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Modified SPARC to PowerPC. Modified specific requirements to be

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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
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14
doc/supplements/powerpc/bsp.t
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@@ -75,7 +75,7 @@ place when the rtems_initialize_executive directive was invoked.
Upon completion of executive initialization, interrupts are Upon completion of executive initialization, interrupts are
enabled. 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 and this is to be utilized, then it should be enabled during the
reset application initialization code. reset application initialization code.
@@ -83,24 +83,24 @@ In addition to the requirements described in the
Board Support Packages chapter of the @value{LANGUAGE} Board Support Packages chapter of the @value{LANGUAGE}
Applications User's Manual for the reset code Applications User's Manual for the reset code
which is executed before the call to 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: specific requirements:
@itemize @bullet @itemize @bullet
@item Must leave the S bit of the status register set so that @item Must leave the PR bit of the machine state register set so that
the SPARC remains in the supervisor state. the PowerPC remains in the supervisor state.
@item Must set stack pointer (sp) such that a minimum stack @item Must set stack pointer (sp) such that a minimum stack
size of MINIMUM_STACK_SIZE bytes is provided for the size of MINIMUM_STACK_SIZE bytes is provided for the
rtems_initialize executive directive. rtems_initialize executive directive.
@item Must disable all external interrupts (i.e. set the pil @item Must disable all external interrupts (i.e. clear the EI (EE)
to 15). bit of the machine state register).
@item Must enable traps so window overflow and underflow @item Must enable traps so window overflow and underflow
conditions can be properly handled. 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 least trap handlers for register window overflow and register
window underflow. window underflow.
@end itemize @end itemize

14
doc/supplements/powerpc/bsp.texi
View File

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