSCALL 8
  31. #define BOOKE_IRQPRIO_AP_UNAVAIL 9
  32. #define BOOKE_IRQPRIO_DTLB_MISS 10
  33. #define BOOKE_IRQPRIO_ITLB_MISS 11
  34. #define BOOKE_IRQPRIO_MACHINE_CHECK 12
  35. #define BOOKE_IRQPRIO_DEBUG 13
  36. #define BOOKE_IRQPRIO_CRITICAL 14
  37. #define BOOKE_IRQPRIO_WATCHDOG 15
  38. #define BOOKE_IRQPRIO_EXTERNAL 16
  39. #define BOOKE_IRQPRIO_FIT 17
  40. #define BOOKE_IRQPRIO_DECREMENTER 18
  41. #define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19
  42. /* Internal pseudo-irqprio for level triggered externals */
  43. #define BOOKE_IRQPRIO_EXTERNAL_LEVEL 20
  44. #define BOOKE_IRQPRIO_DBELL 21
  45. #define BOOKE_IRQPRIO_DBELL_CRIT 22
  46. #define BOOKE_IRQPRIO_MAX 23
  47. #define BOOKE_IRQMASK_EE ((1 << BOOKE_IRQPRIO_EXTERNAL_LEVEL) | \
  48. (1 << BOOKE_IRQPRIO_PERFORMANCE_MONITOR) | \
  49. (1 << BOOKE_IRQPRIO_DBELL) | \
  50. (1 << BOOKE_IRQPRIO_DECREMENTER) | \
  51. (1 << BOOKE_IRQPRIO_FIT) | \
  52. (1 << BOOKE_IRQPRIO_EXTERNAL))
  53. #define BOOKE_IRQMASK_CE ((1 << BOOKE_IRQPRIO_DBELL_CRIT) | \
  54. (1 << BOOKE_IRQPRIO_WATCHDOG) | \
  55. (1 << BOOKE_IRQPRIO_CRITICAL))
  56. extern unsigned long kvmppc_booke_handlers;
  57. extern unsigned long kvmppc_booke_handler_addr[];
  58. void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr);
  59. void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
  60. void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr);
  61. void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
  62. void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
  63. void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
  64. int kvmppc_booke_emulate_op(struct kvm_vcpu *vcpu,
  65. unsigned int inst, int *advance);
  66. int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
  67. int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
  68. /* low-level asm code to transfer guest state */
  69. void kvmppc_load_guest_spe(struct kvm_vcpu *vcpu);
  70. void kvmppc_save_guest_spe(struct kvm_vcpu *vcpu);
  71. /* high-level function, manages flags, host state */
  72. void kvmppc_vcpu_disable_spe(struct kvm_vcpu *vcpu);
  73. void kvmppc_booke_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
  74. void kvmppc_booke_vcpu_put(struct kvm_vcpu *vcpu);
  75. enum int_class {
  76. INT_CLASS_NONCRIT,
  77. INT_CLASS_CRIT,
  78. INT_CLASS_MC,
  79. INT_CLASS_DBG,
  80. };
  81. void kvmppc_set_pending_interrupt(struct kvm_vcpu *vcpu, enum int_class type);
  82. extern int kvmppc_core_emulate_op_e500(struct kvm_vcpu *vcpu,
  83. unsigned int inst, int *advance);
  84. extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
  85. ulong spr_val);
  86. extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
  87. ulong *spr_val);
  88. extern int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn,
  89. ulong spr_val);
  90. extern int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn,
  91. ulong *spr_val);
  92. static inline void kvmppc_clear_dbsr(void)
  93. {
  94. mtspr(SPRN_DBSR, mfspr(SPRN_DBSR));
  95. }
  96. #endif /* __KVM_BOOKE_H__ */