2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #ifndef __SPARC_PROCESS_HH__
33 #define __SPARC_PROCESS_HH__
39 #include "arch/sparc/isa_traits.hh"
40 #include "base/loader/object_file.hh"
41 #include "mem/page_table.hh"
42 #include "sim/byteswap.hh"
43 #include "sim/process.hh"
45 class SparcProcess : public Process
51 // The locations of the fill and spill handlers
52 Addr fillStart, spillStart;
54 SparcProcess(ProcessParams * params, ObjectFile *objFile,
59 template<class IntType>
60 void argsInit(int pageSize);
64 // Handles traps which request services from the operating system
65 virtual void handleTrap(int trapNum, ThreadContext *tc, Fault *fault);
67 Addr readFillStart() { return fillStart; }
68 Addr readSpillStart() { return spillStart; }
70 virtual void flushWindows(ThreadContext *tc) = 0;
71 void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
74 class Sparc32Process : public SparcProcess
78 Sparc32Process(ProcessParams * params, ObjectFile *objFile)
79 : SparcProcess(params, objFile, 0)
81 Addr brk_point = objFile->dataBase() + objFile->dataSize() +
83 brk_point = roundUp(brk_point, SparcISA::PageBytes);
85 // Reserve 8M for main stack.
86 Addr max_stack_size = 8 * 1024 * 1024;
88 // Set up stack. On SPARC Linux, stack goes from the top of memory
89 // downward, less the hole for the kernel address space.
90 Addr stack_base = 0xf0000000ULL;
92 // Set pointer for next thread stack.
93 Addr next_thread_stack_base = stack_base - max_stack_size;
95 // Set up region for mmaps.
96 Addr mmap_end = 0x70000000;
98 memState = std::make_shared<MemState>(brk_point, stack_base,
100 next_thread_stack_base,
108 void argsInit(int intSize, int pageSize);
110 void flushWindows(ThreadContext *tc);
112 RegVal getSyscallArg(ThreadContext *tc, int &i);
113 /// Explicitly import the otherwise hidden getSyscallArg
114 using Process::getSyscallArg;
116 void setSyscallArg(ThreadContext *tc, int i, RegVal val);
119 class Sparc64Process : public SparcProcess
123 Sparc64Process(ProcessParams * params, ObjectFile *objFile)
124 : SparcProcess(params, objFile, 2047)
126 Addr brk_point = objFile->dataBase() + objFile->dataSize() +
128 brk_point = roundUp(brk_point, SparcISA::PageBytes);
130 Addr max_stack_size = 8 * 1024 * 1024;
132 // Set up stack. On SPARC Linux, stack goes from the top of memory
133 // downward, less the hole for the kernel address space.
134 Addr stack_base = 0x80000000000ULL;
136 // Set pointer for next thread stack. Reserve 8M for main stack.
137 Addr next_thread_stack_base = stack_base - max_stack_size;
139 // Set up region for mmaps.
140 Addr mmap_end = 0xfffff80000000000ULL;
142 memState = std::make_shared<MemState>(brk_point, stack_base,
144 next_thread_stack_base,
152 void argsInit(int intSize, int pageSize);
154 void flushWindows(ThreadContext *tc);
156 RegVal getSyscallArg(ThreadContext *tc, int &i);
157 /// Explicitly import the otherwise hidden getSyscallArg
158 using Process::getSyscallArg;
160 void setSyscallArg(ThreadContext *tc, int i, RegVal val);
163 #endif // __SPARC_PROCESS_HH__