fdb6a5cfa3
This is a regression in functionality and performance, but a much better foundation for the future of the project (I think). It can run basic apps under an SSA interpreter but doesn't support some of the features required to do real 360 apps yet.
70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_KERNEL_SHIM_UTILS_H_
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#define XENIA_KERNEL_SHIM_UTILS_H_
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#include <xenia/common.h>
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#include <xenia/core.h>
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#include <alloy/frontend/ppc/ppc_context.h>
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#include <xenia/export_resolver.h>
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#include <xenia/kernel/kernel_module.h>
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namespace xe {
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namespace kernel {
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using PPCContext = alloy::frontend::ppc::PPCContext;
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#define SHIM_CALL void _cdecl
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#define SHIM_SET_MAPPING(library_name, export_name, shim_data) \
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export_resolver->SetFunctionMapping( \
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library_name, ordinals::##export_name, \
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shim_data, \
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(xe_kernel_export_shim_fn)export_name##_shim, \
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NULL);
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#define SHIM_MEM_BASE ppc_state->membase
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#define SHIM_MEM_ADDR(a) (a ? (ppc_state->membase + a) : NULL)
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#define SHIM_MEM_16(a) (uint16_t)XEGETUINT16BE(SHIM_MEM_ADDR(a))
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#define SHIM_MEM_32(a) (uint32_t)XEGETUINT32BE(SHIM_MEM_ADDR(a))
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#define SHIM_MEM_64(a) (uint64_t)XEGETUINT64BE(SHIM_MEM_ADDR(a))
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#define SHIM_SET_MEM_16(a, v) (*(uint16_t*)SHIM_MEM_ADDR(a)) = XESWAP16(v)
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#define SHIM_SET_MEM_32(a, v) (*(uint32_t*)SHIM_MEM_ADDR(a)) = XESWAP32(v)
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#define SHIM_SET_MEM_64(a, v) (*(uint64_t*)SHIM_MEM_ADDR(a)) = XESWAP64(v)
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#define SHIM_GPR_16(n) (uint16_t)(ppc_state->r[n])
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#define SHIM_GPR_32(n) (uint32_t)(ppc_state->r[n])
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#define SHIM_SET_GPR_32(n, v) ppc_state->r[n] = (uint64_t)((v) & UINT32_MAX)
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#define SHIM_GPR_64(n) ppc_state->r[n]
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#define SHIM_SET_GPR_64(n, v) ppc_state->r[n] = (uint64_t)(v)
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#define SHIM_GET_ARG_16(n) SHIM_GPR_16(3 + n)
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#define SHIM_GET_ARG_32(n) SHIM_GPR_32(3 + n)
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#define SHIM_GET_ARG_64(n) SHIM_GPR_64(3 + n)
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#define SHIM_SET_RETURN(v) SHIM_SET_GPR_64(3, v)
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#define IMPL_MEM_ADDR(a) (a ? state->memory()->Translate(a) : NULL)
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#define IMPL_MEM_16(a) (uint16_t)XEGETUINT16BE(IMPL_MEM_ADDR(a))
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#define IMPL_MEM_32(a) (uint32_t)XEGETUINT32BE(IMPL_MEM_ADDR(a))
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#define IMPL_SET_MEM_16(a, v) (*(uint16_t*)IMPL_MEM_ADDR(a)) = XESWAP16(v)
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#define IMPL_SET_MEM_32(a, v) (*(uint32_t*)IMPL_MEM_ADDR(a)) = XESWAP32(v)
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} // namespace kernel
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} // namespace xe
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#endif // XENIA_KERNEL_SHIM_UTILS_H_
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