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[Qemu-devel] [RFC 22/47] acpi: add acpi_io() helper
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [RFC 22/47] acpi: add acpi_io() helper |
Date: |
Fri, 19 Dec 2014 02:02:17 +0000 |
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/acpi/acpi_gen_utils.c | 19 +++++++++++++++++++
include/hw/acpi/acpi_gen_utils.h | 7 +++++++
2 files changed, 26 insertions(+)
diff --git a/hw/acpi/acpi_gen_utils.c b/hw/acpi/acpi_gen_utils.c
index 01d5c77..e9b2606 100644
--- a/hw/acpi/acpi_gen_utils.c
+++ b/hw/acpi/acpi_gen_utils.c
@@ -429,6 +429,25 @@ AcpiAml acpi_call4(const char *method, AcpiAml arg1,
AcpiAml arg2,
return var;
}
+/*
+ * ACPI 5.0: 19.5.62 IO (IO Resource Descriptor Macro)
+ * 6.4.2 Small Resource Data Type
+*/
+AcpiAml acpi_io(acpiIODecode dec, uint16_t min_base, uint16_t max_base,
+ uint8_t aln, uint8_t len)
+{
+ AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+ build_append_byte(var.buf, 0x47); /* IO port descriptor */
+ build_append_byte(var.buf, dec);
+ build_append_byte(var.buf, min_base & 0xff);
+ build_append_byte(var.buf, (min_base >> 8) & 0xff);
+ build_append_byte(var.buf, max_base & 0xff);
+ build_append_byte(var.buf, (max_base >> 8) & 0xff);
+ build_append_byte(var.buf, aln);
+ build_append_byte(var.buf, len);
+ return var;
+}
+
/* ACPI 5.0: 20.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
AcpiAml acpi_if(AcpiAml predicate)
{
diff --git a/include/hw/acpi/acpi_gen_utils.h b/include/hw/acpi/acpi_gen_utils.h
index 594fae7..91575f1 100644
--- a/include/hw/acpi/acpi_gen_utils.h
+++ b/include/hw/acpi/acpi_gen_utils.h
@@ -19,6 +19,11 @@ typedef struct AcpiAml {
AcpiBlockFlags block_flags;
} AcpiAml;
+typedef enum {
+ acpi_decode10 = 0,
+ acpi_decode16 = 1,
+} acpiIODecode;
+
void aml_append(AcpiAml *parent_ctx, AcpiAml child);
/* non block ASL object primitives */
@@ -39,6 +44,8 @@ AcpiAml acpi_call3(const char *method, AcpiAml arg1, AcpiAml
arg2,
AcpiAml arg3);
AcpiAml acpi_call4(const char *method, AcpiAml arg1, AcpiAml arg2,
AcpiAml arg3, AcpiAml arg4);
+AcpiAml acpi_io(acpiIODecode dec, uint16_t min_base, uint16_t max_base,
+ uint8_t aln, uint8_t len);
/* Block ASL object primitives */
AcpiAml acpi_if(AcpiAml predicate);
--
1.8.3.1
- [Qemu-devel] [RFC 16/47] pc: acpi-build: drop template patching and create PCI bus tree dinamically, (continued)
- [Qemu-devel] [RFC 16/47] pc: acpi-build: drop template patching and create PCI bus tree dinamically, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 13/47] acpi: add acpi_and() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 08/47] acpi: extend build_append_{value|int}() to support 64-bit values, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 15/47] acpi: add acpi_call1(), acpi_call2(), acpi_call3(), acpi_call4() helpers, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 09/47] acpi: add acpi_int() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 17/47] acpi: add acpi_package() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 18/47] pc: acpi-build: drop unsupported PM1b_CNT.SLP_TYP, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 19/47] pc: acpi-build: generate _S[345] packages dynamically, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 20/47] acpi: add acpi_buffer() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 21/47] acpi: add acpi_resource_template() helper, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 22/47] acpi: add acpi_io() helper,
Igor Mammedov <=
- [Qemu-devel] [RFC 25/47] acpi: add acpi_field() & acpi_named_field() terms, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 24/47] acpi: add acpi_operation_region() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 26/47] acpi: add acpi_local0() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 28/47] pc: acpi-build: generate pvpanic device description dynamically, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 23/47] acpi: include PkgLength size only when requested, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 30/47] acpi: add acpi_equal() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 29/47] acpi: add acpi_varpackage() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 33/47] pc: acpi-build: drop template patching and CPU hotplug objects dynamically, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 31/47] acpi: add acpi_processor() term, Igor Mammedov, 2014/12/18
- [Qemu-devel] [RFC 32/47] acpi: add acpi_eisaid() term, Igor Mammedov, 2014/12/18