105 lines
2.6 KiB
Diff
105 lines
2.6 KiB
Diff
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From: Bo YU <tsu.yubo@gmail.com>
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Date: Mon, 27 Jun 2022 20:11:46 +0800
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Subject: add-support-riscv64
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add support for riscv64 arch
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Original reference e2k code for supporting riscv64 arch
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---
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include/libEMF/wine/winnt.h | 75 +++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 75 insertions(+)
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diff --git a/include/libEMF/wine/winnt.h b/include/libEMF/wine/winnt.h
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index 39e2f90..1609f38 100644
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--- a/include/libEMF/wine/winnt.h
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+++ b/include/libEMF/wine/winnt.h
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@@ -69,6 +69,10 @@
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# define WORDS_BIGENDIAN
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# define BITFIELDS_BIGENDIAN
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# undef ALLOW_UNALIGNED_ACCESS
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+#elif defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
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+# undef WORDS_BIGENDIAN
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+# undef BITFIELDS_BIGENDIAN
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+# undef ALLOW_UNALIGNED_ACCESS
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#elif !defined(RC_INVOKED)
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# error Unknown CPU architecture!
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#endif
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@@ -1582,6 +1586,77 @@ typedef struct _CONTEXT {
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#endif /* __e2k__ */
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+#ifdef __riscv && __riscv_xlen==64
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+/*
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+ * FIXME:
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+ *
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+ * There is not yet an official CONTEXT structure defined for the
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+ * riscv64 architecture (64-bit LE), so I just made one up.
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+ *
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+ */
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+
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+#define CONTEXT_RISCV64 0x4000000
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+#define CONTEXT_CONTROL (CONTEXT_RISCV64 | 0x00000001)
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+#define CONTEXT_INTEGER (CONTEXT_RISCV64 | 0x00000002)
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+#define CONTEXT_FLOATING_POINT (CONTEXT_RISCV64 | 0x00000004)
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+#define CONTEXT_DEBUG_REGISTERS (CONTEXT_RISCV64 | 0x00000008)
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+
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+#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER)
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+
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+#define EXCEPTION_READ_FAULT 0
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+#define EXCEPTION_WRITE_FAULT 1
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+#define EXCEPTION_EXECUTE_FAULT 8
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+
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+typedef struct _CONTEXT {
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+ ULONG ContextFlags;
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+
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+ /* This section is specified/returned if the ContextFlags word contains
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+ the flag CONTEXT_INTEGER. */
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+ ULONGLONG X0;
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+ ULONGLONG X1;
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+ ULONGLONG X2;
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+ ULONGLONG X3;
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+ ULONGLONG X4;
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+ ULONGLONG X5;
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+ ULONGLONG X6;
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+ ULONGLONG X7;
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+ ULONGLONG X8;
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+ ULONGLONG X9;
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+ ULONGLONG X10;
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+ ULONGLONG X11;
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+ ULONGLONG X12;
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+ ULONGLONG X13;
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+ ULONGLONG X14;
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+ ULONGLONG X15;
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+ ULONGLONG X16;
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+ ULONGLONG X17;
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+ ULONGLONG X18;
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+ ULONGLONG X19;
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+ ULONGLONG X20;
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+ ULONGLONG X21;
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+ ULONGLONG X22;
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+ ULONGLONG X23;
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+ ULONGLONG X24;
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+ ULONGLONG X25;
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+ ULONGLONG X26;
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+ ULONGLONG X27;
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+ ULONGLONG X28;
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+ ULONGLONG X29;
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+ ULONGLONG X30;
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+ ULONGLONG X31;
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+
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+ /* These are selected by CONTEXT_CONTROL */
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+ ULONGLONG Sp;
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+ ULONGLONG Pc;
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+ ULONGLONG PState;
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+
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+ /* These are selected by CONTEXT_FLOATING_POINT */
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+ /* FIXME */
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+} CONTEXT;
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+
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+#endif /* __riscv64__ */
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+
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+
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#if !defined(CONTEXT_FULL) && !defined(RC_INVOKED)
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#error You need to define a CONTEXT for your CPU
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#endif
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