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fix byte order bug with dispatch table.

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This commit is contained in:
Kelvin Sherlock 2015-03-14 11:05:59 -04:00
parent f52331035a
commit dd460a21eb
1 changed files with 19 additions and 4 deletions
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23
toolbox/dispatch.cpp
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@ -98,6 +98,20 @@ namespace {
return trap & 0x0600; return trap & 0x0600;
} }
#if BYTE_ORDER == LITTLE_ENDIAN
inline constexpr uint16_t host_to_big_endian_16(uint16_t x)
{
return __builtin_bswap16(x);
}
#endif
#if BYTE_ORDER == BIG_ENDIAN
inline constexpr uint16_t host_to_big_endian_16(uint16_t x)
{
return x;
}
#endif
} }
namespace OS { namespace OS {
@ -323,6 +337,7 @@ namespace OS {
} }
} }
namespace ToolBox { namespace ToolBox {
@ -340,13 +355,13 @@ namespace ToolBox {
uint16_t *code = (uint16_t *)memoryPointer(ToolGlue); uint16_t *code = (uint16_t *)memoryPointer(ToolGlue);
for (unsigned i = 0; i < 1024; ++i) { for (unsigned i = 0; i < 1024; ++i) {
*code++ = 0xafff; *code++ = host_to_big_endian_16(0xafff);
*code++ = 0xa800 | i; *code++ = host_to_big_endian_16(0xa800 | i);
} }
for (unsigned i = 0; i < 256; ++i) { for (unsigned i = 0; i < 256; ++i) {
*code++ = 0xafff; *code++ = host_to_big_endian_16(0xafff);
*code++ = 0xa000 | i; *code++ = host_to_big_endian_16(0xa000 | i);
} }
// os return code... pull registers, TST.W d0, etc. // os return code... pull registers, TST.W d0, etc.