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authorKeith Packard <keithp@keithp.com>2021-01-08 22:42:52 +0000
committerAlex Bennée <alex.bennee@linaro.org>2021-01-18 10:05:06 +0000
commita10b9d93ecea0a8f01eb6de56274b1bcb101083b (patch)
tree24d8b952a691501fa22791881425539e33535d5a /linux-user/qemu.h
parent095f8c029319b79cce487e3b566cd826b93da3e6 (diff)
downloadfocaccia-qemu-a10b9d93ecea0a8f01eb6de56274b1bcb101083b.tar.gz
focaccia-qemu-a10b9d93ecea0a8f01eb6de56274b1bcb101083b.zip
riscv: Add semihosting support
Adapt the arm semihosting support code for RISCV. This implementation
is based on the standard for RISC-V semihosting version 0.2 as
documented in

   https://github.com/riscv/riscv-semihosting-spec/releases/tag/0.2

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20210107170717.2098982-6-keithp@keithp.com>
Message-Id: <20210108224256.2321-17-alex.bennee@linaro.org>
Diffstat (limited to 'linux-user/qemu.h')
-rw-r--r--linux-user/qemu.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/linux-user/qemu.h b/linux-user/qemu.h
index 534753ca12..17aa992165 100644
--- a/linux-user/qemu.h
+++ b/linux-user/qemu.h
@@ -109,6 +109,8 @@ typedef struct TaskState {
     /* FPA state */
     FPA11 fpa;
 # endif
+#endif
+#if defined(TARGET_ARM) || defined(TARGET_RISCV)
     int swi_errno;
 #endif
 #if defined(TARGET_I386) && !defined(TARGET_X86_64)
@@ -122,7 +124,7 @@ typedef struct TaskState {
 #ifdef TARGET_M68K
     abi_ulong tp_value;
 #endif
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
+#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_RISCV)
     /* Extra fields for semihosted binaries.  */
     abi_ulong heap_base;
     abi_ulong heap_limit;