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4ce6243dc6
Linux manages to have three separate orderings of the arguments to the clone() syscall on different architectures. In the kernel these are selected via CONFIG_CLONE_BACKWARDS and CONFIG_CLONE_BACKWARDS2. Clean up our implementation of this to use similar #define names rather than a TARGET_* ifdef ladder. This includes behaviour changes fixing bugs on cris, x86-64, m68k, openrisc and unicore32. cris had explicit but wrong handling; the others were just incorrectly using QEMU's default, which happened to be the equivalent of CONFIG_CLONE_BACKWARDS. (unicore32 appears to be broken in the mainline kernel in that it tries to use arg3 for both parent_tidptr and newtls simultaneously -- we don't attempt to emulate this bug...) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#ifndef MICROBLAZE_SYSCALLS_H
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#define MICROBLAZE_SYSCALLS_H 1
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#define UNAME_MACHINE "microblaze"
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/* We use microblaze_reg_t to keep things similar to the kernel sources. */
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typedef uint32_t microblaze_reg_t;
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struct target_pt_regs {
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microblaze_reg_t r0;
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microblaze_reg_t r1;
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microblaze_reg_t r2;
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microblaze_reg_t r3;
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microblaze_reg_t r4;
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microblaze_reg_t r5;
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microblaze_reg_t r6;
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microblaze_reg_t r7;
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microblaze_reg_t r8;
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microblaze_reg_t r9;
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microblaze_reg_t r10;
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microblaze_reg_t r11;
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microblaze_reg_t r12;
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microblaze_reg_t r13;
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microblaze_reg_t r14;
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microblaze_reg_t r15;
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microblaze_reg_t r16;
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microblaze_reg_t r17;
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microblaze_reg_t r18;
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microblaze_reg_t r19;
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microblaze_reg_t r20;
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microblaze_reg_t r21;
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microblaze_reg_t r22;
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microblaze_reg_t r23;
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microblaze_reg_t r24;
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microblaze_reg_t r25;
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microblaze_reg_t r26;
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microblaze_reg_t r27;
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microblaze_reg_t r28;
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microblaze_reg_t r29;
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microblaze_reg_t r30;
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microblaze_reg_t r31;
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microblaze_reg_t pc;
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microblaze_reg_t msr;
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microblaze_reg_t ear;
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microblaze_reg_t esr;
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microblaze_reg_t fsr;
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uint32_t kernel_mode;
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};
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#define TARGET_CLONE_BACKWARDS
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#endif
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