reg.h 47 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099
  1. /*
  2. * Contains the definition of registers common to all PowerPC variants.
  3. * If a register definition has been changed in a different PowerPC
  4. * variant, we will case it in #ifndef XXX ... #endif, and have the
  5. * number used in the Programming Environments Manual For 32-Bit
  6. * Implementations of the PowerPC Architecture (a.k.a. Green Book) here.
  7. */
  8. #ifndef _ASM_POWERPC_REG_H
  9. #define _ASM_POWERPC_REG_H
  10. #ifdef __KERNEL__
  11. #include <linux/stringify.h>
  12. #include <asm/cputable.h>
  13. /* Pickup Book E specific registers. */
  14. #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
  15. #include <asm/reg_booke.h>
  16. #endif /* CONFIG_BOOKE || CONFIG_40x */
  17. #ifdef CONFIG_FSL_EMB_PERFMON
  18. #include <asm/reg_fsl_emb.h>
  19. #endif
  20. #ifdef CONFIG_8xx
  21. #include <asm/reg_8xx.h>
  22. #endif /* CONFIG_8xx */
  23. #define MSR_SF_LG 63 /* Enable 64 bit mode */
  24. #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */
  25. #define MSR_HV_LG 60 /* Hypervisor state */
  26. #define MSR_VEC_LG 25 /* Enable AltiVec */
  27. #define MSR_VSX_LG 23 /* Enable VSX */
  28. #define MSR_POW_LG 18 /* Enable Power Management */
  29. #define MSR_WE_LG 18 /* Wait State Enable */
  30. #define MSR_TGPR_LG 17 /* TLB Update registers in use */
  31. #define MSR_CE_LG 17 /* Critical Interrupt Enable */
  32. #define MSR_ILE_LG 16 /* Interrupt Little Endian */
  33. #define MSR_EE_LG 15 /* External Interrupt Enable */
  34. #define MSR_PR_LG 14 /* Problem State / Privilege Level */
  35. #define MSR_FP_LG 13 /* Floating Point enable */
  36. #define MSR_ME_LG 12 /* Machine Check Enable */
  37. #define MSR_FE0_LG 11 /* Floating Exception mode 0 */
  38. #define MSR_SE_LG 10 /* Single Step */
  39. #define MSR_BE_LG 9 /* Branch Trace */
  40. #define MSR_DE_LG 9 /* Debug Exception Enable */
  41. #define MSR_FE1_LG 8 /* Floating Exception mode 1 */
  42. #define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */
  43. #define MSR_IR_LG 5 /* Instruction Relocate */
  44. #define MSR_DR_LG 4 /* Data Relocate */
  45. #define MSR_PE_LG 3 /* Protection Enable */
  46. #define MSR_PX_LG 2 /* Protection Exclusive Mode */
  47. #define MSR_PMM_LG 2 /* Performance monitor */
  48. #define MSR_RI_LG 1 /* Recoverable Exception */
  49. #define MSR_LE_LG 0 /* Little Endian */
  50. #ifdef __ASSEMBLY__
  51. #define __MASK(X) (1<<(X))
  52. #else
  53. #define __MASK(X) (1UL<<(X))
  54. #endif
  55. #ifdef CONFIG_PPC64
  56. #define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */
  57. #define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */
  58. #define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */
  59. #else
  60. /* so tests for these bits fail on 32-bit */
  61. #define MSR_SF 0
  62. #define MSR_ISF 0
  63. #define MSR_HV 0
  64. #endif
  65. #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */
  66. #define MSR_VSX __MASK(MSR_VSX_LG) /* Enable VSX */
  67. #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */
  68. #define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */
  69. #define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */
  70. #define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */
  71. #define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */
  72. #define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */
  73. #define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */
  74. #define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */
  75. #define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */
  76. #define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */
  77. #define MSR_SE __MASK(MSR_SE_LG) /* Single Step */
  78. #define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */
  79. #define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */
  80. #define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */
  81. #define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */
  82. #define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */
  83. #define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */
  84. #define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */
  85. #define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */
  86. #ifndef MSR_PMM
  87. #define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */
  88. #endif
  89. #define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */
  90. #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
  91. #if defined(CONFIG_PPC_BOOK3S_64)
  92. #define MSR_64BIT MSR_SF
  93. /* Server variant */
  94. #define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV
  95. #define MSR_KERNEL MSR_ | MSR_64BIT
  96. #define MSR_USER32 MSR_ | MSR_PR | MSR_EE
  97. #define MSR_USER64 MSR_USER32 | MSR_64BIT
  98. #elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_8xx)
  99. /* Default MSR for kernel mode. */
  100. #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR)
  101. #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
  102. #endif
  103. #ifndef MSR_64BIT
  104. #define MSR_64BIT 0
  105. #endif
  106. /* Floating Point Status and Control Register (FPSCR) Fields */
  107. #define FPSCR_FX 0x80000000 /* FPU exception summary */
  108. #define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */
  109. #define FPSCR_VX 0x20000000 /* Invalid operation summary */
  110. #define FPSCR_OX 0x10000000 /* Overflow exception summary */
  111. #define FPSCR_UX 0x08000000 /* Underflow exception summary */
  112. #define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */
  113. #define FPSCR_XX 0x02000000 /* Inexact exception summary */
  114. #define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */
  115. #define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */
  116. #define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */
  117. #define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */
  118. #define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */
  119. #define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */
  120. #define FPSCR_FR 0x00040000 /* Fraction rounded */
  121. #define FPSCR_FI 0x00020000 /* Fraction inexact */
  122. #define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */
  123. #define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */
  124. #define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */
  125. #define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */
  126. #define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */
  127. #define FPSCR_VE 0x00000080 /* Invalid op exception enable */
  128. #define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */
  129. #define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */
  130. #define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */
