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program loading: add prog_run() function

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The prog_run() function abstracts away what is required
for running a given program. Within it, there are 2
calls: 1. platform_prog_run() and 2. arch_prog_run().
The platform_prog_run() allows for a chipset to intercept
a program that will be run. This allows for CPU switching
as currently needed in t124 and t132.

Change-Id: I22a5dd5bfb1018e7e46475e47ac993a0941e2a8c
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8846
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
This commit is contained in:
Aaron Durbin
2015-03-20 15:55:08 -05:00
committed by Aaron Durbin
parent 3948e5392b
commit b3847e6424
15 changed files with 95 additions and 22 deletions
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12
src/include/program_loading.h
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@ -90,6 +90,16 @@ static inline void prog_set_entry(struct prog *prog, void *e, void *arg)
prog->arg = arg;
}
/* Run the program described by prog. */
void prog_run(struct prog *prog);
/* Per architecture implementation running a program. */
void arch_prog_run(struct prog *prog);
/* Platform (SoC/chipset) specific overrides for running a program. This is
* called prior to calling the arch_prog_run. Thus, if there is anything
* special that needs to be done by the platform similar to the architecture
* code it needs to that as well. */
void platform_prog_run(struct prog *prog);
/************************
* ROMSTAGE LOADING *
************************/
@ -143,7 +153,7 @@ void payload_run(void);
void mirror_payload(struct payload *payload);
/* architecture specific function to run payload. */
void arch_payload_run(const struct payload *payload);
void arch_payload_run(struct payload *payload);
/* Payload loading operations. */
struct payload_loader_ops {