haraldwolff/qemu-patch-raspberry4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

hw/registerfields: add 64-bit extract/deposit macros

Browse source 
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Philippe Mathieu-Daudé 2017-12-13 02:17:35 -03:00 committed by Michael Tokarev
parent 9102fe6c7f
commit cdb70a5c18
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
include/hw/registerfields.h
View file

@ -35,6 +35,9 @@
#define FIELD_EX32(storage, reg, field) \
extract32((storage), R_ ## reg ## _ ## field ## _SHIFT, \
R_ ## reg ## _ ## field ## _LENGTH)
#define FIELD_EX64(storage, reg, field) \
extract64((storage), R_ ## reg ## _ ## field ## _SHIFT, \
R_ ## reg ## _ ## field ## _LENGTH)
/* Extract a field from an array of registers */
#define ARRAY_FIELD_EX32(regs, reg, field) \
@ -52,6 +55,14 @@
d = deposit32((storage), R_ ## reg ## _ ## field ## _SHIFT, \
R_ ## reg ## _ ## field ## _LENGTH, v.v); \
d; })
#define FIELD_DP64(storage, reg, field, val) ({ \
struct { \
unsigned int v:R_ ## reg ## _ ## field ## _LENGTH; \
} v = { .v = val }; \
uint64_t d; \
d = deposit64((storage), R_ ## reg ## _ ## field ## _SHIFT, \
R_ ## reg ## _ ## field ## _LENGTH, v.v); \
d; })
/* Deposit a field to array of registers. */
#define ARRAY_FIELD_DP32(regs, reg, field, val) \