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hw/intc/loongson_ipi: Add LoongsonIPICommonClass::get_iocsr_as handler

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Allow Loongson IPI implementations to have their own get_iocsr_as()
handler.

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: <20240805180622.21001-9-philmd@linaro.org>
This commit is contained in:
Bibo Mao 2024-07-15 17:50:05 +02:00 committed by Philippe Mathieu-Daudé
parent ed722e0ec4
commit a81cd679d7
2 changed files with 14 additions and 4 deletions
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16
hw/intc/loongson_ipi.c
View File

@ -75,24 +75,30 @@ static MemTxResult loongson_ipi_iocsr_readl(void *opaque, hwaddr addr,
return loongson_ipi_core_readl(s, addr, data, size, attrs);
}
static AddressSpace *get_cpu_iocsr_as(CPUState *cpu)
{
#ifdef TARGET_LOONGARCH64
static AddressSpace *get_iocsr_as(CPUState *cpu)
{
return LOONGARCH_CPU(cpu)->env.address_space_iocsr;
}
#endif
#ifdef TARGET_MIPS
static AddressSpace *get_iocsr_as(CPUState *cpu)
{
if (ase_lcsr_available(&MIPS_CPU(cpu)->env)) {
return &MIPS_CPU(cpu)->env.iocsr.as;
}
#endif
return NULL;
}
#endif
static MemTxResult send_ipi_data(LoongsonIPICommonState *ipi, CPUState *cpu,
uint64_t val, hwaddr addr, MemTxAttrs attrs)
{
LoongsonIPICommonClass *licc = LOONGSON_IPI_COMMON_GET_CLASS(ipi);
int i, mask = 0, data = 0;
AddressSpace *iocsr_as = get_cpu_iocsr_as(cpu);
AddressSpace *iocsr_as = licc->get_iocsr_as(cpu);
if (!iocsr_as) {
return MEMTX_DECODE_ERROR;
@ -354,11 +360,13 @@ static void loongson_ipi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
LoongsonIPIClass *lic = LOONGSON_IPI_CLASS(klass);
LoongsonIPICommonClass *licc = LOONGSON_IPI_COMMON_CLASS(klass);
device_class_set_parent_realize(dc, loongson_ipi_realize,
&lic->parent_realize);
device_class_set_parent_unrealize(dc, loongson_ipi_unrealize,
&lic->parent_unrealize);
licc->get_iocsr_as = get_iocsr_as;
}
static const TypeInfo loongson_ipi_types[] = {

2
include/hw/intc/loongson_ipi_common.h
View File

@ -39,6 +39,8 @@ struct LoongsonIPICommonState {
struct LoongsonIPICommonClass {
SysBusDeviceClass parent_class;
AddressSpace *(*get_iocsr_as)(CPUState *cpu);
};
/* Mainy used by iocsr read and write */