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120 lines
3.3 KiB
120 lines
3.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright IBM Corp. 1999, 2009 |
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* |
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* Author(s): Martin Schwidefsky <[email protected]> |
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*/ |
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#ifndef __ASM_CTL_REG_H |
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#define __ASM_CTL_REG_H |
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#include <linux/bits.h> |
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#define CR0_CLOCK_COMPARATOR_SIGN BIT(63 - 10) |
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#define CR0_LOW_ADDRESS_PROTECTION BIT(63 - 35) |
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#define CR0_EMERGENCY_SIGNAL_SUBMASK BIT(63 - 49) |
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#define CR0_EXTERNAL_CALL_SUBMASK BIT(63 - 50) |
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#define CR0_CLOCK_COMPARATOR_SUBMASK BIT(63 - 52) |
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#define CR0_CPU_TIMER_SUBMASK BIT(63 - 53) |
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#define CR0_SERVICE_SIGNAL_SUBMASK BIT(63 - 54) |
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#define CR0_UNUSED_56 BIT(63 - 56) |
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#define CR0_INTERRUPT_KEY_SUBMASK BIT(63 - 57) |
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#define CR0_MEASUREMENT_ALERT_SUBMASK BIT(63 - 58) |
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#define CR2_GUARDED_STORAGE BIT(63 - 59) |
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#define CR14_UNUSED_32 BIT(63 - 32) |
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#define CR14_UNUSED_33 BIT(63 - 33) |
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#define CR14_CHANNEL_REPORT_SUBMASK BIT(63 - 35) |
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#define CR14_RECOVERY_SUBMASK BIT(63 - 36) |
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#define CR14_DEGRADATION_SUBMASK BIT(63 - 37) |
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#define CR14_EXTERNAL_DAMAGE_SUBMASK BIT(63 - 38) |
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#define CR14_WARNING_SUBMASK BIT(63 - 39) |
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#ifndef __ASSEMBLY__ |
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#include <linux/bug.h> |
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#define __ctl_load(array, low, high) do { \ |
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typedef struct { char _[sizeof(array)]; } addrtype; \ |
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\ |
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BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\ |
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asm volatile( \ |
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" lctlg %1,%2,%0\n" \ |
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: \ |
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: "Q" (*(addrtype *)(&array)), "i" (low), "i" (high) \ |
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: "memory"); \ |
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} while (0) |
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#define __ctl_store(array, low, high) do { \ |
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typedef struct { char _[sizeof(array)]; } addrtype; \ |
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\ |
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BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\ |
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asm volatile( \ |
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" stctg %1,%2,%0\n" \ |
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: "=Q" (*(addrtype *)(&array)) \ |
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: "i" (low), "i" (high)); \ |
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} while (0) |
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static __always_inline void __ctl_set_bit(unsigned int cr, unsigned int bit) |
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{ |
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unsigned long reg; |
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__ctl_store(reg, cr, cr); |
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reg |= 1UL << bit; |
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__ctl_load(reg, cr, cr); |
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} |
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static __always_inline void __ctl_clear_bit(unsigned int cr, unsigned int bit) |
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{ |
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unsigned long reg; |
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__ctl_store(reg, cr, cr); |
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reg &= ~(1UL << bit); |
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__ctl_load(reg, cr, cr); |
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} |
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void smp_ctl_set_bit(int cr, int bit); |
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void smp_ctl_clear_bit(int cr, int bit); |
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union ctlreg0 { |
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unsigned long val; |
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struct { |
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unsigned long : 8; |
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unsigned long tcx : 1; /* Transactional-Execution control */ |
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unsigned long pifo : 1; /* Transactional-Execution Program- |
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Interruption-Filtering Override */ |
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unsigned long : 22; |
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unsigned long : 3; |
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unsigned long lap : 1; /* Low-address-protection control */ |
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unsigned long : 4; |
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unsigned long edat : 1; /* Enhanced-DAT-enablement control */ |
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unsigned long : 2; |
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unsigned long iep : 1; /* Instruction-Execution-Protection */ |
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unsigned long : 1; |
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unsigned long afp : 1; /* AFP-register control */ |
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unsigned long vx : 1; /* Vector enablement control */ |
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unsigned long : 7; |
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unsigned long sssm : 1; /* Service signal subclass mask */ |
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unsigned long : 9; |
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}; |
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}; |
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union ctlreg2 { |
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unsigned long val; |
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struct { |
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unsigned long : 33; |
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unsigned long ducto : 25; |
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unsigned long : 1; |
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unsigned long gse : 1; |
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unsigned long : 1; |
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unsigned long tds : 1; |
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unsigned long tdc : 2; |
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}; |
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}; |
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#define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit) |
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#define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit) |
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#endif /* __ASSEMBLY__ */ |
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#endif /* __ASM_CTL_REG_H */
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