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| author | Atish Patra <atish.patra@wdc.com> | 2018-12-22 08:31:12 +0300 |
|---|---|---|
| committer | Atish Patra <atish.patra@wdc.com> | 2018-12-22 09:11:21 +0300 |
| commit | 8304ee9424cc7700f2b08ba17553c2e48e0bafa8 (patch) | |
| tree | 3ff443a70d244c9667262777824650f1bae07991 | |
| parent | 88b173b33b0810fbeff91ee589073efb9099a904 (diff) | |
| download | opensbi-8304ee9424cc7700f2b08ba17553c2e48e0bafa8.tar.xz | |
Disable all interrupts during warm irqchip init.
M mode is not expected to recieve any interrupts.
S mode interrupts shouldn't be enabled in M mode.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
| -rw-r--r-- | platform/common/irqchip/plic.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/platform/common/irqchip/plic.c b/platform/common/irqchip/plic.c index ece86a7..61a6bd0 100644 --- a/platform/common/irqchip/plic.c +++ b/platform/common/irqchip/plic.c @@ -80,11 +80,16 @@ int plic_warm_irqchip_init(u32 target_hart, if (plic_hart_count <= target_hart) return -1; + + if (m_cntx_id > -1) { + for (i = 0; i < ie_words; i++) + plic_set_ie(m_cntx_id, i, 0); + } /* By default, enable all IRQs for S-mode of target HART */ if (s_cntx_id > -1) { for (i = 0; i < ie_words; i++) - plic_set_ie(s_cntx_id, i, -1); + plic_set_ie(s_cntx_id, i, 0); } /* By default, enable M-mode threshold */ |