mirror of https://github.com/xemu-project/xemu.git
42 lines
981 B
C
42 lines
981 B
C
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#include "sysemu.h"
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#include "cpu.h"
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#include "qemu-char.h"
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#include "hw/spapr.h"
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spapr_hcall_fn hypercall_table[(MAX_HCALL_OPCODE / 4) + 1];
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void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn)
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{
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spapr_hcall_fn old_fn;
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assert(opcode <= MAX_HCALL_OPCODE);
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assert((opcode & 0x3) == 0);
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old_fn = hypercall_table[opcode / 4];
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assert(!old_fn || (fn == old_fn));
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hypercall_table[opcode / 4] = fn;
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}
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target_ulong spapr_hypercall(CPUState *env, target_ulong opcode,
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target_ulong *args)
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{
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if (msr_pr) {
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hcall_dprintf("Hypercall made with MSR[PR]=1\n");
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return H_PRIVILEGE;
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}
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if ((opcode <= MAX_HCALL_OPCODE)
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&& ((opcode & 0x3) == 0)) {
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spapr_hcall_fn fn = hypercall_table[opcode / 4];
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if (fn) {
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return fn(env, spapr, opcode, args);
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}
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}
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hcall_dprintf("Unimplemented hcall 0x" TARGET_FMT_lx "\n", opcode);
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return H_FUNCTION;
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}
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