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acpigen_write_package: Return pointer to package element counter

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Have acpigen_write_package() return a pointer to the package element
counter so it can be used for dynamic package generation where needed.

Change-Id: Id7f6dd03511069211ba3ee3eb29a6ca1742de847
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/15536
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Duncan Laurie 2016-07-02 19:53:54 -07:00 • committed by Martin Roth
parent 3727776a8b
commit 85d8027628
2 changed files with 5 additions and 2 deletions
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5
src/arch/x86/acpigen.c
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@ -87,12 +87,15 @@ void acpigen_emit_dword(unsigned int data)
acpigen_emit_byte((data >> 24) & 0xff); acpigen_emit_byte((data >> 24) & 0xff);
} }
void acpigen_write_package(int nr_el) char *acpigen_write_package(int nr_el)
{ {
char *p;
/* package op */ /* package op */
acpigen_emit_byte(0x12); acpigen_emit_byte(0x12);
acpigen_write_len_f(); acpigen_write_len_f();
p = acpigen_get_current();
acpigen_emit_byte(nr_el); acpigen_emit_byte(nr_el);
return p;
} }
void acpigen_write_byte(unsigned int data) void acpigen_write_byte(unsigned int data)

2
src/arch/x86/include/arch/acpigen.h
View file

@ -38,7 +38,7 @@ void acpigen_write_len_f(void);
void acpigen_pop_len(void); void acpigen_pop_len(void);
void acpigen_set_current(char *curr); void acpigen_set_current(char *curr);
char *acpigen_get_current(void); char *acpigen_get_current(void);
void acpigen_write_package(int nr_el); char *acpigen_write_package(int nr_el);
void acpigen_write_zero(void); void acpigen_write_zero(void);
void acpigen_write_one(void); void acpigen_write_one(void);
void acpigen_write_ones(void); void acpigen_write_ones(void);