aboutsummaryrefslogtreecommitdiffstats
path: root/lib/bossac/src/Applet.cpp
blob: 7bba24bb688e538e6059553ccf7b7a1c8f5aa085 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
///////////////////////////////////////////////////////////////////////////////
// BOSSA
//
// Copyright (c) 2011-2018, ShumaTech
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the <organization> nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
///////////////////////////////////////////////////////////////////////////////
#include "Applet.h"

Applet::Applet(Samba& samba,
               uint32_t addr,
               uint8_t* code,
               uint32_t size,
               uint32_t start,
               uint32_t stack,
               uint32_t reset) :
    _samba(samba), _addr(addr), _size(size), _start(start), _stack(stack), _reset(reset)
{
    _samba.write(addr, code, size);
}

void
Applet::setStack(uint32_t stack)
{
    _samba.writeWord(_stack, stack);
}

void
Applet::run()
{
    // Add one to the start address for Thumb mode
    _samba.go(_start + 1);
}

void
Applet::runv()
{
    // Add one to the start address for Thumb mode
    _samba.writeWord(_reset, _start + 1);

    // The stack is the first reset vector
    _samba.go(_stack);
}