romutil.py (5913:f2bfe08dc873) romutil.py (5948:871fccb3fb7a)
1# Copyright (c) 2008 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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94 br rom_local_label("%(startLabel)s_cplStackSwitch"), flags=(nCEZF,)
95
96 # If we're here, it's because the stack isn't being switched.
97 # Set t6 to the new aligned rsp.
98 mov t6, t6, rsp, dataSize=8
99 br rom_local_label("%(startLabel)s_stackSwitched")
100
101%(startLabel)s_istStackSwitch:
1# Copyright (c) 2008 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

--- 85 unchanged lines hidden (view full) ---

94 br rom_local_label("%(startLabel)s_cplStackSwitch"), flags=(nCEZF,)
95
96 # If we're here, it's because the stack isn't being switched.
97 # Set t6 to the new aligned rsp.
98 mov t6, t6, rsp, dataSize=8
99 br rom_local_label("%(startLabel)s_stackSwitched")
100
101%(startLabel)s_istStackSwitch:
102 panic "IST based stack switching isn't implemented"
102 ld t6, tr, [8, t12, t0], 0x1c, dataSize=8, addressSize=8, atCPL0=True
103 br rom_local_label("%(startLabel)s_stackSwitched")
104
105%(startLabel)s_cplStackSwitch:
106 # Get the new rsp from the TSS
107 ld t6, tr, [8, t10, t0], 4, dataSize=8, addressSize=8, atCPL0=True
108
109%(startLabel)s_stackSwitched:
110

--- 102 unchanged lines hidden --- 		103 br rom_local_label("%(startLabel)s_stackSwitched")
104
105%(startLabel)s_cplStackSwitch:
106 # Get the new rsp from the TSS
107 ld t6, tr, [8, t10, t0], 4, dataSize=8, addressSize=8, atCPL0=True
108
109%(startLabel)s_stackSwitched:
110

--- 102 unchanged lines hidden ---