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| author | Furquan Shaikh <furquan@chromium.org> | 2016-10-20 23:09:05 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2016-10-24 17:43:47 +0200 |
| commit | e4e9b94db18c1b9e646a0b4d6a0bef24dc02b335 (patch) | |
| tree | aae17f25e1a2d58d2af0ef68b1e773d8260d9a73 /src/arch/x86/include | |
| parent | 3f4e6272007483d720a7c6677e81f80810513581 (diff) | |
| download | coreboot-e4e9b94db18c1b9e646a0b4d6a0bef24dc02b335.tar.xz | |
arch/x86/acpigen: Clean up acpigen library
Instead of using hard-coded values for emitting op codes and prefix
codes, define and use enum constants. With this change, it becomes
easier to read the code as well.
BUG=chrome-os-partner:55988
Change-Id: I6671b84c2769a8d9b1f210642f3f8fd3d902cca2
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17078
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/arch/x86/include')
| -rw-r--r-- | src/arch/x86/include/arch/acpigen.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h index f513698f26..4e8456dc09 100644 --- a/src/arch/x86/include/arch/acpigen.h +++ b/src/arch/x86/include/arch/acpigen.h @@ -34,6 +34,53 @@ ACPI_STATUS_DEVICE_SHOW_IN_UI |\ ACPI_STATUS_DEVICE_STATE_OK) +/* ACPI Op/Prefix Codes */ +enum { + ZERO_OP = 0x00, + ONE_OP = 0x01, + NAME_OP = 0x08, + SCOPE_OP = 0x10, + BUFFER_OP = 0x11, + BYTE_PREFIX = 0x0A, + WORD_PREFIX = 0x0B, + DWORD_PREFIX = 0x0C, + STRING_PREFIX = 0x0D, + QWORD_PREFIX = 0x0E, + PACKAGE_OP = 0x12, + METHOD_OP = 0x14, + DUAL_NAME_PREFIX = 0x2E, + MULTI_NAME_PREFIX = 0x2F, + EXT_OP_PREFIX = 0x5B, + SLEEP_OP = 0x22, + DEBUG_OP = 0x31, + DEVICE_OP = 0x82, + PROCESSOR_OP = 0x83, + POWER_RES_OP = 0x84, + LOCAL0_OP = 0x60, + LOCAL1_OP = 0x61, + LOCAL2_OP = 0x62, + LOCAL3_OP = 0x63, + LOCAL4_OP = 0x64, + LOCAL5_OP = 0x65, + LOCAL6_OP = 0x66, + LOCAL7_OP = 0x67, + ARG0_OP = 0x68, + ARG1_OP = 0x69, + ARG2_OP = 0x6A, + ARG3_OP = 0x6B, + ARG4_OP = 0x6C, + ARG5_OP = 0x6D, + ARG6_OP = 0x6E, + STORE_OP = 0x70, + AND_OP = 0x7B, + OR_OP = 0x7D, + NOT_OP = 0x80, + IF_OP = 0xA0, + ELSE_OP = 0xA1, + RETURN_OP = 0xA4, + ONES_OP = 0xFF, +}; + void acpigen_write_len_f(void); void acpigen_pop_len(void); void acpigen_set_current(char *curr); @@ -44,6 +91,7 @@ void acpigen_write_one(void); void acpigen_write_ones(void); void acpigen_write_byte(unsigned int data); void acpigen_emit_byte(unsigned char data); +void acpigen_emit_ext_op(uint8_t op); void acpigen_emit_word(unsigned int data); void acpigen_emit_dword(unsigned int data); void acpigen_emit_stream(const char *data, int size); |