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tests/tcg: unify ppc64 and ppc64le Makefiles

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Make tests/tcg/ppc64le include tests/tcg/ppc64 instead of duplicating
the rules.  Because the ppc64le vpath includes tests/tcg/ppc64 but
not vice versa, the tests have to be moved from tests/tcg/ppc64le/
to tests/tcg/ppc64.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220929114231.583801-23-alex.bennee@linaro.org>
This commit is contained in:
Paolo Bonzini 2022-09-29 12:42:02 +01:00 • committed by Alex Bennée
parent 6ffe81370a
commit 37b0dba45c
9 changed files with 1 additions and 26 deletions
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42
tests/tcg/ppc64/signal_save_restore_xer.c Normal file
View file

@ -0,0 +1,42 @@
#include <assert.h>
#include <stdint.h>
#include <signal.h>
#include <sys/user.h>
#define XER_SO (1 << 31)
#define XER_OV (1 << 30)
#define XER_CA (1 << 29)
#define XER_OV32 (1 << 19)
#define XER_CA32 (1 << 18)
uint64_t saved;
void sigtrap_handler(int sig, siginfo_t *si, void *ucontext)
{
ucontext_t *uc = ucontext;
uc->uc_mcontext.regs->nip += 4;
saved = uc->uc_mcontext.regs->xer;
uc->uc_mcontext.regs->xer |= XER_OV | XER_OV32;
}
int main(void)
{
uint64_t initial = XER_CA | XER_CA32, restored;
struct sigaction sa = {
.sa_sigaction = sigtrap_handler,
.sa_flags = SA_SIGINFO
};
sigaction(SIGTRAP, &sa, NULL);
asm("mtspr 1, %1\n\t"
"trap\n\t"
"mfspr %0, 1\n\t"
: "=r" (restored)
: "r" (initial));
assert(saved == initial);
assert(restored == (XER_OV | XER_OV32 | XER_CA | XER_CA32));
return 0;
}