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acpi: Support string output

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Add support for output of strings and streams of bytes.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2020-07-07 13:11:45 -06:00
committed by Bin Meng
parent 2912686c08
commit 7fb8da4ce1
3 changed files with 75 additions and 0 deletions
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14
lib/acpi/acpigen.c
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@@ -37,3 +37,17 @@ void acpigen_emit_dword(struct acpi_ctx *ctx, uint data)
acpigen_emit_byte(ctx, (data >> 16) & 0xff);
acpigen_emit_byte(ctx, (data >> 24) & 0xff);
}
void acpigen_emit_stream(struct acpi_ctx *ctx, const char *data, int size)
{
int i;
for (i = 0; i < size; i++)
acpigen_emit_byte(ctx, data[i]);
}
void acpigen_emit_string(struct acpi_ctx *ctx, const char *str)
{
acpigen_emit_stream(ctx, str, str ? strlen(str) : 0);
acpigen_emit_byte(ctx, '\0');
}