  131. #define FPSCR_XE 0x00000008 /* FP inexact exception enable */
  132. #define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */
  133. #define FPSCR_RN 0x00000003 /* FPU rounding control */
  134. /* Bit definitions for SPEFSCR. */
  135. #define SPEFSCR_SOVH 0x80000000 /* Summary integer overflow high */
  136. #define SPEFSCR_OVH 0x40000000 /* Integer overflow high */
  137. #define SPEFSCR_FGH 0x20000000 /* Embedded FP guard bit high */
  138. #define SPEFSCR_FXH 0x10000000 /* Embedded FP sticky bit high */
  139. #define SPEFSCR_FINVH 0x08000000 /* Embedded FP invalid operation high */
  140. #define SPEFSCR_FDBZH 0x04000000 /* Embedded FP div by zero high */
  141. #define SPEFSCR_FUNFH 0x02000000 /* Embedded FP underflow high */
  142. #define SPEFSCR_FOVFH 0x01000000 /* Embedded FP overflow high */
  143. #define SPEFSCR_FINXS 0x00200000 /* Embedded FP inexact sticky */
  144. #define SPEFSCR_FINVS 0x00100000 /* Embedded FP invalid op. sticky */
  145. #define SPEFSCR_FDBZS 0x00080000 /* Embedded FP div by zero sticky */
  146. #define SPEFSCR_FUNFS 0x00040000 /* Embedded FP underflow sticky */
  147. #define SPEFSCR_FOVFS 0x00020000 /* Embedded FP overflow sticky */
  148. #define SPEFSCR_MODE 0x00010000 /* Embedded FP mode */
  149. #define SPEFSCR_SOV 0x00008000 /* Integer summary overflow */
  150. #define SPEFSCR_OV 0x00004000 /* Integer overflow */
  151. #define SPEFSCR_FG 0x00002000 /* Embedded FP guard bit */
  152. #define SPEFSCR_FX 0x00001000 /* Embedded FP sticky bit */
  153. #define SPEFSCR_FINV 0x00000800 /* Embedded FP invalid operation */
  154. #define SPEFSCR_FDBZ 0x00000400 /* Embedded FP div by zero */
  155. #define SPEFSCR_FUNF 0x00000200 /* Embedded FP underflow */
  156. #define SPEFSCR_FOVF 0x00000100 /* Embedded FP overflow */
  157. #define SPEFSCR_FINXE 0x00000040 /* Embedded FP inexact enable */
  158. #define SPEFSCR_FINVE 0x00000020 /* Embedded FP invalid op. enable */
  159. #define SPEFSCR_FDBZE 0x00000010 /* Embedded FP div by zero enable */
  160. #define SPEFSCR_FUNFE 0x00000008 /* Embedded FP underflow enable */
  161. #define SPEFSCR_FOVFE 0x00000004 /* Embedded FP overflow enable */
  162. #define SPEFSCR_FRMC 0x00000003 /* Embedded FP rounding mode control */
  163. /* Special Purpose Registers (SPRNs)*/
  164. #ifdef CONFIG_40x
  165. #define SPRN_PID 0x3B1 /* Process ID */
  166. #else
  167. #define SPRN_PID 0x030 /* Process ID */
  168. #ifdef CONFIG_BOOKE
  169. #define SPRN_PID0 SPRN_PID/* Process ID Register 0 */
  170. #endif
  171. #endif
  172. #define SPRN_CTR 0x009 /* Count Register */
  173. #define SPRN_DSCR 0x11
  174. #define SPRN_CFAR 0x1c /* Come From Address Register */
  175. #define SPRN_AMR 0x1d /* Authority Mask Register */
  176. #define SPRN_UAMOR 0x9d /* User Authority Mask Override Register */
  177. #define SPRN_AMOR 0x15d /* Authority Mask Override Register */
  178. #define SPRN_ACOP 0x1F /* Available Coprocessor Register */
  179. #define SPRN_CTRLF 0x088
  180. #define SPRN_CTRLT 0x098
  181. #define CTRL_CT 0xc0000000 /* current thread */
  182. #define CTRL_CT0 0x80000000 /* thread 0 */
  183. #define CTRL_CT1 0x40000000 /* thread 1 */
  184. #define CTRL_TE 0x00c00000 /* thread enable */
  185. #define CTRL_RUNLATCH 0x1
  186. #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
  187. #define DABR_TRANSLATION (1UL << 2)
  188. #define DABR_DATA_WRITE (1UL << 1)
  189. #define DABR_DATA_READ (1UL << 0)
  190. #define SPRN_DABR2 0x13D /* e300 */
  191. #define SPRN_DABRX 0x3F7 /* Data Address Breakpoint Register Extension */
  192. #define DABRX_USER (1UL << 0)
  193. #define DABRX_KERNEL (1UL << 1)
  194. #define SPRN_DAR 0x013 /* Data Address Register */
  195. #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */
  196. #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
  197. #define DSISR_NOHPTE 0x40000000 /* no translation found */
  198. #define DSISR_PROTFAULT 0x08000000 /* protection fault */
  199. #define DSISR_ISSTORE 0x02000000 /* access was a store */
  200. #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
  201. #define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */
  202. #define DSISR_KEYFAULT 0x00200000 /* Key fault */
  203. #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
  204. #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
  205. #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */
  206. #define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */
  207. #define SPRN_SPURR 0x134 /* Scaled PURR */
  208. #define SPRN_HSPRG0 0x130 /* Hypervisor Scratch 0 */
  209. #define SPRN_HSPRG1 0x131 /* Hypervisor Scratch 1 */
  210. #define SPRN_HDSISR 0x132
  211. #define SPRN_HDAR 0x133
  212. #define SPRN_HDEC 0x136 /* Hypervisor Decrementer */
  213. #define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
  214. #define SPRN_RMOR 0x138 /* Real mode offset register */
  215. #define SPRN_HRMOR 0x139 /* Real mode offset register */
  216. #define SPRN_HSRR0 0x13A /* Hypervisor Save/Restore 0 */
  217. #define SPRN_HSRR1 0x13B /* Hypervisor Save/Restore 1 */
  218. #define SPRN_LPCR 0x13E /* LPAR Control Register */
  219. #define LPCR_VPM0 (1ul << (63-0))
  220. #define LPCR_VPM1 (1ul << (63-1))
  221. #define LPCR_ISL (1ul << (63-2))
  222. #define LPCR_VC_SH (63-2)
  223. #define LPCR_DPFD_SH (63-11)
  224. #define LPCR_VRMASD (0x1ful << (63-16))
  225. #define LPCR_VRMA_L (1ul << (63-12))
  226. #define LPCR_VRMA_LP0 (1ul << (63-15))
  227. #define LPCR_VRMA_LP1 (1ul << (63-16))
  228. #define LPCR_VRMASD_SH (63-16)
  229. #define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */
  230. #define LPCR_RMLS_SH (63-37)
  231. #define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */
  232. #define LPCR_PECE 0x00007000 /* powersave exit cause enable */
  233. #define LPCR_PECE0 0x00004000 /* ext. exceptions can cause exit */
  234. #define LPCR_PECE1 0x00002000 /* decrementer can cause exit */
  235. #define LPCR_PECE2 0x00001000 /* machine check etc can cause exit */
  236. #define LPCR_MER 0x00000800 /* Mediated External Exception */
  237. #define LPCR_LPES 0x0000000c
  238. #define LPCR_LPES0 0x00000008 /* LPAR Env selector 0 */
  239. #define LPCR_LPES1 0x00000004 /* LPAR Env selector 1 */
  240. #define LPCR_LPES_SH 2
  241. #define LPCR_RMI 0x00000002 /* real mode is cache inhibit */
  242. #define LPCR_HDICE 0x00000001 /* Hyp Decr enable (HV,PR,EE) */
  243. #define SPRN_LPID 0x13F /* Logical Partition Identifier */
  244. #define LPID_RSVD 0x3ff /* Reserved LPID for partn switching */
  245. #define SPRN_HMER 0x150 /* Hardware m? error recovery */
  246. #define SPRN_HMEER 0x151 /* Hardware m? enable error recovery */
  247. #define SPRN_HEIR 0x153 /* Hypervisor Emulated Instruction Register */
  248. #define SPRN_TLBINDEXR 0x154 /* P7 TLB control register */
  249. #define SPRN_TLBVPNR 0x155 /* P7 TLB control register */
  250. #define SPRN_TLBRPNR 0x156 /* P7 TLB control register */
