commit a022e0de53579da9df20945de70a82957258a972
author Bibo Mao <maobibo@loongson.cn> Mon Jul 15 16:58:55 2024 +0200
committer Philippe Mathieu-Daudé <philmd@linaro.org> Tue Aug 06 10:22:52 2024 +0200
tree c829205c59a599c028d77063f59830bcc10c1120
parent 2252e6c94e34c2373e8d16573284a00541e3c62c

hw/intc/loongson_ipi: Move IPICore::mmio_mem to LoongsonIPIState

It is easier to manage one array of MMIO MR rather
than one per vCPU.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
[PMD: Extracted from bigger commit, added commit description]
Co-Developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Tested-by: Bibo Mao <maobibo@loongson.cn>
Acked-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20240805180622.21001-6-philmd@linaro.org>

hw/intc/loongson_ipi.c

diff --git a/hw/intc/loongson_ipi.c b/hw/intc/loongson_ipi.c
index 7d15c28..03878b8 100644
--- a/hw/intc/loongson_ipi.c
+++ b/hw/intc/loongson_ipi.c
@@ -320,12 +320,12 @@
         return;
     }
 
+    s->ipi_mmio_mem = g_new0(MemoryRegion, s->num_cpu);
     for (unsigned i = 0; i < s->num_cpu; i++) {
-        s->cpu[i].ipi_mmio_mem = g_new0(MemoryRegion, 1);
         g_autofree char *name = g_strdup_printf("loongson_ipi_cpu%d_mmio", i);
-        memory_region_init_io(s->cpu[i].ipi_mmio_mem, OBJECT(dev),
+        memory_region_init_io(&s->ipi_mmio_mem[i], OBJECT(dev),
                               &loongson_ipi_core_ops, &s->cpu[i], name, 0x48);
-        sysbus_init_mmio(sbd, s->cpu[i].ipi_mmio_mem);
+        sysbus_init_mmio(sbd, &s->ipi_mmio_mem[i]);
     }
 }
 
@@ -338,6 +338,10 @@
 
 static void loongson_ipi_unrealize(DeviceState *dev)
 {
+    LoongsonIPIState *s = LOONGSON_IPI(dev);
+
+    g_free(s->ipi_mmio_mem);
+
     loongson_ipi_common_unrealize(dev);
 }
 

include/hw/intc/loongson_ipi.h

diff --git a/include/hw/intc/loongson_ipi.h b/include/hw/intc/loongson_ipi.h
index 70e00dc..5a52dfb 100644
--- a/include/hw/intc/loongson_ipi.h
+++ b/include/hw/intc/loongson_ipi.h
@@ -19,7 +19,6 @@
 
 typedef struct IPICore {
     LoongsonIPIState *ipi;
-    MemoryRegion *ipi_mmio_mem;
     uint32_t status;
     uint32_t en;
     uint32_t set;
@@ -39,6 +38,7 @@
 struct LoongsonIPIState {
     LoongsonIPICommonState parent_obj;
 
+    MemoryRegion *ipi_mmio_mem;
     MemoryRegion ipi_iocsr_mem;
     MemoryRegion ipi64_iocsr_mem;
     uint32_t num_cpu;