[PATCH-for-9.1 12/21] system: Introduce QemuArchBit enum

[Philippe Mathieu-Daudé]

Current QEMU_ARCH_foo definitions are used as masks.
Extract the bit values, so we can easily iterate over.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/sysemu/arch_init.h | 69 ++++++++++++++++++++++++++------------
 1 file changed, 47 insertions(+), 22 deletions(-)

diff --git a/include/sysemu/arch_init.h b/include/sysemu/arch_init.h
index 8850cb1a14..cf597c40a3 100644
--- a/include/sysemu/arch_init.h
+++ b/include/sysemu/arch_init.h
@@ -1,30 +1,55 @@
 #ifndef QEMU_ARCH_INIT_H
 #define QEMU_ARCH_INIT_H
 
+typedef enum QemuArchBit {
+    QEMU_ARCH_BIT_ALPHA         = 0,
+    QEMU_ARCH_BIT_ARM           = 1,
+    QEMU_ARCH_BIT_CRIS          = 2,
+    QEMU_ARCH_BIT_I386          = 3,
+    QEMU_ARCH_BIT_M68K          = 4,
+    QEMU_ARCH_BIT_MICROBLAZE    = 6,
+    QEMU_ARCH_BIT_MIPS          = 7,
+    QEMU_ARCH_BIT_PPC           = 8,
+    QEMU_ARCH_BIT_S390X         = 9,
+    QEMU_ARCH_BIT_SH4           = 10,
+    QEMU_ARCH_BIT_SPARC         = 11,
+    QEMU_ARCH_BIT_XTENSA        = 12,
+    QEMU_ARCH_BIT_OPENRISC      = 13,
+    QEMU_ARCH_BIT_TRICORE       = 16,
+    QEMU_ARCH_BIT_NIOS2         = 17,
+    QEMU_ARCH_BIT_HPPA          = 18,
+    QEMU_ARCH_BIT_RISCV         = 19,
+    QEMU_ARCH_BIT_RX            = 20,
+    QEMU_ARCH_BIT_AVR           = 21,
+    QEMU_ARCH_BIT_HEXAGON       = 22,
+    QEMU_ARCH_BIT_LOONGARCH     = 23,
 
-enum {
+    QEMU_ARCH_BIT_LAST          = QEMU_ARCH_BIT_LOONGARCH
+} QemuArchBit;
+
+enum QemuArchMask {
     QEMU_ARCH_ALL = -1,
-    QEMU_ARCH_ALPHA = (1 << 0),
-    QEMU_ARCH_ARM = (1 << 1),
-    QEMU_ARCH_CRIS = (1 << 2),
-    QEMU_ARCH_I386 = (1 << 3),
-    QEMU_ARCH_M68K = (1 << 4),
-    QEMU_ARCH_MICROBLAZE = (1 << 6),
-    QEMU_ARCH_MIPS = (1 << 7),
-    QEMU_ARCH_PPC = (1 << 8),
-    QEMU_ARCH_S390X = (1 << 9),
-    QEMU_ARCH_SH4 = (1 << 10),
-    QEMU_ARCH_SPARC = (1 << 11),
-    QEMU_ARCH_XTENSA = (1 << 12),
-    QEMU_ARCH_OPENRISC = (1 << 13),
-    QEMU_ARCH_TRICORE = (1 << 16),
-    QEMU_ARCH_NIOS2 = (1 << 17),
-    QEMU_ARCH_HPPA = (1 << 18),
-    QEMU_ARCH_RISCV = (1 << 19),
-    QEMU_ARCH_RX = (1 << 20),
-    QEMU_ARCH_AVR = (1 << 21),
-    QEMU_ARCH_HEXAGON = (1 << 22),
-    QEMU_ARCH_LOONGARCH = (1 << 23),
+    QEMU_ARCH_ALPHA             = (1 << QEMU_ARCH_BIT_ALPHA),
+    QEMU_ARCH_ARM               = (1 << QEMU_ARCH_BIT_ARM),
+    QEMU_ARCH_CRIS              = (1 << QEMU_ARCH_BIT_CRIS),
+    QEMU_ARCH_I386              = (1 << QEMU_ARCH_BIT_I386),
+    QEMU_ARCH_M68K              = (1 << QEMU_ARCH_BIT_M68K),
+    QEMU_ARCH_MICROBLAZE        = (1 << QEMU_ARCH_BIT_MICROBLAZE),
+    QEMU_ARCH_MIPS              = (1 << QEMU_ARCH_BIT_MIPS),
+    QEMU_ARCH_PPC               = (1 << QEMU_ARCH_BIT_PPC),
+    QEMU_ARCH_S390X             = (1 << QEMU_ARCH_BIT_S390X),
+    QEMU_ARCH_SH4               = (1 << QEMU_ARCH_BIT_SH4),
+    QEMU_ARCH_SPARC             = (1 << QEMU_ARCH_BIT_SPARC),
+    QEMU_ARCH_XTENSA            = (1 << QEMU_ARCH_BIT_XTENSA),
+    QEMU_ARCH_OPENRISC          = (1 << QEMU_ARCH_BIT_OPENRISC),
+    QEMU_ARCH_TRICORE           = (1 << QEMU_ARCH_BIT_TRICORE),
+    QEMU_ARCH_NIOS2             = (1 << QEMU_ARCH_BIT_NIOS2),
+    QEMU_ARCH_HPPA              = (1 << QEMU_ARCH_BIT_HPPA),
+    QEMU_ARCH_RISCV             = (1 << QEMU_ARCH_BIT_RISCV),
+    QEMU_ARCH_RX                = (1 << QEMU_ARCH_BIT_RX),
+    QEMU_ARCH_AVR               = (1 << QEMU_ARCH_BIT_AVR),
+    QEMU_ARCH_HEXAGON           = (1 << QEMU_ARCH_BIT_HEXAGON),
+    QEMU_ARCH_LOONGARCH         = (1 << QEMU_ARCH_BIT_LOONGARCH),
 };
 
 extern const uint32_t arch_type;
-- 
2.41.0