  251. #define SPRN_TLBLPIDR 0x157 /* P7 TLB control register */
  252. #define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */
  253. #define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */
  254. #define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */
  255. #define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */
  256. #define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */
  257. #define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */
  258. #define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */
  259. #define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */
  260. #define SPRN_DBAT4L 0x239 /* Data BAT 4 Lower Register */
  261. #define SPRN_DBAT4U 0x238 /* Data BAT 4 Upper Register */
  262. #define SPRN_DBAT5L 0x23B /* Data BAT 5 Lower Register */
  263. #define SPRN_DBAT5U 0x23A /* Data BAT 5 Upper Register */
  264. #define SPRN_DBAT6L 0x23D /* Data BAT 6 Lower Register */
  265. #define SPRN_DBAT6U 0x23C /* Data BAT 6 Upper Register */
  266. #define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */
  267. #define SPRN_DBAT7U 0x23E /* Data BAT 7 Upper Register */
  268. #define SPRN_DEC 0x016 /* Decrement Register */
  269. #define SPRN_DER 0x095 /* Debug Enable Regsiter */
  270. #define DER_RSTE 0x40000000 /* Reset Interrupt */
  271. #define DER_CHSTPE 0x20000000 /* Check Stop */
  272. #define DER_MCIE 0x10000000 /* Machine Check Interrupt */
  273. #define DER_EXTIE 0x02000000 /* External Interrupt */
  274. #define DER_ALIE 0x01000000 /* Alignment Interrupt */
  275. #define DER_PRIE 0x00800000 /* Program Interrupt */
  276. #define DER_FPUVIE 0x00400000 /* FP Unavailable Interrupt */
  277. #define DER_DECIE 0x00200000 /* Decrementer Interrupt */
  278. #define DER_SYSIE 0x00040000 /* System Call Interrupt */
  279. #define DER_TRE 0x00020000 /* Trace Interrupt */
  280. #define DER_SEIE 0x00004000 /* FP SW Emulation Interrupt */
  281. #define DER_ITLBMSE 0x00002000 /* Imp. Spec. Instruction TLB Miss */
  282. #define DER_ITLBERE 0x00001000 /* Imp. Spec. Instruction TLB Error */
  283. #define DER_DTLBMSE 0x00000800 /* Imp. Spec. Data TLB Miss */
  284. #define DER_DTLBERE 0x00000400 /* Imp. Spec. Data TLB Error */
  285. #define DER_LBRKE 0x00000008 /* Load/Store Breakpoint Interrupt */
  286. #define DER_IBRKE 0x00000004 /* Instruction Breakpoint Interrupt */
  287. #define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */
  288. #define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */
  289. #define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
  290. #define SPRN_EAR 0x11A /* External Address Register */
  291. #define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
  292. #define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */
  293. #define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
  294. #define HID0_HDICE_SH (63 - 23) /* 970 HDEC interrupt enable */
  295. #define HID0_EMCP (1<<31) /* Enable Machine Check pin */
  296. #define HID0_EBA (1<<29) /* Enable Bus Address Parity */
  297. #define HID0_EBD (1<<28) /* Enable Bus Data Parity */
  298. #define HID0_SBCLK (1<<27)
  299. #define HID0_EICE (1<<26)
  300. #define HID0_TBEN (1<<26) /* Timebase enable - 745x */
  301. #define HID0_ECLK (1<<25)
  302. #define HID0_PAR (1<<24)
  303. #define HID0_STEN (1<<24) /* Software table search enable - 745x */
  304. #define HID0_HIGH_BAT (1<<23) /* Enable high BATs - 7455 */
  305. #define HID0_DOZE (1<<23)
  306. #define HID0_NAP (1<<22)
  307. #define HID0_SLEEP (1<<21)
  308. #define HID0_DPM (1<<20)
  309. #define HID0_BHTCLR (1<<18) /* Clear branch history table - 7450 */
  310. #define HID0_XAEN (1<<17) /* Extended addressing enable - 7450 */
  311. #define HID0_NHR (1<<16) /* Not hard reset (software bit-7450)*/
  312. #define HID0_ICE (1<<15) /* Instruction Cache Enable */
  313. #define HID0_DCE (1<<14) /* Data Cache Enable */
  314. #define HID0_ILOCK (1<<13) /* Instruction Cache Lock */
  315. #define HID0_DLOCK (1<<12) /* Data Cache Lock */
  316. #define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */
  317. #define HID0_DCI (1<<10) /* Data Cache Invalidate */
  318. #define HID0_SPD (1<<9) /* Speculative disable */
  319. #define HID0_DAPUEN (1<<8) /* Debug APU enable */
  320. #define HID0_SGE (1<<7) /* Store Gathering Enable */
  321. #define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */
  322. #define HID0_DCFA (1<<6) /* Data Cache Flush Assist */
  323. #define HID0_LRSTK (1<<4) /* Link register stack - 745x */
  324. #define HID0_BTIC (1<<5) /* Branch Target Instr Cache Enable */
  325. #define HID0_ABE (1<<3) /* Address Broadcast Enable */
  326. #define HID0_FOLD (1<<3) /* Branch Folding enable - 745x */
  327. #define HID0_BHTE (1<<2) /* Branch History Table Enable */
  328. #define HID0_BTCD (1<<1) /* Branch target cache disable */
  329. #define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */
  330. #define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */
  331. #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
  332. #ifdef CONFIG_6xx
  333. #define HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */
  334. #define HID1_DFS (1<<22) /* 7447A Dynamic Frequency Scaling */
  335. #define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */
  336. #define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */
  337. #define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */
  338. #define HID1_PC3 (1<<13) /* 7450 PLL_CFG[3] */
  339. #define HID1_SYNCBE (1<<11) /* 7450 ABE for sync, eieio */
  340. #define HID1_ABE (1<<10) /* 7450 Address Broadcast Enable */
  341. #define HID1_PS (1<<16) /* 750FX PLL selection */
  342. #endif
  343. #define SPRN_HID2 0x3F8 /* Hardware Implementation Register 2 */
  344. #define SPRN_HID2_GEKKO 0x398 /* Gekko HID2 Register */
  345. #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
  346. #define SPRN_IABR2 0x3FA /* 83xx */
  347. #define SPRN_IBCR 0x135 /* 83xx Insn Breakpoint Control Reg */
  348. #define SPRN_HID4 0x3F4 /* 970 HID4 */
  349. #define HID4_LPES0 (1ul << (63-0)) /* LPAR env. sel. bit 0 */
  350. #define HID4_RMLS2_SH (63 - 2) /* Real mode limit bottom 2 bits */
  351. #define HID4_LPID5_SH (63 - 6) /* partition ID bottom 4 bits */
  352. #define HID4_RMOR_SH (63 - 22) /* real mode offset (16 bits) */
  353. #define HID4_LPES1 (1 << (63-57)) /* LPAR env. sel. bit 1 */
  354. #define HID4_RMLS0_SH (63 - 58) /* Real mode limit top bit */
  355. #define HID4_LPID1_SH 0 /* partition ID top 2 bits */
  356. #define SPRN_HID4_GEKKO 0x3F3 /* Gekko HID4 */
  357. #define SPRN_HID5 0x3F6 /* 970 HID5 */
  358. #define SPRN_HID6 0x3F9 /* BE HID 6 */
  359. #define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */
  360. #define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */
  361. #define SPRN_TSC_CELL 0x399 /* Thread switch control on Cell */
