Modified SPARC to PowerPC. Modified specific requirements to be

for the PowerPC instead of the SPARC.
This commit is contained in:
Jennifer Averett
1997-12-02 16:27:15 +00:00
parent bfad6e21ed
commit 3013e18f74
2 changed files with 14 additions and 14 deletions

View File

@@ -75,7 +75,7 @@ place when the rtems_initialize_executive directive was invoked.
Upon completion of executive initialization, interrupts are
enabled.
If this SPARC implementation supports on-chip caching
If this PowerPC implementation supports on-chip caching
and this is to be utilized, then it should be enabled during the
reset application initialization code.
@@ -83,24 +83,24 @@ In addition to the requirements described in the
Board Support Packages chapter of the @value{LANGUAGE}
Applications User's Manual for the reset code
which is executed before the call to
rtems_initialize executive, the SPARC version has the following
rtems_initialize executive, the PowrePC version has the following
specific requirements:
@itemize @bullet
@item Must leave the S bit of the status register set so that
the SPARC remains in the supervisor state.
@item Must leave the PR bit of the machine state register set so that
the PowerPC remains in the supervisor state.
@item Must set stack pointer (sp) such that a minimum stack
size of MINIMUM_STACK_SIZE bytes is provided for the
rtems_initialize executive directive.
@item Must disable all external interrupts (i.e. set the pil
to 15).
@item Must disable all external interrupts (i.e. clear the EI (EE)
bit of the machine state register).
@item Must enable traps so window overflow and underflow
conditions can be properly handled.
@item Must initialize the SPARC's initial trap table with at
@item Must initialize the PowerPC's initial trap table with at
least trap handlers for register window overflow and register
window underflow.
@end itemize

View File

@@ -75,7 +75,7 @@ place when the rtems_initialize_executive directive was invoked.
Upon completion of executive initialization, interrupts are
enabled.
If this SPARC implementation supports on-chip caching
If this PowerPC implementation supports on-chip caching
and this is to be utilized, then it should be enabled during the
reset application initialization code.
@@ -83,24 +83,24 @@ In addition to the requirements described in the
Board Support Packages chapter of the @value{LANGUAGE}
Applications User's Manual for the reset code
which is executed before the call to
rtems_initialize executive, the SPARC version has the following
rtems_initialize executive, the PowrePC version has the following
specific requirements:
@itemize @bullet
@item Must leave the S bit of the status register set so that
the SPARC remains in the supervisor state.
@item Must leave the PR bit of the machine state register set so that
the PowerPC remains in the supervisor state.
@item Must set stack pointer (sp) such that a minimum stack
size of MINIMUM_STACK_SIZE bytes is provided for the
rtems_initialize executive directive.
@item Must disable all external interrupts (i.e. set the pil
to 15).
@item Must disable all external interrupts (i.e. clear the EI (EE)
bit of the machine state register).
@item Must enable traps so window overflow and underflow
conditions can be properly handled.
@item Must initialize the SPARC's initial trap table with at
@item Must initialize the PowerPC's initial trap table with at
least trap handlers for register window overflow and register
window underflow.
@end itemize