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; =============================================================================
; kdata.asm - kernel globals in fixed WRAM0 (always mapped, never swapped)
; =============================================================================
INCLUDE "include/gbos.inc"
SECTION "kernel_bss", WRAM0[$C000]
wProcTable:: DS MAX_PROCS * PROC_SIZE ; the process table
wCurProc:: DS 2 ; pointer to running PCB
wCurPid:: DS 1 ; running pid (reserved)
wNextPid:: DS 1 ; pid allocator
wSchedNext:: DS 1 ; round-robin cursor (slot index)
wKernelPCB:: DS PROC_SIZE ; outgoing-context holder for 1st switch
; (kernel/idle context; never resumed)
; scratch used by ProcCreate
wTmpEntry:: DS 2
wTmpRamB:: DS 1
wTmpWramB:: DS 1
wTmpSlot:: DS 1
wTmpPid:: DS 1
wTmpSP:: DS 2
; cart-RAM bank allocator (bump; bank 0 taken by the init task)
wNextRamBank:: DS 1
; scratch used by sys_fork
wForkUserSP:: DS 2 ; parent user SP at fork entry (= Uafter)
wForkChildSlot:: DS 1
wForkChildPid:: DS 1
wForkParentBank::DS 1
wForkChildBank:: DS 1
wCopyBuf:: DS 256 ; bank-copy bounce buffer (WRAM0, always mapped)
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