  362. #define TSC_CELL_DEC_ENABLE_0 0x400000 /* Decrementer Interrupt */
  363. #define TSC_CELL_DEC_ENABLE_1 0x200000 /* Decrementer Interrupt */
  364. #define TSC_CELL_EE_ENABLE 0x100000 /* External Interrupt */
  365. #define TSC_CELL_EE_BOOST 0x080000 /* External Interrupt Boost */
  366. #define SPRN_TSC 0x3FD /* Thread switch control on others */
  367. #define SPRN_TST 0x3FC /* Thread switch timeout on others */
  368. #if !defined(SPRN_IAC1) && !defined(SPRN_IAC2)
  369. #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
  370. #define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
  371. #endif
  372. #define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */
  373. #define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */
  374. #define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */
  375. #define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */
  376. #define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */
  377. #define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */
  378. #define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */
  379. #define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */
  380. #define SPRN_IBAT4L 0x231 /* Instruction BAT 4 Lower Register */
  381. #define SPRN_IBAT4U 0x230 /* Instruction BAT 4 Upper Register */
  382. #define SPRN_IBAT5L 0x233 /* Instruction BAT 5 Lower Register */
  383. #define SPRN_IBAT5U 0x232 /* Instruction BAT 5 Upper Register */
  384. #define SPRN_IBAT6L 0x235 /* Instruction BAT 6 Lower Register */
  385. #define SPRN_IBAT6U 0x234 /* Instruction BAT 6 Upper Register */
  386. #define SPRN_IBAT7L 0x237 /* Instruction BAT 7 Lower Register */
  387. #define SPRN_IBAT7U 0x236 /* Instruction BAT 7 Upper Register */
  388. #define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */
  389. #define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
  390. #define SPRN_ICTRL 0x3F3 /* 1011 7450 icache and interrupt ctrl */
  391. #define ICTRL_EICE 0x08000000 /* enable icache parity errs */
  392. #define ICTRL_EDC 0x04000000 /* enable dcache parity errs */
  393. #define ICTRL_EICP 0x00000100 /* enable icache par. check */
  394. #define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
  395. #define SPRN_IMMR 0x27E /* Internal Memory Map Register */
  396. #define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
  397. #define SPRN_L2CR2 0x3f8
  398. #define L2CR_L2E 0x80000000 /* L2 enable */
  399. #define L2CR_L2PE 0x40000000 /* L2 parity enable */
  400. #define L2CR_L2SIZ_MASK 0x30000000 /* L2 size mask */
  401. #define L2CR_L2SIZ_256KB 0x10000000 /* L2 size 256KB */
  402. #define L2CR_L2SIZ_512KB 0x20000000 /* L2 size 512KB */
  403. #define L2CR_L2SIZ_1MB 0x30000000 /* L2 size 1MB */
  404. #define L2CR_L2CLK_MASK 0x0e000000 /* L2 clock mask */
  405. #define L2CR_L2CLK_DISABLED 0x00000000 /* L2 clock disabled */
  406. #define L2CR_L2CLK_DIV1 0x02000000 /* L2 clock / 1 */
  407. #define L2CR_L2CLK_DIV1_5 0x04000000 /* L2 clock / 1.5 */
  408. #define L2CR_L2CLK_DIV2 0x08000000 /* L2 clock / 2 */
  409. #define L2CR_L2CLK_DIV2_5 0x0a000000 /* L2 clock / 2.5 */
  410. #define L2CR_L2CLK_DIV3 0x0c000000 /* L2 clock / 3 */
  411. #define L2CR_L2RAM_MASK 0x01800000 /* L2 RAM type mask */
  412. #define L2CR_L2RAM_FLOW 0x00000000 /* L2 RAM flow through */
  413. #define L2CR_L2RAM_PIPE 0x01000000 /* L2 RAM pipelined */
  414. #define L2CR_L2RAM_PIPE_LW 0x01800000 /* L2 RAM pipelined latewr */
  415. #define L2CR_L2DO 0x00400000 /* L2 data only */
  416. #define L2CR_L2I 0x00200000 /* L2 global invalidate */
  417. #define L2CR_L2CTL 0x00100000 /* L2 RAM control */
  418. #define L2CR_L2WT 0x00080000 /* L2 write-through */
  419. #define L2CR_L2TS 0x00040000 /* L2 test support */
  420. #define L2CR_L2OH_MASK 0x00030000 /* L2 output hold mask */
  421. #define L2CR_L2OH_0_5 0x00000000 /* L2 output hold 0.5 ns */
  422. #define L2CR_L2OH_1_0 0x00010000 /* L2 output hold 1.0 ns */
  423. #define L2CR_L2SL 0x00008000 /* L2 DLL slow */
  424. #define L2CR_L2DF 0x00004000 /* L2 differential clock */
  425. #define L2CR_L2BYP 0x00002000 /* L2 DLL bypass */
  426. #define L2CR_L2IP 0x00000001 /* L2 GI in progress */
  427. #define L2CR_L2IO_745x 0x00100000 /* L2 instr. only (745x) */
  428. #define L2CR_L2DO_745x 0x00010000 /* L2 data only (745x) */
  429. #define L2CR_L2REP_745x 0x00001000 /* L2 repl. algorithm (745x) */
  430. #define L2CR_L2HWF_745x 0x00000800 /* L2 hardware flush (745x) */
  431. #define SPRN_L3CR 0x3FA /* Level 3 Cache Control Regsiter */
  432. #define L3CR_L3E 0x80000000 /* L3 enable */
  433. #define L3CR_L3PE 0x40000000 /* L3 data parity enable */
  434. #define L3CR_L3APE 0x20000000 /* L3 addr parity enable */
  435. #define L3CR_L3SIZ 0x10000000 /* L3 size */
  436. #define L3CR_L3CLKEN 0x08000000 /* L3 clock enable */
  437. #define L3CR_L3RES 0x04000000 /* L3 special reserved bit */
  438. #define L3CR_L3CLKDIV 0x03800000 /* L3 clock divisor */
  439. #define L3CR_L3IO 0x00400000 /* L3 instruction only */
  440. #define L3CR_L3SPO 0x00040000 /* L3 sample point override */
  441. #define L3CR_L3CKSP 0x00030000 /* L3 clock sample point */
  442. #define L3CR_L3PSP 0x0000e000 /* L3 P-clock sample point */
  443. #define L3CR_L3REP 0x00001000 /* L3 replacement algorithm */
  444. #define L3CR_L3HWF 0x00000800 /* L3 hardware flush */
  445. #define L3CR_L3I 0x00000400 /* L3 global invalidate */
  446. #define L3CR_L3RT 0x00000300 /* L3 SRAM type */
  447. #define L3CR_L3NIRCA 0x00000080 /* L3 non-integer ratio clock adj. */
  448. #define L3CR_L3DO 0x00000040 /* L3 data only mode */
  449. #define L3CR_PMEN 0x00000004 /* L3 private memory enable */
  450. #define L3CR_PMSIZ 0x00000001 /* L3 private memory size */
  451. #define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */
  452. #define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */
  453. #define SPRN_LDSTCR 0x3f8 /* Load/Store control register */
  454. #define SPRN_LDSTDB 0x3f4 /* */
  455. #define SPRN_LR 0x008 /* Link Register */
  456. #ifndef SPRN_PIR
  457. #define SPRN_PIR 0x3FF /* Processor Identification Register */
  458. #endif
  459. #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */
  460. #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */
  461. #define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */
  462. #define SPRN_PVR 0x11F /* Processor Version Register */
  463. #define SPRN_RPA 0x3D6 /* Required Physical Address Register */
  464. #define SPRN_SDA 0x3BF /* Sampled Data Address Register */
  465. #define SPRN_SDR1 0x019 /* MMU Hash Base Register */
  466. #define SPRN_ASR 0x118 /* Address Space Register */
  467. #define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
  468. #define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
  469. #define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
  470. #define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */
