32-bit PCI bar support

[Gelbpunkt]

This PR allows mapping of 32-bit PCI bars and initializes them on aarch64. They were already being initialized properly for x86_64 and RISC-V currently has no PCI support.

I've tested this lightly with a local rewrite of the RTL8139 driver.

[github-actions]

Benchmark Results

Benchmark	Current: 282a76a	Previous: 40e0c6e	Performance Ratio
startup_benchmark Build Time	134.33 s	136.14 s	0.99
startup_benchmark File Size	0.90 MB	0.90 MB	1.00
Startup Time - 1 core	0.92 s (±0.02 s)	0.94 s (±0.02 s)	0.98
Startup Time - 2 cores	0.91 s (±0.02 s)	0.92 s (±0.03 s)	0.99
Startup Time - 4 cores	0.93 s (±0.02 s)	0.96 s (±0.03 s)	0.97
multithreaded_benchmark Build Time	132.25 s	140.97 s	0.94
multithreaded_benchmark File Size	1.01 MB	1.01 MB	1.00
Multithreaded Pi Efficiency - 2 Threads	3.02 % (±14.48 %)	2.17 % (±10.40 %)	1.39
Multithreaded Pi Efficiency - 4 Threads	1.71 % (±8.23 %)	1.51 % (±7.26 %)	1.13
Multithreaded Pi Efficiency - 8 Threads	0.86 % (±4.14 %)	0.77 % (±3.68 %)	1.12
micro_benchmarks Build Time	164.04 s	171.42 s	0.96
micro_benchmarks File Size	1.01 MB	1.01 MB	1.00
Scheduling time - 1 thread	3.09 ticks (±14.83 ticks)	2.77 ticks (±13.29 ticks)	1.12
Scheduling time - 2 threads	1.53 ticks (±7.35 ticks)	1.75 ticks (±8.39 ticks)	0.88
Micro - Time for syscall (getpid)	0.16 ticks (±0.79 ticks)	0.12 ticks (±0.58 ticks)	1.35
Memcpy speed - (built_in) block size 4096	1358.70 MByte/s (±6521.74 MByte/s)	1816.86 MByte/s (±8720.93 MByte/s)	0.75
Memcpy speed - (built_in) block size 1048576	557.99 MByte/s (±2678.35 MByte/s)	745.11 MByte/s (±3576.55 MByte/s)	0.75
Memcpy speed - (built_in) block size 16777216	208.58 MByte/s (±1001.19 MByte/s)	219.45 MByte/s (±1053.36 MByte/s)	0.95
Memset speed - (built_in) block size 4096	1333.33 MByte/s (±6400.00 MByte/s)	1875.00 MByte/s (±9000.00 MByte/s)	0.71
Memset speed - (built_in) block size 1048576	1331.11 MByte/s (±6389.35 MByte/s)	1029.20 MByte/s (±4940.18 MByte/s)	1.29
Memset speed - (built_in) block size 16777216	916.74 MByte/s (±4400.36 MByte/s)	924.64 MByte/s (±4438.25 MByte/s)	0.99
Memcpy speed - (rust) block size 4096	1071.43 MByte/s (±5142.86 MByte/s)	1411.76 MByte/s (±6776.47 MByte/s)	0.76
Memcpy speed - (rust) block size 1048576	561.70 MByte/s (±2696.14 MByte/s)	693.90 MByte/s (±3330.73 MByte/s)	0.81
Memcpy speed - (rust) block size 16777216	221.01 MByte/s (±1060.85 MByte/s)	219.67 MByte/s (±1054.40 MByte/s)	1.01
Memset speed - (rust) block size 4096	1621.62 MByte/s (±7783.78 MByte/s)	1791.04 MByte/s (±8597.01 MByte/s)	0.91
Memset speed - (rust) block size 1048576	1043.62 MByte/s (±5009.39 MByte/s)	1105.00 MByte/s (±5304.01 MByte/s)	0.94
Memset speed - (rust) block size 16777216	933.81 MByte/s (±4482.28 MByte/s)	954.96 MByte/s (±4583.81 MByte/s)	0.98
alloc_benchmarks Build Time	159.31 s	157.27 s	1.01
alloc_benchmarks File Size	0.97 MB	0.97 MB	1.00
Allocations - Allocation success	2.00 % (±13.86 %)	2.00 % (±13.86 %)	1
Allocations - Deallocation success	1.39 % (±9.66 %)	1.40 % (±9.67 %)	1.00
Allocations - Pre-fail Allocations	2.00 % (±13.86 %)	2.00 % (±13.86 %)	1
Allocations - Average Allocation time	244.33 Ticks (±1693.14 Ticks)	262.62 Ticks (±1819.84 Ticks)	0.93
Allocations - Average Allocation time (no fail)	244.33 Ticks (±1693.14 Ticks)	262.62 Ticks (±1819.84 Ticks)	0.93
Allocations - Average Deallocation time	15.96 Ticks (±110.63 Ticks)	17.05 Ticks (±118.18 Ticks)	0.94
mutex_benchmark Build Time	155.53 s	159.65 s	0.97
mutex_benchmark File Size	1.01 MB	1.01 MB	1.00
Mutex Stress Test Average Time per Iteration - 1 Threads	0.34 ns (±2.36 ns)	0.36 ns (±2.49 ns)	0.94
Mutex Stress Test Average Time per Iteration - 2 Threads	0.36 ns (±2.49 ns)	0.38 ns (±2.63 ns)	0.95

This comment was automatically generated by workflow using github-action-benchmark.