66 lines
2.2 KiB
Diff
66 lines
2.2 KiB
Diff
From ca4845920d6587c5568d3ad294d17bbd9d9aa486 Mon Sep 17 00:00:00 2001
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From: wang--ge <wang__ge@126.com>
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Date: Thu, 1 Jun 2023 09:47:40 +0800
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Subject: [PATCH] add loongarch64 architecture support
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---
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.../platform/switch_loongarch64_linux.h | 31 +++++++++++++++++++
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src/greenlet/slp_platformselect.h | 2 ++
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2 files changed, 33 insertions(+)
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create mode 100644 src/greenlet/platform/switch_loongarch64_linux.h
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diff --git a/src/greenlet/platform/switch_loongarch64_linux.h b/src/greenlet/platform/switch_loongarch64_linux.h
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new file mode 100644
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index 0000000..4252561
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--- /dev/null
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+++ b/src/greenlet/platform/switch_loongarch64_linux.h
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@@ -0,0 +1,31 @@
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+#define STACK_REFPLUS 1
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+
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+#ifdef SLP_EVAL
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+#define STACK_MAGIC 0
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+
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+#define REGS_TO_SAVE "s0", "s1", "s2", "s3", "s4", "s5", \
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+ "s6", "s7", "s8", "fp", \
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+ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"
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+
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+static int
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+slp_switch(void)
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+{
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+ register int ret;
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+ register long *stackref, stsizediff;
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+ __asm__ volatile ("" : : : REGS_TO_SAVE);
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+ __asm__ volatile ("move %0, $sp" : "=r" (stackref) : );
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+ {
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+ SLP_SAVE_STATE(stackref, stsizediff);
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+ __asm__ volatile (
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+ "add.d $sp, $sp, %0\n\t"
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+ : /* no outputs */
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+ : "r" (stsizediff)
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+ );
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+ SLP_RESTORE_STATE();
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+ }
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+ __asm__ volatile ("" : : : REGS_TO_SAVE);
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+ __asm__ volatile ("move %0, $zero" : "=r" (ret) : );
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+ return ret;
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+}
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+
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+#endif
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\ No newline at end of file
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diff --git a/src/greenlet/slp_platformselect.h b/src/greenlet/slp_platformselect.h
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index b6a3e70..d71db10 100644
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--- a/src/greenlet/slp_platformselect.h
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+++ b/src/greenlet/slp_platformselect.h
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@@ -49,6 +49,8 @@ extern "C" {
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#endif
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#elif defined(__GNUC__) && defined(__mips__) && defined(__linux__)
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#include "platform/switch_mips_unix.h" /* Linux/MIPS */
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+#elif defined(__GNUC__) && defined(__loongarch64) && defined(__linux__)
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+#include "platform/switch_loongarch64_linux.h" /* Linux/LoongArch64 */
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#elif defined(__GNUC__) && defined(__aarch64__)
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#include "platform/switch_aarch64_gcc.h" /* Aarch64 ABI */
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#elif defined(__GNUC__) && defined(__mc68000__)
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--
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2.33.0
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