forked from Imagelibrary/seL4
a221ee1ca8
Introduced a new config flag to enable userError format strings to be written to the IPC buffer. Another config bool has been introduced to toggle printing the error out and this can also be set at runtime. Signed-off-by: Saer Debel <saer.debel@data61.csiro.au>
104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
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* Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#ifdef HAVE_AUTOCONF
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#include <autoconf.h>
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#endif
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#ifndef __ASSEMBLER__
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#define LIBSEL4_BIT(n) (1ul<<(n))
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#ifdef CONFIG_HARDWARE_DEBUG_API
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/* API arg values for breakpoint API, "type" arguments. */
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typedef enum {
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seL4_DataBreakpoint = 0,
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seL4_InstructionBreakpoint,
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seL4_SingleStep,
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seL4_SoftwareBreakRequest,
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SEL4_FORCE_LONG_ENUM(seL4_BreakpointType)
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} seL4_BreakpointType;
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/* API arg values for breakpoint API, "access" arguments. */
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typedef enum {
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seL4_BreakOnRead = 0,
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seL4_BreakOnWrite,
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seL4_BreakOnReadWrite,
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seL4_MaxBreakpointAccess,
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SEL4_FORCE_LONG_ENUM(seL4_BreakpointAccess)
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} seL4_BreakpointAccess;
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/* Format of a debug-exception message. */
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enum {
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seL4_DebugException_FaultIP,
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seL4_DebugException_ExceptionReason,
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seL4_DebugException_TriggerAddress,
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seL4_DebugException_BreakpointNumber,
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seL4_DebugException_Length,
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SEL4_FORCE_LONG_ENUM(seL4_DebugException_Msg)
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} seL4_DebugException_Msg;
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#endif
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enum priorityConstants {
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seL4_InvalidPrio = -1,
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seL4_MinPrio = 0,
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seL4_MaxPrio = CONFIG_NUM_PRIORITIES - 1
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};
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/* seL4_MessageInfo_t defined in api/shared_types.bf */
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enum seL4_MsgLimits {
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seL4_MsgLengthBits = 7,
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seL4_MsgExtraCapBits = 2
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};
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enum {
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seL4_MsgMaxLength = 120,
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};
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#define seL4_MsgMaxExtraCaps (LIBSEL4_BIT(seL4_MsgExtraCapBits)-1)
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/* seL4_CapRights_t defined in shared_types_*.bf */
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#define seL4_CapRightsBits 4
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typedef enum {
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seL4_NoFailure = 0,
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seL4_InvalidRoot,
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seL4_MissingCapability,
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seL4_DepthMismatch,
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seL4_GuardMismatch,
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SEL4_FORCE_LONG_ENUM(seL4_LookupFailureType),
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} seL4_LookupFailureType;
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#endif /* !__ASSEMBLER__ */
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#ifdef CONFIG_KERNEL_MCS
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/* Minimum size of a scheduling context (2^{n} bytes) */
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#define seL4_MinSchedContextBits 8
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#ifndef __ASSEMBLER__
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/* the size of a scheduling context, excluding extra refills */
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#define seL4_CoreSchedContextBytes (10 * sizeof(seL4_Word) + (6 * 8))
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/* the size of a single extra refill */
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#define seL4_RefillSizeBytes (2 * 8)
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/*
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* @brief Calculate the max extra refills a scheduling context can contain for a specific size.
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*
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* @param size of the schedulding context. Must be >= seL4_MinSchedContextBits
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* @return the max number of extra refills that can be passed to seL4_SchedControl_Configure for
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* this scheduling context
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*/
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static inline seL4_Word seL4_MaxExtraRefills(seL4_Word size)
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{
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return (LIBSEL4_BIT(size) - seL4_CoreSchedContextBytes) / seL4_RefillSizeBytes;
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}
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#endif /* !__ASSEMBLER__ */
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#endif /* CONFIG_KERNEL_MCS */
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#ifdef CONFIG_KERNEL_INVOCATION_REPORT_ERROR_IPC
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#define DEBUG_MESSAGE_START 6
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#define DEBUG_MESSAGE_MAXLEN 50
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#endif
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