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| author | Max Filippov <jcmvbkbc@gmail.com> | 2011-09-06 03:55:43 +0400 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-09-10 16:57:39 +0000 |
| commit | 553e44f90645b7f2fc9cec7583844e24cd86019f (patch) | |
| tree | b39a447017c7d89faf541939c7b99c7ca65ebb05 /target-xtensa/helper.c | |
| parent | f76ebf55cd971c82e867fea97741e48d2f14499d (diff) | |
| download | qemu-553e44f90645b7f2fc9cec7583844e24cd86019f.tar.gz | |
target-xtensa: implement windowed registers
See ISA, 4.7.1 for details.
Physical registers and currently visible window are separate fields in
CPUEnv. Only current window is accessible to TCG. On operations that
change window base helpers copy current window to and from physical
registers.
Window overflow check described in 4.7.1.3 is in separate patch.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-xtensa/helper.c')
| -rw-r--r-- | target-xtensa/helper.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target-xtensa/helper.c b/target-xtensa/helper.c index 44ebb9f29d..4f8693448e 100644 --- a/target-xtensa/helper.c +++ b/target-xtensa/helper.c @@ -45,6 +45,7 @@ static const XtensaConfig core_config[] = { { .name = "sample-xtensa-core", .options = -1, + .nareg = 64, .ndepc = 1, .excm_level = 16, .exception_vector = { |