  471. #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */
  472. #define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */
  473. #define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */
  474. #define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */
  475. #define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */
  476. #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
  477. #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
  478. #define SRR1_ISI_NOPT 0x40000000 /* ISI: Not found in hash */
  479. #define SRR1_ISI_N_OR_G 0x10000000 /* ISI: Access is no-exec or G */
  480. #define SRR1_ISI_PROT 0x08000000 /* ISI: Other protection fault */
  481. #define SRR1_WAKEMASK 0x00380000 /* reason for wakeup */
  482. #define SRR1_WAKESYSERR 0x00300000 /* System error */
  483. #define SRR1_WAKEEE 0x00200000 /* External interrupt */
  484. #define SRR1_WAKEMT 0x00280000 /* mtctrl */
  485. #define SRR1_WAKEHMI 0x00280000 /* Hypervisor maintenance */
  486. #define SRR1_WAKEDEC 0x00180000 /* Decrementer interrupt */
  487. #define SRR1_WAKETHERM 0x00100000 /* Thermal management interrupt */
  488. #define SRR1_WAKERESET 0x00100000 /* System reset */
  489. #define SRR1_WAKESTATE 0x00030000 /* Powersave exit mask [46:47] */
  490. #define SRR1_WS_DEEPEST 0x00030000 /* Some resources not maintained,
  491. * may not be recoverable */
  492. #define SRR1_WS_DEEPER 0x00020000 /* Some resources not maintained */
  493. #define SRR1_WS_DEEP 0x00010000 /* All resources maintained */
  494. #define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */
  495. #define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */
  496. #define SRR1_PROGTRAP 0x00020000 /* Trap */
  497. #define SRR1_PROGADDR 0x00010000 /* SRR0 contains subsequent addr */
  498. #define SPRN_HSRR0 0x13A /* Save/Restore Register 0 */
  499. #define SPRN_HSRR1 0x13B /* Save/Restore Register 1 */
  500. #define SPRN_TBCTL 0x35f /* PA6T Timebase control register */
  501. #define TBCTL_FREEZE 0x0000000000000000ull /* Freeze all tbs */
  502. #define TBCTL_RESTART 0x0000000100000000ull /* Restart all tbs */
  503. #define TBCTL_UPDATE_UPPER 0x0000000200000000ull /* Set upper 32 bits */
  504. #define TBCTL_UPDATE_LOWER 0x0000000300000000ull /* Set lower 32 bits */
  505. #ifndef SPRN_SVR
  506. #define SPRN_SVR 0x11E /* System Version Register */
  507. #endif
  508. #define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */
  509. /* these bits were defined in inverted endian sense originally, ugh, confusing */
  510. #define THRM1_TIN (1 << 31)
  511. #define THRM1_TIV (1 << 30)
  512. #define THRM1_THRES(x) ((x&0x7f)<<23)
  513. #define THRM3_SITV(x) ((x&0x3fff)<<1)
  514. #define THRM1_TID (1<<2)
  515. #define THRM1_TIE (1<<1)
  516. #define THRM1_V (1<<0)
  517. #define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
  518. #define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
  519. #define THRM3_E (1<<0)
  520. #define SPRN_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */
  521. #define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */
  522. #define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */
  523. #define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */
  524. #define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */
  525. #define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */
  526. #define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */
  527. #define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
  528. #define SPRN_VRSAVE 0x100 /* Vector Register Save Register */
  529. #define SPRN_XER 0x001 /* Fixed Point Exception Register */
  530. #define SPRN_MMCR0_GEKKO 0x3B8 /* Gekko Monitor Mode Control Register 0 */
  531. #define SPRN_MMCR1_GEKKO 0x3BC /* Gekko Monitor Mode Control Register 1 */
  532. #define SPRN_PMC1_GEKKO 0x3B9 /* Gekko Performance Monitor Control 1 */
  533. #define SPRN_PMC2_GEKKO 0x3BA /* Gekko Performance Monitor Control 2 */
  534. #define SPRN_PMC3_GEKKO 0x3BD /* Gekko Performance Monitor Control 3 */
  535. #define SPRN_PMC4_GEKKO 0x3BE /* Gekko Performance Monitor Control 4 */
  536. #define SPRN_WPAR_GEKKO 0x399 /* Gekko Write Pipe Address Register */
  537. #define SPRN_SCOMC 0x114 /* SCOM Access Control */
  538. #define SPRN_SCOMD 0x115 /* SCOM Access DATA */
  539. /* Performance monitor SPRs */
  540. #ifdef CONFIG_PPC64
  541. #define SPRN_MMCR0 795
  542. #define MMCR0_FC 0x80000000UL /* freeze counters */
  543. #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
  544. #define MMCR0_KERNEL_DISABLE MMCR0_FCS
  545. #define MMCR0_FCP 0x20000000UL /* freeze in problem state */
  546. #define MMCR0_PROBLEM_DISABLE MMCR0_FCP
  547. #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
  548. #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
  549. #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
  550. #define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */
  551. #define MMCR0_TBEE 0x00400000UL /* time base exception enable */
  552. #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
  553. #define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/
  554. #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
  555. #define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
  556. #define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */
  557. #define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */
  558. #define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */
  559. #define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
  560. #define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
  561. #define SPRN_MMCR1 798
  562. #define SPRN_MMCRA 0x312
  563. #define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
  564. #define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
  565. #define MMCRA_SDAR_ERAT_MISS 0x20000000UL
  566. #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */
  567. #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */
  568. #define MMCRA_SLOT 0x07000000UL /* SLOT bits (37-39) */
  569. #define MMCRA_SLOT_SHIFT 24
  570. #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
  571. #define POWER6_MMCRA_SDSYNC 0x0000080000000000ULL /* SDAR/SIAR synced */
  572. #define POWER6_MMCRA_SIHV 0x0000040000000000ULL
  573. #define POWER6_MMCRA_SIPR 0x0000020000000000ULL
  574. #define POWER6_MMCRA_THRM 0x00000020UL
  575. #define POWER6_MMCRA_OTHER 0x0000000EUL
  576. #define SPRN_PMC1 787
  577. #define SPRN_PMC2 788
  578. #define SPRN_PMC3 789
  579. #define SPRN_PMC4 790
  580. #define SPRN_PMC5 791
  581. #define SPRN_PMC6 792
  582. #define SPRN_PMC7 793
  583. #define SPRN_PMC8 794
  584. #define SPRN_SIAR 780
  585. #define SPRN_SDAR 781
  586. #define SPRN_PA6T_MMCR0 795
  587. #define PA6T_MMCR0_EN0 0x0000000000000001UL
  588. #define PA6T_MMCR0_EN1 0x0000000000000002UL
