[v2] bsd-user: arm (32-bit) support

[PATCH v2 20/30] bsd-user/arm/target_arch_signal.h: arm machine context for signals

Posted by Warner Losh 4 years, 3 months ago

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
 bsd-user/arm/target_arch_signal.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/bsd-user/arm/target_arch_signal.h b/bsd-user/arm/target_arch_signal.h
index 973183d99c..3aaced474b 100644
--- a/bsd-user/arm/target_arch_signal.h
+++ b/bsd-user/arm/target_arch_signal.h
@@ -54,4 +54,24 @@
 #define TARGET_MINSIGSTKSZ  (1024 * 4)                  /* min sig stack size */
 #define TARGET_SIGSTKSZ     (TARGET_MINSIGSTKSZ + 32768)  /* recommended size */
 
+/*
+ * Floating point register state
+ */
+typedef struct target_mcontext_vfp {
+    abi_ullong  mcv_reg[32];
+    abi_ulong   mcv_fpscr;
+} target_mcontext_vfp_t;
+
+typedef struct target_mcontext {
+    uint32_t    __gregs[32];
+
+    /*
+     * Originally, rest of this structure was named __fpu, 35 * 4 bytes
+     * long, never accessed from kernel.
+     */
+    abi_long    mc_vfp_size;
+    abi_ptr     *mc_vfp_ptr;
+    abi_int     mc_spare[33];
+} target_mcontext_t;
+
 #endif /* !_TARGET_ARCH_SIGNAL_H_ */
-- 
2.33.0

Re: [PATCH v2 20/30] bsd-user/arm/target_arch_signal.h: arm machine context for signals

Posted by Richard Henderson 4 years, 3 months ago

On 11/2/21 6:52 PM, Warner Losh wrote:
> Signed-off-by: Stacey Son<sson@FreeBSD.org>
> Signed-off-by: Kyle Evans<kevans@FreeBSD.org>
> Signed-off-by: Warner Losh<imp@bsdimp.com>
> ---
>   bsd-user/arm/target_arch_signal.h | 20 ++++++++++++++++++++
>   1 file changed, 20 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~