diff options
| author | Atish Patra <[email protected]> | 2018-12-21 21:31:12 -0800 |
|---|---|---|
| committer | Atish Patra <[email protected]> | 2018-12-21 22:11:21 -0800 |
| commit | 8304ee9424cc7700f2b08ba17553c2e48e0bafa8 (patch) | |
| tree | 3ff443a70d244c9667262777824650f1bae07991 | |
| parent | 88b173b33b0810fbeff91ee589073efb9099a904 (diff) | |
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 <[email protected]>
| -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 ece86a7e..61a6bd01 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 */ |