  589. #define PA6T_MMCR0_EN2 0x0000000000000004UL
  590. #define PA6T_MMCR0_EN3 0x0000000000000008UL
  591. #define PA6T_MMCR0_EN4 0x0000000000000010UL
  592. #define PA6T_MMCR0_EN5 0x0000000000000020UL
  593. #define PA6T_MMCR0_SUPEN 0x0000000000000040UL
  594. #define PA6T_MMCR0_PREN 0x0000000000000080UL
  595. #define PA6T_MMCR0_HYPEN 0x0000000000000100UL
  596. #define PA6T_MMCR0_FCM0 0x0000000000000200UL
  597. #define PA6T_MMCR0_FCM1 0x0000000000000400UL
  598. #define PA6T_MMCR0_INTGEN 0x0000000000000800UL
  599. #define PA6T_MMCR0_INTEN0 0x0000000000001000UL
  600. #define PA6T_MMCR0_INTEN1 0x0000000000002000UL
  601. #define PA6T_MMCR0_INTEN2 0x0000000000004000UL
  602. #define PA6T_MMCR0_INTEN3 0x0000000000008000UL
  603. #define PA6T_MMCR0_INTEN4 0x0000000000010000UL
  604. #define PA6T_MMCR0_INTEN5 0x0000000000020000UL
  605. #define PA6T_MMCR0_DISCNT 0x0000000000040000UL
  606. #define PA6T_MMCR0_UOP 0x0000000000080000UL
  607. #define PA6T_MMCR0_TRG 0x0000000000100000UL
  608. #define PA6T_MMCR0_TRGEN 0x0000000000200000UL
  609. #define PA6T_MMCR0_TRGREG 0x0000000001600000UL
  610. #define PA6T_MMCR0_SIARLOG 0x0000000002000000UL
  611. #define PA6T_MMCR0_SDARLOG 0x0000000004000000UL
  612. #define PA6T_MMCR0_PROEN 0x0000000008000000UL
  613. #define PA6T_MMCR0_PROLOG 0x0000000010000000UL
  614. #define PA6T_MMCR0_DAMEN2 0x0000000020000000UL
  615. #define PA6T_MMCR0_DAMEN3 0x0000000040000000UL
  616. #define PA6T_MMCR0_DAMEN4 0x0000000080000000UL
  617. #define PA6T_MMCR0_DAMEN5 0x0000000100000000UL
  618. #define PA6T_MMCR0_DAMSEL2 0x0000000200000000UL
  619. #define PA6T_MMCR0_DAMSEL3 0x0000000400000000UL
  620. #define PA6T_MMCR0_DAMSEL4 0x0000000800000000UL
  621. #define PA6T_MMCR0_DAMSEL5 0x0000001000000000UL
  622. #define PA6T_MMCR0_HANDDIS 0x0000002000000000UL
  623. #define PA6T_MMCR0_PCTEN 0x0000004000000000UL
  624. #define PA6T_MMCR0_SOCEN 0x0000008000000000UL
  625. #define PA6T_MMCR0_SOCMOD 0x0000010000000000UL
  626. #define SPRN_PA6T_MMCR1 798
  627. #define PA6T_MMCR1_ES2 0x00000000000000ffUL
  628. #define PA6T_MMCR1_ES3 0x000000000000ff00UL
  629. #define PA6T_MMCR1_ES4 0x0000000000ff0000UL
  630. #define PA6T_MMCR1_ES5 0x00000000ff000000UL
  631. #define SPRN_PA6T_UPMC0 771 /* User PerfMon Counter 0 */
  632. #define SPRN_PA6T_UPMC1 772 /* ... */
  633. #define SPRN_PA6T_UPMC2 773
  634. #define SPRN_PA6T_UPMC3 774
  635. #define SPRN_PA6T_UPMC4 775
  636. #define SPRN_PA6T_UPMC5 776
  637. #define SPRN_PA6T_UMMCR0 779 /* User Monitor Mode Control Register 0 */
  638. #define SPRN_PA6T_SIAR 780 /* Sampled Instruction Address */
  639. #define SPRN_PA6T_UMMCR1 782 /* User Monitor Mode Control Register 1 */
  640. #define SPRN_PA6T_SIER 785 /* Sampled Instruction Event Register */
  641. #define SPRN_PA6T_PMC0 787
  642. #define SPRN_PA6T_PMC1 788
  643. #define SPRN_PA6T_PMC2 789
  644. #define SPRN_PA6T_PMC3 790
  645. #define SPRN_PA6T_PMC4 791
  646. #define SPRN_PA6T_PMC5 792
  647. #define SPRN_PA6T_TSR0 793 /* Timestamp Register 0 */
  648. #define SPRN_PA6T_TSR1 794 /* Timestamp Register 1 */
  649. #define SPRN_PA6T_TSR2 799 /* Timestamp Register 2 */
  650. #define SPRN_PA6T_TSR3 784 /* Timestamp Register 3 */
  651. #define SPRN_PA6T_IER 981 /* Icache Error Register */
  652. #define SPRN_PA6T_DER 982 /* Dcache Error Register */
  653. #define SPRN_PA6T_BER 862 /* BIU Error Address Register */
  654. #define SPRN_PA6T_MER 849 /* MMU Error Register */
  655. #define SPRN_PA6T_IMA0 880 /* Instruction Match Array 0 */
  656. #define SPRN_PA6T_IMA1 881 /* ... */
  657. #define SPRN_PA6T_IMA2 882
  658. #define SPRN_PA6T_IMA3 883
  659. #define SPRN_PA6T_IMA4 884
  660. #define SPRN_PA6T_IMA5 885
  661. #define SPRN_PA6T_IMA6 886
  662. #define SPRN_PA6T_IMA7 887
  663. #define SPRN_PA6T_IMA8 888
  664. #define SPRN_PA6T_IMA9 889
  665. #define SPRN_PA6T_BTCR 978 /* Breakpoint and Tagging Control Register */
  666. #define SPRN_PA6T_IMAAT 979 /* Instruction Match Array Action Table */
  667. #define SPRN_PA6T_PCCR 1019 /* Power Counter Control Register */
  668. #define SPRN_BKMK 1020 /* Cell Bookmark Register */
  669. #define SPRN_PA6T_RPCCR 1021 /* Retire PC Trace Control Register */
  670. #else /* 32-bit */
  671. #define SPRN_MMCR0 952 /* Monitor Mode Control Register 0 */
  672. #define MMCR0_FC 0x80000000UL /* freeze counters */
  673. #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
  674. #define MMCR0_FCP 0x20000000UL /* freeze in problem state */
  675. #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
  676. #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
  677. #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
  678. #define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */
  679. #define MMCR0_TBEE 0x00400000UL /* time base exception enable */
  680. #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
  681. #define MMCR0_PMCnCE 0x00004000UL /* count enable for all but PMC 1*/
  682. #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
  683. #define MMCR0_PMC1SEL 0x00001fc0UL /* PMC 1 Event */
  684. #define MMCR0_PMC2SEL 0x0000003fUL /* PMC 2 Event */
  685. #define SPRN_MMCR1 956
  686. #define MMCR1_PMC3SEL 0xf8000000UL /* PMC 3 Event */
  687. #define MMCR1_PMC4SEL 0x07c00000UL /* PMC 4 Event */
  688. #define MMCR1_PMC5SEL 0x003e0000UL /* PMC 5 Event */
  689. #define MMCR1_PMC6SEL 0x0001f800UL /* PMC 6 Event */
  690. #define SPRN_MMCR2 944
  691. #define SPRN_PMC1 953 /* Performance Counter Register 1 */
  692. #define SPRN_PMC2 954 /* Performance Counter Register 2 */
  693. #define SPRN_PMC3 957 /* Performance Counter Register 3 */
  694. #define SPRN_PMC4 958 /* Performance Counter Register 4 */
  695. #define SPRN_PMC5 945 /* Performance Counter Register 5 */
  696. #define SPRN_PMC6 946 /* Performance Counter Register 6 */
  697. #define SPRN_SIAR 955 /* Sampled Instruction Address Register */
  698. /* Bit definitions for MMCR0 and PMC1 / PMC2. */
  699. #define MMCR0_PMC1_CYCLES (1 << 7)
  700. #define MMCR0_PMC1_ICACHEMISS (5 << 7)
  701. #define MMCR0_PMC1_DTLB (6 << 7)
  702. #define MMCR0_PMC2_DCACHEMISS 0x6
  703. #define MMCR0_PMC2_CYCLES 0x1
  704. #define MMCR0_PMC2_ITLB 0x7
  705. #define MMCR0_PMC2_LOADMISSTIME 0x5
  706. #endif
  707. /*
  708. * SPRG usage:
  709. *
  710. * All 64-bit:
  711. * - SPRG1 stores PACA pointer except 64-bit server in
  712. * HV mode in which case it is HSPRG0
  713. *
  714. * 64-bit server:
  715. * - SPRG0 unused (reserved for HV on Power4)
  716. * - SPRG2 scratch for exception vectors
  717. * - SPRG3 unused (user visible)
  718. * - HSPRG0 stores PACA in HV mode
  719. * - HSPRG1 scratch for "HV" exceptions
  720. *
  721. * 64-bit embedded
  722. * - SPRG0 generic exception scratch
  723. * - SPRG2 TLB exception stack
  724. * - SPRG3 unused (user visible)
  725. * - SPRG4 unused (user visible)
  726. * - SPRG6 TLB miss scratch (user visible, sorry !)
