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nios2: Add usermode binaries emulation

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Add missing bits for qemu-user required for emulating Altera Nios2
userspace binaries.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chris Wulff <crwulff@gmail.com>
Cc: Jeff Da Silva <jdasilva@altera.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Sandra Loosemore <sandra@codesourcery.com>
Cc: Yves Vandervennet <yvanderv@altera.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Message-Id: <20170118220146.489-4-marex@denx.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Marek Vasut 2017-01-18 23:01:42 +01:00 • committed by Richard Henderson
parent 3f0c342309
commit a0a839b65b
11 changed files with 1148 additions and 7 deletions
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37
linux-user/nios2/target_syscall.h Normal file
View file

@ -0,0 +1,37 @@
#ifndef TARGET_SYSCALL_H
#define TARGET_SYSCALL_H
#define UNAME_MACHINE "nios2"
#define UNAME_MINIMUM_RELEASE "3.19.0"
struct target_pt_regs {
unsigned long r8; /* r8-r15 Caller-saved GP registers */
unsigned long r9;
unsigned long r10;
unsigned long r11;
unsigned long r12;
unsigned long r13;
unsigned long r14;
unsigned long r15;
unsigned long r1; /* Assembler temporary */
unsigned long r2; /* Retval LS 32bits */
unsigned long r3; /* Retval MS 32bits */
unsigned long r4; /* r4-r7 Register arguments */
unsigned long r5;
unsigned long r6;
unsigned long r7;
unsigned long orig_r2; /* Copy of r2 ?? */
unsigned long ra; /* Return address */
unsigned long fp; /* Frame pointer */
unsigned long sp; /* Stack pointer */
unsigned long gp; /* Global pointer */
unsigned long estatus;
unsigned long ea; /* Exception return address (pc) */
unsigned long orig_r7;
};
#define TARGET_MINSIGSTKSZ 2048
#define TARGET_MLOCKALL_MCL_CURRENT 1
#define TARGET_MLOCKALL_MCL_FUTURE 2
#endif /* TARGET_SYSCALL_H */