FreeCalypso > hg > fc-magnetite
view src/gpf2/osl/os_mem_ir.c @ 581:a0a45c5eb3ef
gsmcomp.c: bumping trace partition size to 220 like in gprscomp.c
This change is safe in terms of RAM usage because all of these partition
pools have already been moved from XRAM to IRAM earlier, and our IRAM
usage in VO configs is currently quite low - the one near the limit
is XRAM on C11x.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Tue, 29 Jan 2019 03:52:49 +0000 |
parents | e9bdc8184d50 |
children |
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/* * This C module is a reconstruction based on the disassembly of * os_mem.obj in frame_na7_db_ir.lib from the Leonardo package. */ /* set of included headers from COFF symtab: */ #include <stdio.h> #include <string.h> #include "nucleus.h" #include "typedefs.h" #include "os.h" #include "gdi.h" #include "os_types.h" #include "os_glob.h" extern T_OS_PART_GRP_TABLE_ENTRY PartGrpTable[]; extern T_OS_POOL_BORDER PoolBorder[]; GLOBAL LONG os_is_valid_partition(T_VOID_STRUCT *Buffer) { int i; for (i = 0; i <= MaxPoolGroups; i++) { if (PoolBorder[i].End == 0) return(OS_ERROR); if ((char *)Buffer < PoolBorder[i].Start) continue; if ((char *)Buffer >= PoolBorder[i].End) continue; return(OS_OK); } return(OS_ERROR); } GLOBAL LONG os_PartitionCheck(ULONG *ptr) { PM_HEADER *phdr; PM_PCB *pool; phdr = (PM_HEADER *)(ptr - 2); if (phdr->pm_next_available) return(OS_PARTITION_FREE); pool = phdr->pm_partition_pool; if (ptr[(pool->pm_partition_size - 4) >> 2] == GUARD_PATTERN) return(OS_OK); else return(OS_PARTITION_GUARD_PATTERN_DESTROYED); } GLOBAL LONG os_DeallocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT *Buffer) { if (os_is_valid_partition(Buffer) != OS_OK) return(OS_ERROR); if (NU_Deallocate_Partition(Buffer) != NU_SUCCESS) return(OS_ERROR); return(OS_OK); } GLOBAL LONG os_AllocatePartition(OS_HANDLE TaskHandle, T_VOID_STRUCT **Buffer, ULONG Size, ULONG Suspend, OS_HANDLE GroupHandle) { T_OS_PART_POOL *pool, *requested_pool; ULONG nu_suspend; STATUS sts; int ret; for (pool = PartGrpTable[GroupHandle].grp_head; pool; pool = pool->next) if (Size <= pool->size) break; if (!pool) return(OS_ERROR); requested_pool = pool; ret = OS_OK; nu_suspend = NU_NO_SUSPEND; try_alloc: sts = NU_Allocate_Partition(&pool->pcb, (VOID **) Buffer, nu_suspend); switch (sts) { case NU_SUCCESS: return(ret); case NU_TIMEOUT: case NU_INVALID_SUSPEND: *Buffer = 0; return(OS_TIMEOUT); case NU_NO_PARTITION: pool = pool->next; if (pool) { ret = OS_ALLOCATED_BIGGER; goto try_alloc; } pool = requested_pool; if (Suspend) { nu_suspend = Suspend; ret = OS_WAITED; goto try_alloc; } return(OS_TIMEOUT); default: *Buffer = 0; return(OS_ERROR); } }