diff mbox series

[27/39] target/hexagon: Implement hexagon_find_last_irq()

Message ID 20250301052845.1012069-28-brian.cain@oss.qualcomm.com (mailing list archive)
State New, archived
Headers show
Series hexagon system emu, part 2/3 | expand

Commit Message

Brian Cain March 1, 2025, 5:28 a.m. UTC 
From: Brian Cain <bcain@quicinc.com>

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/op_helper.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Comments

Taylor Simpson March 17, 2025, 8:09 p.m. UTC | #1 
> -----Original Message-----
> From: Brian Cain <brian.cain@oss.qualcomm.com>
> Sent: Friday, February 28, 2025 11:29 PM
> To: qemu-devel@nongnu.org
> Cc: brian.cain@oss.qualcomm.com; richard.henderson@linaro.org;
> philmd@linaro.org; quic_mathbern@quicinc.com; ale@rev.ng; anjo@rev.ng;
> quic_mliebel@quicinc.com; ltaylorsimpson@gmail.com;
> alex.bennee@linaro.org; quic_mburton@quicinc.com;
> sidneym@quicinc.com; Brian Cain <bcain@quicinc.com>
> Subject: [PATCH 27/39] target/hexagon: Implement hexagon_find_last_irq()
> 
> From: Brian Cain <bcain@quicinc.com>
> 
> Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>

Reviewed-by: Taylor Simpson <ltaylorsimpson@gmail.com>
diff mbox series

Patch

diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c
index d0dc4afac7..f3ffac81b6 100644
--- a/target/hexagon/op_helper.c
+++ b/target/hexagon/op_helper.c
@@ -1637,7 +1637,13 @@  static void modify_syscfg(CPUHexagonState *env, uint32_t val)
 
 static uint32_t hexagon_find_last_irq(CPUHexagonState *env, uint32_t vid)
 {
-    g_assert_not_reached();
+    int offset = (vid ==  HEX_SREG_VID) ? L2VIC_VID_0 : L2VIC_VID_1;
+    CPUState *cs = env_cpu(env);
+    HexagonCPU *cpu = HEXAGON_CPU(cs);
+    const hwaddr pend_mem = cpu->l2vic_base_addr + offset;
+    uint32_t irq;
+    cpu_physical_memory_read(pend_mem, &irq, sizeof(irq));
+    return irq;
 }
 
 static void hexagon_read_timer(CPUHexagonState *env, uint32_t *low,