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git://projects.qi-hardware.com/iris.git
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76 lines
1.6 KiB
Plaintext
76 lines
1.6 KiB
Plaintext
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#pypp 0
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#ifndef _KERNEL_HH
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#define _KERNEL_HH
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#define NULL 0
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class Object
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class Page
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class Thread
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class Memory
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struct Object:
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unsigned size
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Object *prev, *next
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struct Page : public Object:
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Page *page_prev, *page_next
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unsigned physical
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struct Thread : public Object:
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struct Cpu:
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unsigned at, v0, v1, a0, a1, a2, a3
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unsigned t0, t1, t2, t3, t4, t5, t6, t7, t8, t9
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unsigned gp, sp, fp, ra, hi, lo, k0, k1, pc
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Cpu cpu
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Thread *thread_prev, *thread_next
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Thread *schedule_prev, *schedule_next
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Memory *address_space
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struct Memory : public Object:
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Memory *memory_prev, *memory_next
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Page *pages
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Thread *threads
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Memory *memories
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unsigned limit, used
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struct Cpu:
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unsigned asid
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Page ***directory
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Cpu cpu
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// Functions which can be called from assembly must not be mangled.
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extern "C":
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// Kernel entry points, called from entry.S.
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void init ()
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Thread *interrupt (Thread *current)
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Thread *cache_error (Thread *current)
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Thread *exception (Thread *current)
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// tlb stuff. tlb_refill is also an entry point.
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void tlb_setup ()
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Thread *tlb_refill (Thread *current, unsigned EntryHi)
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// Start running the idle task for the first time.
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void run_idle (Thread *self)
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// Panic. n is sent over caps led. message is currently ignored.
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void panic (unsigned n, char const *message)
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// Debug: switch caps led
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void led (bool on, bool tick)
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#ifndef EXTERN
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#define EXTERN extern
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#endif
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struct FreePage:
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FreePage *next
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EXTERN FreePage *zero_pages, *junk_pages
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EXTERN Memory top_memory
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EXTERN Thread *sleepers, *runners
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EXTERN Thread idle
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EXTERN Memory idle_memory
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EXTERN Page idle_page
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#endif
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