From d751cecbb1ca1b7ac0a7bc8492e0e61e6c5fc0c7 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 17 May 2011 20:39:40 +0000 Subject: * tools/build/.cvsignore, tools/build/ChangeLog, tools/build/Makefile.am, tools/build/README, tools/build/binpatch.c, tools/build/cklength.c, tools/build/config.h.in, tools/build/configure.ac, tools/build/cvsignore-add.sh, tools/build/doxy-filter, tools/build/eolstrip.c, tools/build/install-if-change.in, tools/build/multigen, tools/build/packhex.c, tools/build/rtems-bin2c.c, tools/build/search-id.sh, tools/build/unhex.c, tools/cpu/.cvsignore, tools/cpu/ChangeLog, tools/cpu/Makefile.am, tools/cpu/configure.ac, tools/cpu/generic/.cvsignore, tools/cpu/generic/ChangeLog, tools/cpu/generic/Makefile.am, tools/cpu/generic/configure.ac, tools/cpu/generic/size_rtems.in, tools/cpu/nios2/.cvsignore, tools/cpu/nios2/ChangeLog, tools/cpu/nios2/Makefile.am, tools/cpu/nios2/README, tools/cpu/nios2/bridges.c, tools/cpu/nios2/bridges.h, tools/cpu/nios2/clocks.c, tools/cpu/nios2/clocks.h, tools/cpu/nios2/configure.ac, tools/cpu/nios2/devices.c, tools/cpu/nios2/devices.h, tools/cpu/nios2/linkcmds.c, tools/cpu/nios2/linkcmds.h, tools/cpu/nios2/memory.c, tools/cpu/nios2/memory.h, tools/cpu/nios2/nios2gen.c, tools/cpu/nios2/output.c, tools/cpu/nios2/output.h, tools/cpu/nios2/ptf.c, tools/cpu/nios2/ptf.h, tools/cpu/nios2/sample.ptf, tools/cpu/sh/.cvsignore, tools/cpu/sh/AUTHORS, tools/cpu/sh/COPYING, tools/cpu/sh/ChangeLog, tools/cpu/sh/Makefile.am, tools/cpu/sh/TODO, tools/cpu/sh/configure.ac, tools/cpu/sh/sci.c, tools/cpu/sh/sci.h, tools/cpu/sh/shgen.c: New files. --- tools/cpu/nios2/memory.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 tools/cpu/nios2/memory.c (limited to 'tools/cpu/nios2/memory.c') diff --git a/tools/cpu/nios2/memory.c b/tools/cpu/nios2/memory.c new file mode 100644 index 0000000000..c697e15430 --- /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 +#include +#include + +#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; +} + + -- cgit v1.2.3