  727. * - SPRG7 critical exception scratch
  728. * - SPRG8 machine check exception scratch
  729. * - SPRG9 debug exception scratch
  730. *
  731. * All 32-bit:
  732. * - SPRG3 current thread_info pointer
  733. * (virtual on BookE, physical on others)
  734. *
  735. * 32-bit classic:
  736. * - SPRG0 scratch for exception vectors
  737. * - SPRG1 scratch for exception vectors
  738. * - SPRG2 indicator that we are in RTAS
  739. * - SPRG4 (603 only) pseudo TLB LRU data
  740. *
  741. * 32-bit 40x:
  742. * - SPRG0 scratch for exception vectors
  743. * - SPRG1 scratch for exception vectors
  744. * - SPRG2 scratch for exception vectors
  745. * - SPRG4 scratch for exception vectors (not 403)
  746. * - SPRG5 scratch for exception vectors (not 403)
  747. * - SPRG6 scratch for exception vectors (not 403)
  748. * - SPRG7 scratch for exception vectors (not 403)
  749. *
  750. * 32-bit 440 and FSL BookE:
  751. * - SPRG0 scratch for exception vectors
  752. * - SPRG1 scratch for exception vectors (*)
  753. * - SPRG2 scratch for crit interrupts handler
  754. * - SPRG4 scratch for exception vectors
  755. * - SPRG5 scratch for exception vectors
  756. * - SPRG6 scratch for machine check handler
  757. * - SPRG7 scratch for exception vectors
  758. * - SPRG9 scratch for debug vectors (e500 only)
  759. *
  760. * Additionally, BookE separates "read" and "write"
  761. * of those registers. That allows to use the userspace
  762. * readable variant for reads, which can avoid a fault
  763. * with KVM type virtualization.
  764. *
  765. * (*) Under KVM, the host SPRG1 is used to point to
  766. * the current VCPU data structure
  767. *
  768. * 32-bit 8xx:
  769. * - SPRG0 scratch for exception vectors
  770. * - SPRG1 scratch for exception vectors
  771. * - SPRG2 apparently unused but initialized
  772. *
  773. */
  774. #ifdef CONFIG_PPC64
  775. #define SPRN_SPRG_PACA SPRN_SPRG1
  776. #else
  777. #define SPRN_SPRG_THREAD SPRN_SPRG3
  778. #endif
  779. #ifdef CONFIG_PPC_BOOK3S_64
  780. #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2
  781. #define SPRN_SPRG_HPACA SPRN_HSPRG0
  782. #define SPRN_SPRG_HSCRATCH0 SPRN_HSPRG1
  783. #define GET_PACA(rX) \
  784. BEGIN_FTR_SECTION_NESTED(66); \
  785. mfspr rX,SPRN_SPRG_PACA; \
  786. FTR_SECTION_ELSE_NESTED(66); \
  787. mfspr rX,SPRN_SPRG_HPACA; \
  788. ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
  789. #define SET_PACA(rX) \
  790. BEGIN_FTR_SECTION_NESTED(66); \
  791. mtspr SPRN_SPRG_PACA,rX; \
  792. FTR_SECTION_ELSE_NESTED(66); \
  793. mtspr SPRN_SPRG_HPACA,rX; \
  794. ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
  795. #define GET_SCRATCH0(rX) \
  796. BEGIN_FTR_SECTION_NESTED(66); \
  797. mfspr rX,SPRN_SPRG_SCRATCH0; \
  798. FTR_SECTION_ELSE_NESTED(66); \
  799. mfspr rX,SPRN_SPRG_HSCRATCH0; \
  800. ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
  801. #define SET_SCRATCH0(rX) \
  802. BEGIN_FTR_SECTION_NESTED(66); \
  803. mtspr SPRN_SPRG_SCRATCH0,rX; \
  804. FTR_SECTION_ELSE_NESTED(66); \
  805. mtspr SPRN_SPRG_HSCRATCH0,rX; \
  806. ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
  807. #else /* CONFIG_PPC_BOOK3S_64 */
  808. #define GET_SCRATCH0(rX) mfspr rX,SPRN_SPRG_SCRATCH0
  809. #define SET_SCRATCH0(rX) mtspr SPRN_SPRG_SCRATCH0,rX
  810. #endif
  811. #ifdef CONFIG_PPC_BOOK3E_64
  812. #define SPRN_SPRG_MC_SCRATCH SPRN_SPRG8
  813. #define SPRN_SPRG_CRIT_SCRATCH SPRN_SPRG7
  814. #define SPRN_SPRG_DBG_SCRATCH SPRN_SPRG9
  815. #define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2
  816. #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6
  817. #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0
  818. #define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX
  819. #define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA
  820. #endif
  821. #ifdef CONFIG_PPC_BOOK3S_32
  822. #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
  823. #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
  824. #define SPRN_SPRG_RTAS SPRN_SPRG2
  825. #define SPRN_SPRG_603_LRU SPRN_SPRG4
  826. #endif
  827. #ifdef CONFIG_40x
  828. #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
  829. #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
  830. #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2
  831. #define SPRN_SPRG_SCRATCH3 SPRN_SPRG4
  832. #define SPRN_SPRG_SCRATCH4 SPRN_SPRG5
  833. #define SPRN_SPRG_SCRATCH5 SPRN_SPRG6
  834. #define SPRN_SPRG_SCRATCH6 SPRN_SPRG7
  835. #endif
  836. #ifdef CONFIG_BOOKE
  837. #define SPRN_SPRG_RSCRATCH0 SPRN_SPRG0
  838. #define SPRN_SPRG_WSCRATCH0 SPRN_SPRG0
  839. #define SPRN_SPRG_RSCRATCH1 SPRN_SPRG1
  840. #define SPRN_SPRG_WSCRATCH1 SPRN_SPRG1
  841. #define SPRN_SPRG_RSCRATCH_CRIT SPRN_SPRG2
  842. #define SPRN_SPRG_WSCRATCH_CRIT SPRN_SPRG2
  843. #define SPRN_SPRG_RSCRATCH2 SPRN_SPRG4R
  844. #define SPRN_SPRG_WSCRATCH2 SPRN_SPRG4W
  845. #define SPRN_SPRG_RSCRATCH3 SPRN_SPRG5R
  846. #define SPRN_SPRG_WSCRATCH3 SPRN_SPRG5W
  847. #define SPRN_SPRG_RSCRATCH_MC SPRN_SPRG1
  848. #define SPRN_SPRG_WSCRATCH_MC SPRN_SPRG1
  849. #define SPRN_SPRG_RSCRATCH4 SPRN_SPRG7R
  850. #define SPRN_SPRG_WSCRATCH4 SPRN_SPRG7W
  851. #ifdef CONFIG_E200
  852. #define SPRN_SPRG_RSCRATCH_DBG SPRN_SPRG6R
  853. #define SPRN_SPRG_WSCRATCH_DBG SPRN_SPRG6W
  854. #else
  855. #define SPRN_SPRG_RSCRATCH_DBG SPRN_SPRG9
  856. #define SPRN_SPRG_WSCRATCH_DBG SPRN_SPRG9
  857. #endif
  858. #define SPRN_SPRG_RVCPU SPRN_SPRG1
  859. #define SPRN_SPRG_WVCPU SPRN_SPRG1
  860. #endif
  861. #ifdef CONFIG_8xx
  862. #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
  863. #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
  864. #endif
  865. /*
  866. * An mtfsf instruction with the L bit set. On CPUs that support this a
  867. * full 64bits of FPSCR is restored and on other CPUs the L bit is ignored.
