Revision 23910d3f hw/acpi.c
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qemu_irq_lower(pm1_cnt->cmos_s3); |
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} |
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} |
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/* ACPI GPE */ |
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void acpi_gpe_init(ACPIGPE *gpe, uint8_t len) |
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{
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gpe->len = len; |
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gpe->sts = qemu_mallocz(len / 2); |
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gpe->en = qemu_mallocz(len / 2); |
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} |
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void acpi_gpe_blk(ACPIGPE *gpe, uint32_t blk) |
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{
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gpe->blk = blk; |
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} |
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void acpi_gpe_reset(ACPIGPE *gpe) |
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{
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memset(gpe->sts, 0, gpe->len / 2); |
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memset(gpe->en, 0, gpe->len / 2); |
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} |
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static uint8_t *acpi_gpe_ioport_get_ptr(ACPIGPE *gpe, uint32_t addr) |
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{
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uint8_t *cur = NULL; |
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if (addr < gpe->len / 2) {
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cur = gpe->sts + addr; |
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} else if (addr < gpe->len) {
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cur = gpe->en + addr; |
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} else {
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abort(); |
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} |
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return cur; |
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} |
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void acpi_gpe_ioport_writeb(ACPIGPE *gpe, uint32_t addr, uint32_t val) |
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{
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uint8_t *cur; |
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addr -= gpe->blk; |
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cur = acpi_gpe_ioport_get_ptr(gpe, addr); |
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if (addr < gpe->len / 2) {
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/* GPE_STS */ |
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*cur = (*cur) & ~val; |
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} else if (addr < gpe->len) {
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/* GPE_EN */ |
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*cur = val; |
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} else {
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abort(); |
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} |
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} |
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uint32_t acpi_gpe_ioport_readb(ACPIGPE *gpe, uint32_t addr) |
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{
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uint8_t *cur; |
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uint32_t val; |
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addr -= gpe->blk; |
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cur = acpi_gpe_ioport_get_ptr(gpe, addr); |
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val = 0; |
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if (cur != NULL) {
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val = *cur; |
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} |
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return val; |
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} |
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