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[v9,70/84] linux-user: Add target_syscall.h header for nanoMIPS

Message ID 1534431497-1385-71-git-send-email-aleksandar.markovic@rt-rk.com
State New
Headers show
Series Add nanoMIPS support to QEMU | expand

Commit Message

Aleksandar Markovic Aug. 16, 2018, 2:58 p.m. UTC 
From: Aleksandar Rikalo <arikalo@wavecomp.com>

Add target_syscall.h header for nanoMIPS.

Signed-off-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
---
 linux-user/nanomips/target_syscall.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 linux-user/nanomips/target_syscall.h
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Patch

diff --git a/linux-user/nanomips/target_syscall.h b/linux-user/nanomips/target_syscall.h
new file mode 100644
index 0000000..b40e36b
--- /dev/null
+++ b/linux-user/nanomips/target_syscall.h
@@ -0,0 +1,30 @@ 
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct target_pt_regs {
+    /* Pad bytes for argument save space on the stack. */
+    abi_ulong pad0[6];
+
+    /* Saved main processor registers. */
+    abi_ulong regs[32];
+
+    /* Saved special registers. */
+    abi_ulong cp0_status;
+    abi_ulong lo;
+    abi_ulong hi;
+    abi_ulong cp0_badvaddr;
+    abi_ulong cp0_cause;
+    abi_ulong cp0_epc;
+};
+
+/* Nasty hack: define a fake errno value for use by sigreturn.  */
+#undef TARGET_QEMU_ESIGRETURN
+#define TARGET_QEMU_ESIGRETURN 255
+
+#define UNAME_MACHINE "nanomips"
+#define UNAME_MINIMUM_RELEASE "2.6.32"
+
+#define TARGET_CLONE_BACKWARDS
+#define TARGET_MINSIGSTKSZ 6144
+#define TARGET_MLOCKALL_MCL_CURRENT 1
+#define TARGET_MLOCKALL_MCL_FUTURE  2