  868. *
  869. * Until binutils gets the new form of mtfsf, hardwire the instruction.
  870. */
  871. #ifdef CONFIG_PPC64
  872. #define MTFSF_L(REG) \
  873. .long (0xfc00058e | ((0xff) << 17) | ((REG) << 11) | (1 << 25))
  874. #else
  875. #define MTFSF_L(REG) mtfsf 0xff, (REG)
  876. #endif
  877. /* Processor Version Register (PVR) field extraction */
  878. #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
  879. #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
  880. #define __is_processor(pv) (PVR_VER(mfspr(SPRN_PVR)) == (pv))
  881. /*
  882. * IBM has further subdivided the standard PowerPC 16-bit version and
  883. * revision subfields of the PVR for the PowerPC 403s into the following:
  884. */
  885. #define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */
  886. #define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */
  887. #define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */
  888. #define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */
  889. #define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */
  890. #define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */
  891. /* Processor Version Numbers */
  892. #define PVR_403GA 0x00200000
  893. #define PVR_403GB 0x00200100
  894. #define PVR_403GC 0x00200200
  895. #define PVR_403GCX 0x00201400
  896. #define PVR_405GP 0x40110000
  897. #define PVR_476 0x11a52000
  898. #define PVR_476FPE 0x7ff50000
  899. #define PVR_STB03XXX 0x40310000
  900. #define PVR_NP405H 0x41410000
  901. #define PVR_NP405L 0x41610000
  902. #define PVR_601 0x00010000
  903. #define PVR_602 0x00050000
  904. #define PVR_603 0x00030000
  905. #define PVR_603e 0x00060000
  906. #define PVR_603ev 0x00070000
  907. #define PVR_603r 0x00071000
  908. #define PVR_604 0x00040000
  909. #define PVR_604e 0x00090000
  910. #define PVR_604r 0x000A0000
  911. #define PVR_620 0x00140000
  912. #define PVR_740 0x00080000
  913. #define PVR_750 PVR_740
  914. #define PVR_740P 0x10080000
  915. #define PVR_750P PVR_740P
  916. #define PVR_7400 0x000C0000
  917. #define PVR_7410 0x800C0000
  918. #define PVR_7450 0x80000000
  919. #define PVR_8540 0x80200000
  920. #define PVR_8560 0x80200000
  921. #define PVR_VER_E500V1 0x8020
  922. #define PVR_VER_E500V2 0x8021
  923. /*
  924. * For the 8xx processors, all of them report the same PVR family for
  925. * the PowerPC core. The various versions of these processors must be
  926. * differentiated by the version number in the Communication Processor
  927. * Module (CPM).
  928. */
  929. #define PVR_821 0x00500000
  930. #define PVR_823 PVR_821
  931. #define PVR_850 PVR_821
  932. #define PVR_860 PVR_821
  933. #define PVR_8240 0x00810100
  934. #define PVR_8245 0x80811014
  935. #define PVR_8260 PVR_8240
  936. /* 476 Simulator seems to currently have the PVR of the 602... */
  937. #define PVR_476_ISS 0x00052000
  938. /* 64-bit processors */
  939. /* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */
  940. #define PV_NORTHSTAR 0x0033
  941. #define PV_PULSAR 0x0034
  942. #define PV_POWER4 0x0035
  943. #define PV_ICESTAR 0x0036
  944. #define PV_SSTAR 0x0037
  945. #define PV_POWER4p 0x0038
  946. #define PV_970 0x0039
  947. #define PV_POWER5 0x003A
  948. #define PV_POWER5p 0x003B
  949. #define PV_970FX 0x003C
  950. #define PV_POWER6 0x003E
  951. #define PV_POWER7 0x003F
  952. #define PV_630 0x0040
  953. #define PV_630p 0x0041
  954. #define PV_970MP 0x0044
  955. #define PV_970GX 0x0045
  956. #define PV_BE 0x0070
  957. #define PV_PA6T 0x0090
  958. /* Macros for setting and retrieving special purpose registers */
  959. #ifndef __ASSEMBLY__
  960. #define mfmsr() ({unsigned long rval; \
  961. asm volatile("mfmsr %0" : "=r" (rval)); rval;})
  962. #ifdef CONFIG_PPC_BOOK3S_64
  963. #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
  964. : : "r" (v) : "memory")
  965. #define mtmsrd(v) __mtmsrd((v), 0)
  966. #define mtmsr(v) mtmsrd(v)
  967. #else
  968. #define mtmsr(v) asm volatile("mtmsr %0" : \
  969. : "r" ((unsigned long)(v)) \
  970. : "memory")
  971. #endif
  972. #define mfspr(rn) ({unsigned long rval; \
  973. asm volatile("mfspr %0," __stringify(rn) \
  974. : "=r" (rval)); rval;})
  975. #define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : \
  976. : "r" ((unsigned long)(v)) \
  977. : "memory")
  978. #ifdef __powerpc64__
  979. #ifdef CONFIG_PPC_CELL
  980. #define mftb() ({unsigned long rval; \
  981. asm volatile( \
  982. "90: mftb %0;\n" \
  983. "97: cmpwi %0,0;\n" \
  984. " beq- 90b;\n" \
  985. "99:\n" \
  986. ".section __ftr_fixup,\"a\"\n" \
  987. ".align 3\n" \
  988. "98:\n" \
  989. " .llong %1\n" \
  990. " .llong %1\n" \
  991. " .llong 97b-98b\n" \
  992. " .llong 99b-98b\n" \
  993. " .llong 0\n" \
  994. " .llong 0\n" \
  995. ".previous" \
  996. : "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;})
  997. #else
  998. #define mftb() ({unsigned long rval; \
  999. asm volatile("mftb %0" : "=r" (rval)); rval;})
  1000. #endif /* !CONFIG_PPC_CELL */
  1001. #else /* __powerpc64__ */
  1002. #define mftbl() ({unsigned long rval; \
  1003. asm volatile("mftbl %0" : "=r" (rval)); rval;})
  1004. #define mftbu() ({unsigned long rval; \
  1005. asm volatile("mftbu %0" : "=r" (rval)); rval;})
  1006. #endif /* !__powerpc64__ */
  1007. #define mttbl(v) asm volatile("mttbl %0":: "r"(v))
  1008. #define mttbu(v) asm volatile("mttbu %0":: "r"(v))
  1009. #ifdef CONFIG_PPC32
  1010. #define mfsrin(v) ({unsigned int rval; \
  1011. asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \
  1012. rval;})
  1013. #endif
  1014. #define proc_trap() asm volatile("trap")
  1015. #define __get_SP() ({unsigned long sp; \
  1016. asm volatile("mr %0,1": "=r" (sp)); sp;})
  1017. extern unsigned long scom970_read(unsigned int address);
  1018. extern void scom970_write(unsigned int address, unsigned long value);
  1019. struct pt_regs;
  1020. extern void ppc_save_regs(struct pt_regs *regs);
  1021. #endif /* __ASSEMBLY__ */
  1022. #endif /* __KERNEL__ */
  1023. #endif /* _ASM_POWERPC_REG_H */