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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2006-08-15 21:02:55 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2006-08-15 21:02:55 +0000 |
commit | 16fd5a99e1a8c433077e70c1a48e42cc01bf7d29 (patch) | |
tree | 72d3d6b2daa4c48f453ac18e32ab20fbaa11d92a /tools/cpu/nios2/memory.c | |
parent | 2006-08-15 Joel Sherrill <joel@OARcorp.com> (diff) | |
download | rtems-16fd5a99e1a8c433077e70c1a48e42cc01bf7d29.tar.bz2 |
2006-08-15 Kolja Waschk <kawk@telos.de>
* linkcmds.c, linkcmds.h, memory.c, memory.h, sample.ptf: New files.
* bridges.c: corrected detection of bridged connections
* clocks.c: removed a printf
* linkcmds.[ch] new files, added output of linker script
* Makefile.am: added new files
* memory.[ch]: new files, detection of memory in SOPC configuration
* nios2gen.c: updated command line parsing and output control
* output.[ch]: improved output of BSP header file
* ptf.[ch]: added ptf_dump_ptf_item and small fixes
* sample.ptf: new file, sample configuration for nios2gen
* README: updated
Diffstat (limited to 'tools/cpu/nios2/memory.c')
-rw-r--r-- | tools/cpu/nios2/memory.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/tools/cpu/nios2/memory.c b/tools/cpu/nios2/memory.c new file mode 100644 index 0000000000..0c35953354 --- /dev/null +++ b/tools/cpu/nios2/memory.c @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2006 Kolja Waschk rtemsdev/ixo.de + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "ptf.h" +#include "devices.h" +#include "memory.h" + +memory_desc *find_memory(device_desc *devices) +{ + struct ptf *p; + struct ptf_item pi; + memory_desc *tmd, *memory; + + /********************************************************/ + /* Check which of the devices are memory, sort by size */ + + if(devices) + { + struct ptf *p, *s; + struct ptf_item pi; + device_desc *dd; + + memory = NULL; + + for(dd = devices; dd; dd=dd->next) + { + p = ptf_find(dd->ptf->sub, &pi, item, "Is_Memory_Device", "1"); + if(p != NULL && pi.level>0) + { + s = pi.item[pi.level-1]; + p = ptf_find(s, &pi, item, "Base_Address", 0); + }; + + if(p != NULL) + { + tmd = (memory_desc*)malloc(sizeof(memory_desc)); + + if(tmd != NULL) + { + tmd->base = strtoul(p->value, 0, 0); + + p = ptf_find(s, &pi, item, "Address_Span", 0); + if(p != 0) + { + tmd->size = strtoul(p->value, 0, 0); + } + else + { + tmd->size = 0; + p = ptf_find(s, &pi, item, "Address_Width", 0); + if(p) tmd->size = 1 << strtoul(p->value, 0, 0); + p = ptf_find(s, &pi, item, "Data_Width", 0); + if(p) tmd->size *= (strtoul(p->value, 0, 0) >> 3); + }; + + if(tmd->size == 0) + { + free(tmd); + } + else + { + tmd->dev = dd; + + if(memory == NULL) + { + tmd->next = NULL; + memory = tmd; + } + else + { + if(tmd->size > memory->size) + { + tmd->next = memory; + memory = tmd; + } + else + { + memory_desc *uplink = memory; + while(uplink->next != NULL && uplink->next->size > tmd->size) uplink=uplink->next; + tmd->next = uplink->next; + uplink->next = tmd; + }; + }; + }; + }; + }; + }; + }; + + return memory; +} + + |