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| author | Kevin O'Connor <kevin@koconnor.net> | 2014-09-24 15:58:12 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2014-10-11 13:41:53 -0400 |
| commit | eb88bf7db541aa2dd70cae869238cfb3003efb56 (patch) | |
| tree | 18fd9939a0dd8541da9b1c74d11a7d55253e419c /src/types.h | |
| parent | 9984b9df14a357b2c10972e8dbc17b627904c502 (diff) | |
| download | seabios-hppa-eb88bf7db541aa2dd70cae869238cfb3003efb56.zip seabios-hppa-eb88bf7db541aa2dd70cae869238cfb3003efb56.tar.gz seabios-hppa-eb88bf7db541aa2dd70cae869238cfb3003efb56.tar.bz2 | |
build: Support declaring 32bit C functions that must reside in the f-segment
Add support for a FUNCFSEG macro that will force a "32bit flat" C
function to be located in the f-segment. This is useful for 32bit
code with inline assembler that thunks to 16bit mode.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/types.h')
| -rw-r--r-- | src/types.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/types.h b/src/types.h index 097372c..6dd8c43 100644 --- a/src/types.h +++ b/src/types.h @@ -70,6 +70,8 @@ extern void __force_link_error__only_in_16bit(void) __noreturn; # define VARFSEG __section(".discard.varfseg." UNIQSEC) __VISIBLE __weak // Designate a variable at a specific address in the f-segment. # define VARFSEGFIXED(addr) __section(".discard.varfixed." UNIQSEC) __VISIBLE __weak +// Notes a 32bit flat function that must reside in the f-segment. +# define FUNCFSEG __section(".discard.32fseg." UNIQSEC) __VISIBLE __weak // Verify a variable is only accessable via 32bit "init" functions # define VARVERIFY32INIT __section(".discard.varinit." UNIQSEC) // Designate top-level assembler as 16bit only. @@ -90,6 +92,7 @@ extern void __force_link_error__only_in_16bit(void) __noreturn; # define VARLOW __section(".discard.varlow." UNIQSEC) __VISIBLE __weak # define VARFSEG __section(".discard.varfseg." UNIQSEC) __VISIBLE __weak # define VARFSEGFIXED(addr) __section(".discard.varfixed." UNIQSEC) __VISIBLE __weak +# define FUNCFSEG __section(".discard.32fseg." UNIQSEC) __VISIBLE __weak # define VARVERIFY32INIT __section(".discard.varinit." UNIQSEC) # define ASM16(code) # define ASM32FLAT(code) @@ -106,6 +109,7 @@ extern void __force_link_error__only_in_16bit(void) __noreturn; # define VARLOW __section(".data.varlow." UNIQSEC) __VISIBLE __weak # define VARFSEG __section(".data.varfseg." UNIQSEC) __VISIBLE # define VARFSEGFIXED(addr) __section(".fixedaddr." __stringify(addr)) __VISIBLE __aligned(1) +# define FUNCFSEG __section(".text.32fseg." UNIQSEC) __VISIBLE # define VARVERIFY32INIT __section(".data.varinit." UNIQSEC) # define ASM16(code) # define ASM32FLAT(code) __ASM(code) |